typed api

frontend/package-lock.json

@@ -13,6 +13,8 @@
         "@emotion/styled": "^11.14.1",
         "@mui/icons-material": "^7.3.8",
         "@mui/material": "^7.3.8",
+        "@tanstack/react-query": "^5.100.3",
+        "@tanstack/react-query-devtools": "^5.100.3",
         "axios": "^1.13.5",
         "colorthief": "^2.6.0",
         "i18next": "^24.2.2",
@@ -2400,6 +2402,59 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@tanstack/query-core": {
+      "version": "5.100.3",
+      "resolved": "https://registry.npmjs.org/@tanstack/query-core/-/query-core-5.100.3.tgz",
+      "integrity": "sha512-oMO1imV4qStH+GqddafkI7Q7r2ktPL7/0Mu74W1XEhfHHd3oTIrwP3OOIsbtpnnbe8y/IU+8Lm7Bi2LlMhVdNA==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      }
+    },
+    "node_modules/@tanstack/query-devtools": {
+      "version": "5.100.3",
+      "resolved": "https://registry.npmjs.org/@tanstack/query-devtools/-/query-devtools-5.100.3.tgz",
+      "integrity": "sha512-RfLRX0R9yXYNbtt1OIIN4mObzTT8/jteljgioTMwSKRw6C84xrLjnDRIyIzMhUZxbCJHrgkXiD9IA8owiYFA9A==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      }
+    },
+    "node_modules/@tanstack/react-query": {
+      "version": "5.100.3",
+      "resolved": "https://registry.npmjs.org/@tanstack/react-query/-/react-query-5.100.3.tgz",
+      "integrity": "sha512-8Fgb4vKmBHllRHUjz3ZOwgV0v9b7cxCdN5T0iFQvvWJJVs6xvaxHERO1BclTL03bbK8vZAuXVKN3IeVS1sUdeQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@tanstack/query-core": "5.100.3"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      },
+      "peerDependencies": {
+        "react": "^18 || ^19"
+      }
+    },
+    "node_modules/@tanstack/react-query-devtools": {
+      "version": "5.100.3",
+      "resolved": "https://registry.npmjs.org/@tanstack/react-query-devtools/-/react-query-devtools-5.100.3.tgz",
+      "integrity": "sha512-0h2rTSS8mwLDL5m7d2seKs4Gg3XShGiLXBfSDDYNrbJcxX6AHuiqbg9xBi2bWCNyhq0dGRIMay3sE6xn1SSCOQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@tanstack/query-devtools": "5.100.3"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/tannerlinsley"
+      },
+      "peerDependencies": {
+        "@tanstack/react-query": "^5.100.3",
+        "react": "^18 || ^19"
+      }
+    },
     "node_modules/@testing-library/dom": {
       "version": "10.4.1",
       "resolved": "https://registry.npmjs.org/@testing-library/dom/-/dom-10.4.1.tgz",

frontend/package.json

@@ -20,6 +20,8 @@
     "@emotion/styled": "^11.14.1",
     "@mui/icons-material": "^7.3.8",
     "@mui/material": "^7.3.8",
+    "@tanstack/react-query": "^5.100.3",
+    "@tanstack/react-query-devtools": "^5.100.3",
     "axios": "^1.13.5",
     "colorthief": "^2.6.0",
     "i18next": "^24.2.2",

frontend/src/api/keys.ts

@@ -0,0 +1,16 @@
+/**
+ * Central query-key factory. Keys live here so mutations can invalidate the
+ * right slices without grepping. Convention: scope first, then identifying
+ * params (URL-stable, not the full args object).
+ */
+export const queryKeys = {
+  dashboard: () => ['dashboard'] as const,
+  publicProfile: (username: string) => ['publicProfile', username] as const,
+  publicProfileAll: () => ['publicProfile'] as const,
+  flavors: (params: Record<string, unknown>) => ['flavors', params] as const,
+  flavorsAll: () => ['flavors'] as const,
+  flavorDetail: (id: number | string) => ['flavorDetail', String(id)] as const,
+  activeBanner: (username: string) => ['activeBanner', username] as const,
+  notifications: () => ['notifications'] as const,
+  communityFeed: (params: Record<string, unknown>) => ['communityFeed', params] as const,
+};

frontend/src/api/mutations/useAdminMutations.ts

@@ -0,0 +1,91 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import api from '../../lib/api';
+
+const invalidateAdmin = (qc: ReturnType<typeof useQueryClient>) => {
+  qc.invalidateQueries({ queryKey: ['adminStats'] });
+  qc.invalidateQueries({ queryKey: ['adminUsers'] });
+  qc.invalidateQueries({ queryKey: ['adminJobs'] });
+  qc.invalidateQueries({ queryKey: ['adminConfig'] });
+};
+
+export const useUpdateAdminConfig = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ key, value }: { key: string; value: unknown }) =>
+      api.patch('admin-custom/config/', { [key]: value }),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['adminConfig'] });
+    },
+  });
+};
+
+export const useTriggerJob = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => api.post(`admin-custom/${id}/trigger_job/`),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['adminJobs'] });
+    },
+  });
+};
+
+export const useUpdateJobSchedule = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, data }: { id: number; data: Record<string, unknown> }) =>
+      api.patch(`admin-custom/${id}/update_job_schedule/`, data),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['adminJobs'] });
+    },
+  });
+};
+
+export const useActivateBanner = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => api.post(`banners/${id}/activate/`),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['banners'] });
+      qc.invalidateQueries({ queryKey: ['activeBanner'] });
+    },
+  });
+};
+
+export const useToggleBannerEnabled = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => api.post(`banners/${id}/toggle_enabled/`),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: ['banners'] });
+    },
+  });
+};
+
+export const useSendTestEmail = () =>
+  useMutation({
+    mutationFn: () => api.post('admin-custom/send_test_email/'),
+  });
+
+export const useToggleUserActive = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, isActive }: { id: string | number; isActive: boolean }) =>
+      api.patch(`admin-custom/${id}/user_detail/`, { is_active: !isActive }),
+    onSuccess: (_, vars) => {
+      qc.invalidateQueries({ queryKey: ['adminUserDetail', String(vars.id)] });
+      qc.invalidateQueries({ queryKey: ['adminUsers'] });
+    },
+  });
+};
+
+export const useDeleteUser = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (id: string | number) => api.delete(`admin-custom/${id}/user_detail/`),
+    onSuccess: (_, id) => {
+      qc.invalidateQueries({ queryKey: ['adminUserDetail', String(id)] });
+      qc.invalidateQueries({ queryKey: ['adminUsers'] });
+      invalidateAdmin(qc);
+    },
+  });
+};

frontend/src/api/mutations/useFlavorMutations.ts

@@ -0,0 +1,25 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+export interface UpdateFlavorInput {
+  id: string | number;
+  data: Record<string, unknown> | FormData;
+  isFormData?: boolean;
+}
+
+export const useUpdateFlavor = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, data, isFormData }: UpdateFlavorInput) =>
+      api.patch(
+        `flavors/${id}/`,
+        data,
+        isFormData ? { headers: { 'Content-Type': 'multipart/form-data' } } : undefined,
+      ),
+    onSuccess: (_, vars) => {
+      qc.invalidateQueries({ queryKey: queryKeys.flavorDetail(vars.id) });
+      qc.invalidateQueries({ queryKey: queryKeys.flavorsAll() });
+    },
+  });
+};

frontend/src/api/mutations/useMarkNotifications.ts

@@ -0,0 +1,28 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+import type { Notification } from '../queries/useNotifications';
+
+export const useMarkAllNotificationsRead = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: () => api.post('notifications/mark_all_read/'),
+    onSuccess: () => {
+      qc.setQueryData<Notification[]>(queryKeys.notifications(), (old) =>
+        old?.map((n) => ({ ...n, is_read: true })),
+      );
+    },
+  });
+};
+
+export const useMarkNotificationRead = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => api.post(`notifications/${id}/mark_read/`),
+    onSuccess: (_, id) => {
+      qc.setQueryData<Notification[]>(queryKeys.notifications(), (old) =>
+        old?.map((n) => (n.id === id ? { ...n, is_read: true } : n)),
+      );
+    },
+  });
+};

frontend/src/api/mutations/useRatingMutations.ts

@@ -0,0 +1,70 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+const invalidateRatingViews = (qc: ReturnType<typeof useQueryClient>) => {
+  qc.invalidateQueries({ queryKey: queryKeys.dashboard() });
+  qc.invalidateQueries({ queryKey: queryKeys.publicProfileAll() });
+  qc.invalidateQueries({ queryKey: queryKeys.flavorsAll() });
+  qc.invalidateQueries({ queryKey: ['flavorDetail'] });
+  qc.invalidateQueries({ queryKey: ['communityFeed'] });
+};
+
+export interface UpdateRatingInput {
+  id: number;
+  score: number;
+  comment: string | null;
+}
+
+export const useUpdateRating = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ id, score, comment }: UpdateRatingInput) =>
+      api.patch(`ratings/${id}/`, { score, comment }),
+    onSuccess: () => invalidateRatingViews(qc),
+  });
+};
+
+export const useDeleteRating = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (id: number) => api.delete(`ratings/${id}/`),
+    onSuccess: () => invalidateRatingViews(qc),
+  });
+};
+
+export interface CreateRatingInput {
+  flavor: number;
+  score: number;
+  comment?: string | null;
+}
+
+export const useCreateRating = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (input: CreateRatingInput) => api.post('ratings/', input),
+    onSuccess: () => invalidateRatingViews(qc),
+  });
+};
+
+export interface ReplyInput {
+  ratingId: number;
+  text: string;
+}
+
+export const useCreateReply = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ ratingId, text }: ReplyInput) =>
+      api.post(`ratings/${ratingId}/reply/`, { text }),
+    onSuccess: () => invalidateRatingViews(qc),
+  });
+};
+
+export const useDeleteReply = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (replyId: number) => api.delete(`replies/${replyId}/`),
+    onSuccess: () => invalidateRatingViews(qc),
+  });
+};

frontend/src/api/mutations/useReplyMutations.ts

@@ -0,0 +1,20 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+const invalidateRatingViews = (qc: ReturnType<typeof useQueryClient>) => {
+  qc.invalidateQueries({ queryKey: queryKeys.dashboard() });
+  qc.invalidateQueries({ queryKey: queryKeys.publicProfileAll() });
+  qc.invalidateQueries({ queryKey: queryKeys.flavorsAll() });
+  qc.invalidateQueries({ queryKey: ['flavorDetail'] });
+  qc.invalidateQueries({ queryKey: ['communityFeed'] });
+};
+
+export const useUpdateReply = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ replyId, text }: { replyId: number; text: string }) =>
+      api.patch(`replies/${replyId}/`, { text }),
+    onSuccess: () => invalidateRatingViews(qc),
+  });
+};

frontend/src/api/mutations/useSettingsMutations.ts

@@ -0,0 +1,62 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import api from '../../lib/api';
+
+const invalidateMe = (qc: ReturnType<typeof useQueryClient>) => {
+  qc.invalidateQueries({ queryKey: ['me'] });
+  qc.invalidateQueries({ queryKey: ['currentUserLite'] });
+};
+
+export const useUpdateAvatar = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (file: File) => {
+      const formData = new FormData();
+      formData.append('avatar', file);
+      return api.post<{ avatar: string }>('users/update_avatar/', formData, {
+        headers: { 'Content-Type': 'multipart/form-data' },
+      });
+    },
+    onSuccess: () => invalidateMe(qc),
+  });
+};
+
+export const useUpdatePreferences = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (prefs: Record<string, unknown>) => api.patch('users/update_preferences/', prefs),
+    onSuccess: () => invalidateMe(qc),
+  });
+};
+
+export const useUpdateProfile = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (input: { username: string; email: string }) =>
+      api.patch<{ message?: string }>('users/update_profile/', input),
+    onSuccess: () => invalidateMe(qc),
+  });
+};
+
+export const useConfirmEmail = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (code: string) => api.post<{ email: string }>('users/confirm_email/', { code }),
+    onSuccess: () => invalidateMe(qc),
+  });
+};
+
+export const useChangePassword = () =>
+  useMutation({
+    mutationFn: (input: { old_password: string; new_password: string }) =>
+      api.post('users/change_password/', input),
+  });
+
+export const useRequestAccountDeletion = () =>
+  useMutation({
+    mutationFn: () => api.post('users/request_account_deletion/'),
+  });
+
+export const useConfirmAccountDeletion = () =>
+  useMutation({
+    mutationFn: (code: string) => api.post('users/confirm_account_deletion/', { code }),
+  });

frontend/src/api/mutations/useSocialMutations.ts

@@ -0,0 +1,36 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+export const useFollowToggle = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ userId, currentlyFollowing }: { userId: number; currentlyFollowing: boolean }) =>
+      api.post(`users/${userId}/${currentlyFollowing ? 'unfollow' : 'follow'}/`),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: queryKeys.publicProfileAll() });
+    },
+  });
+};
+
+export const useAddProfileComment = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ userId, text }: { userId: number; text: string }) =>
+      api.post(`users/${userId}/add_comment/`, { text }),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: queryKeys.publicProfileAll() });
+    },
+  });
+};
+
+export const useDeleteProfileComment = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ userId, commentId }: { userId: number; commentId: number }) =>
+      api.delete(`users/${userId}/delete_comment/${commentId}/`),
+    onSuccess: () => {
+      qc.invalidateQueries({ queryKey: queryKeys.publicProfileAll() });
+    },
+  });
+};

frontend/src/api/mutations/useTicketMutations.ts

@@ -0,0 +1,40 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import api from '../../lib/api';
+
+const invalidateTickets = (qc: ReturnType<typeof useQueryClient>) => {
+  qc.invalidateQueries({ queryKey: ['tickets'] });
+};
+
+export const useCreateTicket = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (input: { subject: string; description: string }) => api.post('tickets/', input),
+    onSuccess: () => invalidateTickets(qc),
+  });
+};
+
+export const useAddTicketMessage = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ ticketId, text }: { ticketId: number; text: string }) =>
+      api.post(`tickets/${ticketId}/add_message/`, { text }),
+    onSuccess: () => invalidateTickets(qc),
+  });
+};
+
+export const useUpdateTicketStatus = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: ({ ticketId, status }: { ticketId: number; status: string }) =>
+      api.post(`tickets/${ticketId}/update_status/`, { status }),
+    onSuccess: () => invalidateTickets(qc),
+  });
+};
+
+export const useDeleteTicket = () => {
+  const qc = useQueryClient();
+  return useMutation({
+    mutationFn: (ticketId: number) => api.delete(`tickets/${ticketId}/`),
+    onSuccess: () => invalidateTickets(qc),
+  });
+};

frontend/src/api/queries/useActiveBanner.ts

@@ -0,0 +1,15 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+import type { BannerConfig } from '../types';
+
+export const useActiveBanner = (username: string) =>
+  useQuery({
+    queryKey: queryKeys.activeBanner(username),
+    queryFn: async () => {
+      const res = await api.get<BannerConfig>('banners/active/', { params: { username } });
+      return res.data;
+    },
+    enabled: !!username,
+    staleTime: 5 * 60_000,
+  });

frontend/src/api/queries/useAdminQueries.ts

@@ -0,0 +1,106 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+
+export interface AdminRating {
+  id: number;
+  user: string;
+  score: number;
+  comment: string | null;
+  flavor_name: string;
+}
+
+export interface AdminReply {
+  id: number;
+  user: string;
+  text: string;
+}
+
+export const useAdminRating = (id: string | undefined) =>
+  useQuery({
+    queryKey: ['adminRating', id],
+    queryFn: async () => {
+      const res = await api.get<AdminRating>(`ratings/${id}/`);
+      return res.data;
+    },
+    enabled: !!id,
+  });
+
+export const useAdminReply = (id: string | undefined) =>
+  useQuery({
+    queryKey: ['adminReply', id],
+    queryFn: async () => {
+      const res = await api.get<AdminReply>(`replies/${id}/`);
+      return res.data;
+    },
+    enabled: !!id,
+  });
+
+export interface AdminStats {
+  [key: string]: unknown;
+}
+
+export interface AdminUserSummary {
+  id: number;
+  username: string;
+  email?: string;
+  is_active?: boolean;
+  is_superuser?: boolean;
+  date_joined?: string;
+  rating_count?: number;
+}
+
+export interface AdminJob {
+  id: number;
+  name: string;
+  status?: string;
+  schedule?: unknown;
+  next_run?: string | null;
+}
+
+export interface AdminConfig {
+  [key: string]: unknown;
+}
+
+export const useAdminStats = () =>
+  useQuery({
+    queryKey: ['adminStats'],
+    queryFn: async () => (await api.get<AdminStats>('admin-custom/stats/')).data,
+  });
+
+export const useAdminUsers = () =>
+  useQuery({
+    queryKey: ['adminUsers'],
+    queryFn: async () => (await api.get<AdminUserSummary[]>('admin-custom/users/')).data,
+  });
+
+export const useAdminJobs = () =>
+  useQuery({
+    queryKey: ['adminJobs'],
+    queryFn: async () => (await api.get<AdminJob[]>('admin-custom/jobs/')).data,
+    refetchInterval: 30_000,
+  });
+
+export const useAdminConfig = () =>
+  useQuery({
+    queryKey: ['adminConfig'],
+    queryFn: async () => (await api.get<AdminConfig>('admin-custom/config/')).data,
+  });
+
+export interface AdminUserDetailData {
+  id: number;
+  username: string;
+  email?: string;
+  is_active: boolean;
+  is_superuser?: boolean;
+  date_joined?: string;
+  ratings?: unknown[];
+  [key: string]: unknown;
+}
+
+export const useAdminUserDetail = (id: string | undefined) =>
+  useQuery({
+    queryKey: ['adminUserDetail', id],
+    queryFn: async () =>
+      (await api.get<AdminUserDetailData>(`admin-custom/${id}/user_detail/`)).data,
+    enabled: !!id,
+  });

frontend/src/api/queries/useBanners.ts

@@ -0,0 +1,21 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+
+export interface BannerListItem {
+  id: number;
+  name: string;
+  slug: string;
+  description?: string;
+  is_active?: boolean;
+  is_enabled?: boolean;
+}
+
+export const useBannersList = () =>
+  useQuery({
+    queryKey: ['banners'],
+    queryFn: async () => {
+      const res = await api.get<BannerListItem[] | { results: BannerListItem[] }>('banners/');
+      return Array.isArray(res.data) ? res.data : (res.data.results ?? []);
+    },
+    staleTime: 5 * 60_000,
+  });

frontend/src/api/queries/useCategoryFlavors.ts

@@ -0,0 +1,17 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+import type { FlavorListItem } from './useFlavorsList';
+
+export const useCategoryFlavors = (slug: string | undefined) =>
+  useQuery({
+    queryKey: queryKeys.flavors({ category: slug ?? '' }),
+    queryFn: async () => {
+      const res = await api.get<FlavorListItem[] | { results: FlavorListItem[] }>(
+        `flavors/?category__slug=${slug}`,
+      );
+      const data = res.data;
+      return Array.isArray(data) ? data : (data.results ?? []);
+    },
+    enabled: !!slug,
+  });

frontend/src/api/queries/useCommunityFeed.ts

@@ -0,0 +1,81 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+export interface FeedReply {
+  id: number;
+  user: string;
+  text: string;
+  created_at: string;
+}
+
+export interface FeedRating {
+  id: number;
+  user: string;
+  user_id: number;
+  user_avatar: string | null;
+  flavor: number;
+  flavor_name: string;
+  flavor_image: string | null;
+  category_name: string;
+  category_slug: string;
+  score: number;
+  comment: string;
+  created_at: string;
+  replies: FeedReply[];
+}
+
+export interface FollowedUser {
+  id: number;
+  username: string;
+  avatar: string | null;
+}
+
+export interface FollowedTopFlavor {
+  id: number;
+  name: string;
+  image_url: string | null;
+  average_rating: number;
+}
+
+export interface CommunityFeedResult {
+  ratings: FeedRating[];
+  totalPages: number;
+}
+
+export const useCommunityFeed = (page: number) =>
+  useQuery({
+    queryKey: queryKeys.communityFeed({ page }),
+    queryFn: async (): Promise<CommunityFeedResult> => {
+      const res = await api.get<{ results?: FeedRating[]; count?: number } | FeedRating[]>(
+        `ratings/feed/?page=${page}`,
+      );
+      if (Array.isArray(res.data)) {
+        return { ratings: res.data, totalPages: 1 };
+      }
+      const ratings = res.data.results ?? [];
+      const totalPages = Math.ceil((res.data.count ?? 0) / 10) || 1;
+      return { ratings, totalPages };
+    },
+    placeholderData: (prev) => prev,
+  });
+
+export const useFollowingList = () =>
+  useQuery({
+    queryKey: ['followingList'],
+    queryFn: async () => {
+      const res = await api.get<FollowedUser[] | { results: FollowedUser[] }>(
+        'users/following_list/',
+      );
+      return Array.isArray(res.data) ? res.data : (res.data.results ?? []);
+    },
+  });
+
+export const useFollowedTopFlavors = () =>
+  useQuery({
+    queryKey: ['followedTopFlavors'],
+    queryFn: async () => {
+      const res = await api.get<FollowedTopFlavor[]>('flavors/followed_top/');
+      return Array.isArray(res.data) ? res.data.slice(0, 5) : [];
+    },
+  });

frontend/src/api/queries/useCurrentUserLite.ts

@@ -0,0 +1,26 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+
+export interface CurrentUserLite {
+  username: string;
+  is_superuser: boolean;
+}
+
+/**
+ * Reads /users/me/ for cases where we need a quick "is this me / am I admin"
+ * check outside of AuthContext. Disabled when not authenticated.
+ */
+export const useCurrentUserLite = () =>
+  useQuery({
+    queryKey: ['currentUserLite'],
+    queryFn: async () => {
+      const res = await api.get<CurrentUserLite>('users/me/', {
+        // Stale access tokens are common; never bounce a public page reader
+        // to /login because of a background "am I logged in?" check.
+        ...({ skipAuthRedirect: true } as object),
+      });
+      return res.data;
+    },
+    enabled: !!localStorage.getItem('access'),
+    staleTime: 60_000,
+  });

frontend/src/api/queries/useDashboard.ts

@@ -0,0 +1,13 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+import type { DashboardData } from '../types';
+
+export const useDashboard = () =>
+  useQuery({
+    queryKey: queryKeys.dashboard(),
+    queryFn: async () => {
+      const res = await api.get<DashboardData>('users/dashboard/');
+      return res.data;
+    },
+  });

frontend/src/api/queries/useFlavorDetail.ts

@@ -0,0 +1,45 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+export interface FlavorDetailReply {
+  id: number;
+  user: string;
+  text: string;
+  created_at: string;
+}
+
+export interface FlavorDetailRating {
+  id: number;
+  user: string;
+  user_avatar: string | null;
+  score: number;
+  comment: string;
+  created_at: string;
+  replies: FlavorDetailReply[];
+}
+
+export interface FlavorDetailData {
+  id: number;
+  name: string;
+  category_name: string;
+  category_slug: string;
+  description: string;
+  average_rating: number;
+  user_rating: number | null;
+  ratings: FlavorDetailRating[];
+  image_url: string | null;
+  is_available: boolean;
+  is_legacy: boolean;
+  shop_url: string | null;
+}
+
+export const useFlavorDetail = (id: string | undefined) =>
+  useQuery({
+    queryKey: queryKeys.flavorDetail(id ?? ''),
+    queryFn: async () => {
+      const res = await api.get<FlavorDetailData>(`flavors/${id}/`);
+      return res.data;
+    },
+    enabled: !!id,
+  });

frontend/src/api/queries/useFlavorsList.ts

@@ -0,0 +1,50 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+export interface FlavorListRating {
+  id: number;
+  user: string;
+  score: number;
+  comment: string;
+  created_at: string;
+}
+
+export interface FlavorListItem {
+  id: number;
+  name: string;
+  category_name: string;
+  description: string;
+  average_rating: number;
+  user_rating: number | null;
+  ratings: FlavorListRating[];
+  image_url: string | null;
+  is_available: boolean;
+  is_legacy?: boolean;
+  shop_url: string | null;
+}
+
+export interface CategoryItem {
+  id: number;
+  name: string;
+  slug: string;
+}
+
+export const useFlavorsList = () =>
+  useQuery({
+    queryKey: queryKeys.flavors({ scope: 'all' }),
+    queryFn: async () => {
+      const res = await api.get<FlavorListItem[]>('flavors/');
+      return res.data;
+    },
+  });
+
+export const useCategories = () =>
+  useQuery({
+    queryKey: ['categories'],
+    queryFn: async () => {
+      const res = await api.get<CategoryItem[]>('categories/');
+      return res.data;
+    },
+    staleTime: 5 * 60_000,
+  });

frontend/src/api/queries/useMainPageQueries.ts

@@ -0,0 +1,98 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+export interface MainPageRating {
+  id: number;
+  user: string;
+  user_avatar: string | null;
+  flavor: number;
+  flavor_name: string;
+  flavor_image: string | null;
+  flavor_category?: string;
+  score: number;
+  comment: string;
+  created_at: string;
+  replies?: unknown[];
+}
+
+export interface MainPageFlavor {
+  id: number;
+  name: string;
+  category_name: string;
+  description: string;
+  average_rating: number;
+  image_url: string | null;
+  is_available: boolean;
+  is_legacy: boolean;
+  ratings: MainPageRating[];
+}
+
+export interface MainPageReview {
+  id: number;
+  user: string;
+  user_avatar: string | null;
+  flavor_name: string;
+  flavor_image: string | null;
+  score: number;
+  comment: string;
+  created_at: string;
+  flavor: number;
+}
+
+const unwrap = <T>(data: T[] | { results?: T[] }): T[] =>
+  Array.isArray(data) ? data : (data.results ?? []);
+
+export const useTopFlavors = (categorySlug: string | null = null) =>
+  useQuery({
+    queryKey: queryKeys.flavors({ scope: 'top', category: categorySlug ?? '' }),
+    queryFn: async () => {
+      const url = categorySlug ? `flavors/top/?category=${categorySlug}` : 'flavors/top/';
+      const res = await api.get<MainPageFlavor[] | { results: MainPageFlavor[] }>(url);
+      return unwrap(res.data);
+    },
+  });
+
+export const useNewestFlavors = () =>
+  useQuery({
+    queryKey: queryKeys.flavors({ scope: 'newest' }),
+    queryFn: async () => {
+      const res = await api.get<MainPageFlavor[] | { results: MainPageFlavor[] }>(
+        'flavors/newest/',
+      );
+      return unwrap(res.data);
+    },
+  });
+
+export const useRecentReviews = () =>
+  useQuery({
+    queryKey: ['recentReviews'],
+    queryFn: async () => {
+      const res = await api.get<MainPageReview[] | { results: MainPageReview[] }>(
+        'ratings/recent/',
+      );
+      return unwrap(res.data);
+    },
+  });
+
+export const useFollowingFeedTop = (enabled: boolean) =>
+  useQuery({
+    queryKey: ['followingFeedTop'],
+    queryFn: async () => {
+      const res = await api.get<MainPageRating[] | { results: MainPageRating[] }>('ratings/feed/');
+      return unwrap(res.data).slice(0, 6);
+    },
+    enabled,
+  });
+
+export const useFlavorSearch = (query: string) =>
+  useQuery({
+    queryKey: queryKeys.flavors({ scope: 'search', q: query }),
+    queryFn: async () => {
+      const res = await api.get<MainPageFlavor[] | { results: MainPageFlavor[] }>(
+        `flavors/?search=${encodeURIComponent(query)}`,
+      );
+      return unwrap(res.data);
+    },
+    enabled: !!query,
+  });

frontend/src/api/queries/useMe.ts

@@ -0,0 +1,25 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+
+export interface CurrentUserFull {
+  id: number;
+  username: string;
+  email: string;
+  avatar: string | null;
+  language?: string;
+  selected_banner?: number | null;
+  is_superuser?: boolean;
+  unread_notifications_count?: number;
+}
+
+export const useMe = () =>
+  useQuery({
+    queryKey: ['me'],
+    queryFn: async () => {
+      const res = await api.get<CurrentUserFull>('users/me/', {
+        ...({ skipAuthRedirect: true } as object),
+      });
+      return res.data;
+    },
+    enabled: !!localStorage.getItem('access'),
+  });

frontend/src/api/queries/useNotifications.ts

@@ -0,0 +1,38 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+export interface Notification {
+  id: number;
+  actor_username: string;
+  actor_avatar: string | null;
+  notification_type:
+    | 'reply'
+    | 'mention'
+    | 'follow'
+    | 'ticket_new'
+    | 'ticket_reply'
+    | 'profile_comment';
+  rating: number | null;
+  reply: number | null;
+  is_read: boolean;
+  created_at: string;
+  flavor_name: string | null;
+  flavor_id: number | null;
+  profile_owner_username: string | null;
+}
+
+export const useNotificationsQuery = (enabled: boolean) =>
+  useQuery({
+    queryKey: queryKeys.notifications(),
+    queryFn: async () => {
+      const res = await api.get('notifications/', {
+        ...({ skipAuthRedirect: true } as object),
+      });
+      const data = Array.isArray(res.data) ? res.data : res.data.results || [];
+      return data as Notification[];
+    },
+    enabled,
+    refetchInterval: 60_000,
+    staleTime: 30_000,
+  });

frontend/src/api/queries/usePublicProfile.ts

@@ -0,0 +1,53 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+import { queryKeys } from '../keys';
+
+export interface PublicProfileRating {
+  id: number;
+  flavor: number;
+  flavor_name: string;
+  flavor_image: string | null;
+  category_name: string;
+  score: number;
+  comment: string;
+  created_at: string;
+}
+
+export interface ProfileComment {
+  id: number;
+  author_username: string;
+  author_avatar: string | null;
+  text: string;
+  created_at: string;
+}
+
+export interface MiniUser {
+  id: number;
+  username: string;
+  avatar: string | null;
+  is_following?: boolean;
+}
+
+export interface ProfileData {
+  id: number;
+  username: string;
+  theme: string;
+  avatar: string | null;
+  following_count: number;
+  followers_count: number;
+  is_following: boolean;
+  ratings: PublicProfileRating[];
+  comments: ProfileComment[];
+  followers: MiniUser[];
+  following: MiniUser[];
+}
+
+export const usePublicProfile = (username: string | undefined) =>
+  useQuery({
+    queryKey: queryKeys.publicProfile(username ?? ''),
+    queryFn: async () => {
+      const res = await api.get<ProfileData>(`users/profile/${username}/`);
+      return res.data;
+    },
+    enabled: !!username,
+  });

frontend/src/api/queries/useTickets.ts

@@ -0,0 +1,34 @@
+import { useQuery } from '@tanstack/react-query';
+import api from '../../lib/api';
+
+export interface TicketMessage {
+  id: number;
+  username: string;
+  text: string;
+  created_at: string;
+  is_admin: boolean;
+}
+
+export type TicketStatus = 'open' | 'in_progress' | 'resolved' | 'closed';
+
+export interface Ticket {
+  id: number;
+  user: number;
+  username: string;
+  user_email: string;
+  user_avatar: string | null;
+  subject: string;
+  description: string;
+  status: TicketStatus;
+  created_at: string;
+  messages: TicketMessage[];
+}
+
+export const useTickets = () =>
+  useQuery({
+    queryKey: ['tickets'],
+    queryFn: async () => {
+      const res = await api.get<Ticket[] | { results: Ticket[] }>('tickets/');
+      return Array.isArray(res.data) ? res.data : (res.data.results ?? []);
+    },
+  });

frontend/src/api/types.ts

@@ -0,0 +1,60 @@
+export interface Reply {
+  id: number;
+  user: string;
+  text: string;
+  created_at: string;
+}
+
+export interface RatedItem {
+  id: number;
+  flavor: number;
+  flavor_name: string;
+  flavor_image: string | null;
+  category_name: string;
+  category_slug: string;
+  score: number;
+  comment: string | null;
+  created_at: string;
+  replies: Reply[];
+  is_legacy?: boolean;
+  is_available?: boolean;
+}
+
+export interface MissingFlavor {
+  id: number;
+  name: string;
+  image_url: string | null;
+  category_name: string;
+  category_slug: string;
+  average_rating: number;
+  followed_average_rating?: number;
+  is_legacy?: boolean;
+  is_available?: boolean;
+}
+
+export interface DashboardData {
+  user: { username: string; avatar: string | null };
+  rated_count: number;
+  missing_count: number;
+  missing_flavors: MissingFlavor[];
+  my_ratings: RatedItem[];
+}
+
+export interface BannerConfig {
+  id: number;
+  name: string;
+  slug: string;
+  description: string;
+  is_active: boolean;
+  settings: Record<string, unknown> | null;
+}
+
+export interface NotificationItem {
+  id: number;
+  verb: string;
+  actor: string;
+  target: string | null;
+  url: string | null;
+  is_read: boolean;
+  created_at: string;
+}

frontend/src/app/providers.tsx

@@ -1,19 +1,25 @@
 import type { ReactNode } from 'react';
+import { QueryClientProvider } from '@tanstack/react-query';
+import { ReactQueryDevtools } from '@tanstack/react-query-devtools';
 import { ThemeProvider } from '../contexts/ThemeContext';
 import { AuthProvider } from '../contexts/AuthContext';
 import { NotificationProvider } from '../contexts/NotificationContext';
 import { ToastProvider } from '../contexts/ToastContext';
 import { ConfirmProvider } from '../contexts/ConfirmContext';
+import { queryClient } from './queryClient';
 import '../i18n';
 
 export const AppProviders = ({ children }: { children: ReactNode }) => (
-  <ThemeProvider>
-    <AuthProvider>
-      <NotificationProvider>
-        <ToastProvider>
-          <ConfirmProvider>{children}</ConfirmProvider>
-        </ToastProvider>
-      </NotificationProvider>
-    </AuthProvider>
-  </ThemeProvider>
+  <QueryClientProvider client={queryClient}>
+    <ThemeProvider>
+      <AuthProvider>
+        <NotificationProvider>
+          <ToastProvider>
+            <ConfirmProvider>{children}</ConfirmProvider>
+          </ToastProvider>
+        </NotificationProvider>
+      </AuthProvider>
+    </ThemeProvider>
+    {import.meta.env.DEV && <ReactQueryDevtools initialIsOpen={false} />}
+  </QueryClientProvider>
 );

frontend/src/app/queryClient.ts

@@ -0,0 +1,18 @@
+import { QueryClient } from '@tanstack/react-query';
+import type { AxiosError } from 'axios';
+
+export const queryClient = new QueryClient({
+  defaultOptions: {
+    queries: {
+      staleTime: 30_000,
+      gcTime: 5 * 60_000,
+      refetchOnWindowFocus: true,
+      retry: (failureCount, error) => {
+        const status = (error as AxiosError | undefined)?.response?.status;
+        if (status === 401 || status === 403 || status === 404) return false;
+        return failureCount < 1;
+      },
+    },
+    mutations: { retry: 0 },
+  },
+});

frontend/src/components/DynamicBanner.tsx

@@ -1,21 +1,16 @@
-import React, { useEffect, useState } from 'react';
-import api from '../lib/api';
-import GenerativeBanner from './GenerativeBanner';
-import NebulaBanner from './NebulaBanner';
-import FirefliesBanner from './FirefliesBanner';
-import HextechBanner from './HextechBanner';
-import HextechCorruptionBanner from './HextechCorruptionBanner';
-import GenerativeFlowBanner from './GenerativeFlowBanner';
-import { BannerPerformanceWrapper } from './BannerPerformanceWrapper';
-
-interface Banner {
-  id: number;
-  name: string;
-  slug: string;
-  description: string;
-  is_active: boolean;
-  settings: any;
-}
+import React from 'react';
+import { useActiveBanner } from '../api/queries/useActiveBanner';
+import type { BannerConfig } from '../api/types';
+import {
+  BannerPerformanceWrapper,
+  FirefliesBanner,
+  GenerativeBanner,
+  GenerativeFlowBanner,
+  HextechBanner,
+  HextechCorruptionBanner,
+  MatrixBanner,
+  NebulaBanner,
+} from './banners';
 
 interface DynamicBannerProps {
   username: string;
@@ -24,90 +19,29 @@ interface DynamicBannerProps {
   followersCount: number;
 }
 
-const MatrixBanner: React.FC<DynamicBannerProps & { settings: Banner['settings'] | null }> = ({
-  username,
-  settings,
-}) => {
-  const [durations] = useState(() => Array.from({ length: 20 }, () => 2 + Math.random() * 3));
-  return (
-    <div
-      style={{
-        position: 'absolute',
-        top: 0,
-        left: 0,
-        width: '100%',
-        height: '100%',
-        background: 'rgba(0,0,0,0.8)',
-        color: '#0f0',
-        display: 'flex',
-        alignItems: 'center',
-        justifyContent: 'center',
-        fontFamily: 'monospace',
-        zIndex: 0,
-        overflow: 'hidden',
-        opacity: settings?.opacity || 0.5,
-      }}
-    >
-      <div>
-        {durations.map((dur, i) => (
-          <div key={i} style={{ animation: `matrixFall ${dur}s linear infinite` }}>
-            {username.split('').map((char, j) => (
-              <span key={j} style={{ display: 'block' }}>
-                {char}
-              </span>
-            ))}
-          </div>
-        ))}
-      </div>
-      <style>
-        {`
-                    @keyframes matrixFall {
-                        0% { transform: translateY(-100%); }
-                        100% { transform: translateY(100%); }
-                    }
-                `}
-      </style>
-    </div>
-  );
-};
-
-const pickBanner = (banner: Banner | null, props: DynamicBannerProps): React.ReactElement => {
+const pickBanner = (
+  banner: BannerConfig | null | undefined,
+  props: DynamicBannerProps,
+): React.ReactElement => {
+  const settings = banner?.settings ?? undefined;
   if (!banner || banner.slug === 'generative-web') {
-    return <GenerativeBanner {...props} settings={banner?.settings} />;
+    return <GenerativeBanner {...props} settings={settings} />;
   }
-  if (banner.slug === 'matrix') return <MatrixBanner {...props} settings={banner.settings} />;
-  if (banner.slug === 'nebula') return <NebulaBanner {...props} settings={banner.settings} />;
-  if (banner.slug === 'fireflies') return <FirefliesBanner {...props} settings={banner.settings} />;
-  if (banner.slug === 'hextech') return <HextechBanner {...props} settings={banner.settings} />;
+  if (banner.slug === 'matrix') return <MatrixBanner {...props} settings={settings} />;
+  if (banner.slug === 'nebula') return <NebulaBanner {...props} settings={settings} />;
+  if (banner.slug === 'fireflies') return <FirefliesBanner {...props} settings={settings} />;
+  if (banner.slug === 'hextech') return <HextechBanner {...props} settings={settings} />;
   if (banner.slug === 'hextech-corruption')
-    return <HextechCorruptionBanner {...props} settings={banner.settings} />;
+    return <HextechCorruptionBanner {...props} settings={settings} />;
   if (banner.slug === 'generative-flow')
-    return <GenerativeFlowBanner {...props} settings={banner.settings} />;
+    return <GenerativeFlowBanner {...props} settings={settings} />;
   return <GenerativeBanner {...props} />;
 };
 
 const DynamicBanner: React.FC<DynamicBannerProps> = (props) => {
-  const [banner, setBanner] = useState<Banner | null>(null);
-  const [loading, setLoading] = useState(true);
+  const { data: banner, isLoading } = useActiveBanner(props.username);
 
-  useEffect(() => {
-    const fetchActiveBanner = async () => {
-      try {
-        const res = await api.get('banners/active/', {
-          params: { username: props.username },
-        });
-        setBanner(res.data);
-      } catch (err) {
-        console.error('Failed to fetch active banner:', err);
-      } finally {
-        setLoading(false);
-      }
-    };
-
-    fetchActiveBanner();
-  }, [props.username]);
-
-  if (loading) return null;
+  if (isLoading) return null;
 
   return <BannerPerformanceWrapper>{pickBanner(banner, props)}</BannerPerformanceWrapper>;
 };

frontend/src/components/GenerativeBanner.tsx

@@ -1,336 +0,0 @@
-import React, { useRef, useEffect } from 'react';
-import { alpha, useTheme } from '@mui/material';
-import { useBannerFrameGate } from './BannerPerformanceWrapper';
-
-interface GenerativeBannerProps {
-  username: string;
-  palette: string[];
-  ratingsCount: number;
-  followersCount: number;
-  settings?: {
-    nodeCountBase?: number;
-    connectionDist?: number;
-    speed?: number;
-    opacity?: number;
-  };
-}
-
-const GenerativeBanner: React.FC<GenerativeBannerProps> = ({
-  username,
-  palette,
-  ratingsCount,
-  followersCount,
-  settings,
-}) => {
-  const canvasRef = useRef<HTMLCanvasElement>(null);
-  const theme = useTheme();
-  const gate = useBannerFrameGate();
-
-  const nodeCountBase = settings?.nodeCountBase ?? 60;
-  const connectionDist = settings?.connectionDist ?? 140;
-  const speed = settings?.speed ?? 0.005;
-  const globalOpacity = settings?.opacity ?? 0.35;
-
-  const getSeed = (str: string) => {
-    let hash = 0;
-    for (let i = 0; i < str.length; i++) {
-      hash = str.charCodeAt(i) + ((hash << 5) - hash);
-    }
-    return hash;
-  };
-
-  useEffect(() => {
-    const canvas = canvasRef.current;
-    if (!canvas) return;
-
-    const ctx = canvas.getContext('2d', { alpha: true });
-    if (!ctx) return;
-
-    let animationFrameId: number;
-    const seed = getSeed(username);
-
-    // Configuration - High density for "complex web" feel
-    const nodeCount = Math.min(nodeCountBase + Math.floor(ratingsCount * 1.5), 120);
-    const colors =
-      palette.length >= 2
-        ? palette
-        : [theme.palette.primary.main, theme.palette.secondary.main, theme.palette.info.main];
-
-    interface Node {
-      x: number;
-      y: number;
-      vx: number;
-      vy: number;
-      baseX: number;
-      baseY: number;
-      color: string;
-      size: number;
-    }
-
-    let nodes: Node[] = [];
-
-    const pseudoRandom = (offset: number) => {
-      const x = Math.sin(seed + offset) * 10000;
-      return x - Math.floor(x);
-    };
-
-    const initNodes = (width: number, height: number) => {
-      const newNodes = [];
-      for (let i = 0; i < nodeCount; i++) {
-        const bx = pseudoRandom(i) * width;
-        const by = pseudoRandom(i + 100) * height;
-        newNodes.push({
-          x: bx,
-          y: by,
-          baseX: bx,
-          baseY: by,
-          vx: 0,
-          vy: 0,
-          color: colors[i % colors.length],
-          size: 1 + pseudoRandom(i + 200) * 3,
-        });
-      }
-      return newNodes;
-    };
-
-    const resize = () => {
-      const parent = canvas.parentElement;
-      if (parent) {
-        const rect = parent.getBoundingClientRect();
-        const dpr = window.devicePixelRatio || 1;
-        canvas.width = rect.width * dpr;
-        canvas.height = rect.height * dpr;
-        ctx.scale(dpr, dpr);
-        canvas.style.width = `${rect.width}px`;
-        canvas.style.height = `${rect.height}px`;
-        nodes = initNodes(rect.width, rect.height);
-      }
-    };
-
-    const resizeObserver = new ResizeObserver(() => resize());
-    if (canvas.parentElement) resizeObserver.observe(canvas.parentElement);
-    resize();
-
-    const mouse = { x: -1000, y: -1000, down: false };
-
-    const updateMouseFromCoords = (clientX: number, clientY: number) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = clientX - rect.left;
-      const y = clientY - rect.top;
-      if (x < 0 || y < 0 || x > rect.width || y > rect.height) {
-        mouse.x = -1000;
-        mouse.y = -1000;
-        return false;
-      }
-      mouse.x = x;
-      mouse.y = y;
-      return true;
-    };
-
-    const handleMouseMove = (e: MouseEvent) => {
-      if (!updateMouseFromCoords(e.clientX, e.clientY)) {
-        mouse.down = false;
-      }
-    };
-
-    const handleTouchMove = (e: TouchEvent) => {
-      if (e.touches.length > 0) {
-        updateMouseFromCoords(e.touches[0].clientX, e.touches[0].clientY);
-      }
-    };
-
-    const handleMouseDown = (e: MouseEvent) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      if (x >= 0 && y >= 0 && x <= rect.width && y <= rect.height) {
-        mouse.down = true;
-      }
-    };
-    const handleMouseUp = () => {
-      mouse.down = false;
-    };
-    const handleTouchStart = (e: TouchEvent) => {
-      if (e.touches.length > 0) {
-        if (updateMouseFromCoords(e.touches[0].clientX, e.touches[0].clientY)) {
-          mouse.down = true;
-        }
-      }
-    };
-
-    window.addEventListener('mousemove', handleMouseMove);
-    window.addEventListener('touchmove', handleTouchMove, { passive: false });
-    window.addEventListener('mousedown', handleMouseDown);
-    window.addEventListener('mouseup', handleMouseUp);
-    window.addEventListener('touchstart', handleTouchStart);
-    window.addEventListener('touchend', handleMouseUp);
-
-    const draw = (now = 0) => {
-      const decision = gate(now);
-      if (decision === 'halt') return;
-      if (decision === 'skip') {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-      const width = canvas.width / (window.devicePixelRatio || 1);
-      const height = canvas.height / (window.devicePixelRatio || 1);
-
-      if (!width || !height) {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-
-      ctx.clearRect(0, 0, width, height);
-
-      // Physics Update
-      nodes.forEach((node) => {
-        // Return force (Elasticity) - slightly slower return
-        const dxBase = node.baseX - node.x;
-        const dyBase = node.baseY - node.y;
-        node.vx += dxBase * speed;
-        node.vy += dyBase * speed;
-
-        // Mouse interaction
-        const dxMouse = mouse.x - node.x;
-        const dyMouse = mouse.y - node.y;
-        const distMouse = Math.sqrt(dxMouse * dxMouse + dyMouse * dyMouse);
-
-        if (mouse.down) {
-          // Grab and drag effect - less strong
-          const dragDist = 300;
-          if (distMouse < dragDist) {
-            const power = (dragDist - distMouse) / dragDist;
-            node.vx += dxMouse * power * 0.08;
-            node.vy += dyMouse * power * 0.08;
-          }
-        } else {
-          // Hover disturbance - less strong pushing effect
-          const hoverDist = 150;
-          if (distMouse < hoverDist) {
-            const power = (hoverDist - distMouse) / hoverDist;
-            node.vx -= dxMouse * power * 0.02;
-            node.vy -= dyMouse * power * 0.02;
-          }
-        }
-
-        // Damping (Friction) - stronger damping for less "fast" feel
-        node.vx *= 0.88;
-        node.vy *= 0.88;
-
-        // Update Position
-        node.x += node.vx;
-        node.y += node.vy;
-      });
-
-      // Draw Mesh (Connections)
-      ctx.lineWidth = 1;
-
-      for (let i = 0; i < nodes.length; i++) {
-        let currentConnections = 0;
-        // We only connect a few to keep it a "web" and not a solid block
-        for (let j = i + 1; j < nodes.length && currentConnections < 6; j++) {
-          const dx = nodes[i].x - nodes[j].x;
-          const dy = nodes[i].y - nodes[j].y;
-          const dist = Math.sqrt(dx * dx + dy * dy);
-
-          if (dist < connectionDist) {
-            currentConnections++;
-            const opacity = (1 - dist / connectionDist) * globalOpacity;
-            ctx.beginPath();
-            ctx.moveTo(nodes[i].x, nodes[i].y);
-            ctx.lineTo(nodes[j].x, nodes[j].y);
-
-            // Dynamic gradient for the line
-            const lineGrad = ctx.createLinearGradient(
-              nodes[i].x,
-              nodes[i].y,
-              nodes[j].x,
-              nodes[j].y,
-            );
-            lineGrad.addColorStop(0, alpha(nodes[i].color, opacity));
-            lineGrad.addColorStop(1, alpha(nodes[j].color, opacity));
-
-            ctx.strokeStyle = lineGrad;
-            ctx.stroke();
-
-            // Fill some triangles for complexity
-            if (dist < connectionDist * 0.6 && pseudoRandom(i + j) > 0.92) {
-              for (let k = j + 1; k < nodes.length; k++) {
-                const d3x = nodes[i].x - nodes[k].x;
-                const d3y = nodes[i].y - nodes[k].y;
-                if (Math.sqrt(d3x * d3x + d3y * d3y) < connectionDist * 0.6) {
-                  ctx.beginPath();
-                  ctx.moveTo(nodes[i].x, nodes[i].y);
-                  ctx.lineTo(nodes[j].x, nodes[j].y);
-                  ctx.lineTo(nodes[k].x, nodes[k].y);
-                  ctx.closePath();
-                  ctx.fillStyle = alpha(nodes[i].color, 0.04);
-                  ctx.fill();
-                  break;
-                }
-              }
-            }
-          }
-        }
-      }
-
-      // Draw Nodes
-      nodes.forEach((node) => {
-        ctx.beginPath();
-        ctx.arc(node.x, node.y, node.size, 0, Math.PI * 2);
-        ctx.fillStyle = node.color;
-        ctx.fill();
-
-        // Core glow
-        ctx.beginPath();
-        ctx.arc(node.x, node.y, node.size * 2.5, 0, Math.PI * 2);
-        ctx.fillStyle = alpha(node.color, 0.15);
-        ctx.fill();
-      });
-
-      animationFrameId = requestAnimationFrame(draw);
-    };
-
-    draw();
-
-    return () => {
-      resizeObserver.disconnect();
-      window.removeEventListener('mousemove', handleMouseMove);
-      window.removeEventListener('touchmove', handleTouchMove);
-      window.removeEventListener('mousedown', handleMouseDown);
-      window.removeEventListener('mouseup', handleMouseUp);
-      window.removeEventListener('touchstart', handleTouchStart);
-      window.removeEventListener('touchend', handleMouseUp);
-      cancelAnimationFrame(animationFrameId);
-    };
-  }, [
-    username,
-    palette,
-    ratingsCount,
-    followersCount,
-    theme,
-    nodeCountBase,
-    connectionDist,
-    speed,
-    globalOpacity,
-    gate,
-  ]);
-
-  return (
-    <canvas
-      ref={canvasRef}
-      style={{
-        position: 'absolute',
-        top: 0,
-        left: 0,
-        width: '100%',
-        height: '100%',
-        pointerEvents: 'none',
-        zIndex: 0,
-        mixBlendMode: theme.palette.mode === 'light' ? 'multiply' : 'screen',
-      }}
-    />
-  );
-};
-
-export default GenerativeBanner;

frontend/src/components/HextechBanner.tsx

@@ -1,310 +0,0 @@
-import React, { useRef, useEffect, useMemo } from 'react';
-import { alpha, useTheme } from '@mui/material';
-import { useBannerFrameGate } from './BannerPerformanceWrapper';
-
-interface HextechBannerProps {
-  username: string;
-  palette: string[];
-  ratingsCount: number;
-  followersCount: number;
-  settings?: {
-    gridSize?: number;
-    pulseSpeed?: number;
-    glowIntensity?: number;
-    streamCount?: number;
-    distortion?: number;
-  };
-}
-
-const HextechBanner: React.FC<HextechBannerProps> = ({ username, palette, settings }) => {
-  const canvasRef = useRef<HTMLCanvasElement>(null);
-  const theme = useTheme();
-  const gate = useBannerFrameGate();
-
-  const gridSize = settings?.gridSize ?? 40;
-  const pulseSpeed = settings?.pulseSpeed ?? 0.02;
-  const glowIntensity = settings?.glowIntensity ?? 0.8;
-  const streamCount = settings?.streamCount ?? 12;
-  const distortionFactor = settings?.distortion ?? 0.5;
-
-  const getSeed = (str: string) => {
-    let hash = 0;
-    for (let i = 0; i < str.length; i++) {
-      hash = str.charCodeAt(i) + ((hash << 5) - hash);
-    }
-    return hash;
-  };
-
-  const seed = useMemo(() => getSeed(username), [username]);
-
-  const brightColors = useMemo(() => {
-    const colors =
-      palette.length >= 2
-        ? palette
-        : [theme.palette.primary.main, theme.palette.secondary.main, theme.palette.info.main];
-    const getBrightness = (hex: string) => {
-      const r = parseInt(hex.slice(1, 3), 16) || 0;
-      const g = parseInt(hex.slice(3, 5), 16) || 0;
-      const b = parseInt(hex.slice(5, 7), 16) || 0;
-      return (r * 299 + g * 587 + b * 114) / 1000;
-    };
-    const sorted = [...colors].sort((a, b) => getBrightness(b) - getBrightness(a));
-    return sorted.slice(0, 3);
-  }, [palette, theme]);
-
-  useEffect(() => {
-    const canvas = canvasRef.current;
-    if (!canvas) return;
-
-    const ctx = canvas.getContext('2d', { alpha: true });
-    if (!ctx) return;
-
-    let animationFrameId: number;
-    let time = 0;
-
-    const pseudoRandom = (offset: number) => {
-      const x = Math.sin(seed + offset) * 10000;
-      return x - Math.floor(x);
-    };
-
-    // Mana Stream Logic
-    interface Stream {
-      segments: { x: number; y: number }[];
-      color: string;
-      life: number;
-      speed: number;
-    }
-
-    let streams: Stream[] = [];
-
-    const createStream = (width: number, height: number) => {
-      const color = brightColors[Math.floor(pseudoRandom(time) * brightColors.length)];
-      const x = pseudoRandom(time + 1) * width;
-      const y = pseudoRandom(time + 2) * height;
-
-      return {
-        segments: [{ x, y }],
-        color,
-        life: 1.0,
-        speed: 2 + pseudoRandom(time + 3) * 4,
-      };
-    };
-
-    const drawHexagon = (x: number, y: number, r: number, tilt: number) => {
-      ctx.beginPath();
-      for (let i = 0; i < 6; i++) {
-        const angle = (Math.PI / 3) * i + tilt;
-        const px = x + r * Math.cos(angle);
-        const py = y + r * Math.sin(angle);
-        if (i === 0) ctx.moveTo(px, py);
-        else ctx.lineTo(px, py);
-      }
-      ctx.closePath();
-    };
-
-    const resize = () => {
-      const parent = canvas.parentElement;
-      if (parent) {
-        const rect = parent.getBoundingClientRect();
-        const dpr = window.devicePixelRatio || 1;
-        canvas.width = rect.width * dpr;
-        canvas.height = rect.height * dpr;
-        ctx.scale(dpr, dpr);
-        canvas.style.width = `${rect.width}px`;
-        canvas.style.height = `${rect.height}px`;
-      }
-    };
-
-    const resizeObserver = new ResizeObserver(() => resize());
-    if (canvas.parentElement) resizeObserver.observe(canvas.parentElement);
-    resize();
-
-    const mouse = { x: -1000, y: -1000, down: false };
-    const handleMouseMove = (e: MouseEvent) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      if (x < 0 || y < 0 || x > rect.width || y > rect.height) {
-        mouse.x = -1000;
-        mouse.y = -1000;
-        mouse.down = false;
-      } else {
-        mouse.x = x;
-        mouse.y = y;
-      }
-    };
-    const handleMouseDown = (e: MouseEvent) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      if (x >= 0 && y >= 0 && x <= rect.width && y <= rect.height) {
-        mouse.down = true;
-      }
-    };
-    const handleMouseUp = () => {
-      mouse.down = false;
-    };
-
-    window.addEventListener('mousemove', handleMouseMove);
-    window.addEventListener('mousedown', handleMouseDown);
-    window.addEventListener('mouseup', handleMouseUp);
-
-    const draw = (now = 0) => {
-      const decision = gate(now);
-      if (decision === 'halt') return;
-      if (decision === 'skip') {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-      const width = canvas.width / (window.devicePixelRatio || 1);
-      const height = canvas.height / (window.devicePixelRatio || 1);
-      if (!width || !height) {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-
-      ctx.clearRect(0, 0, width, height);
-
-      // Background
-      const isLight = theme.palette.mode === 'light';
-      const bgGrad = ctx.createRadialGradient(
-        width / 2,
-        height / 2,
-        0,
-        width / 2,
-        height / 2,
-        width,
-      );
-      if (isLight) {
-        // For light themes, use a deeper, more saturated version of the theme color
-        bgGrad.addColorStop(0, alpha(brightColors[2] || brightColors[0], 0.65));
-        bgGrad.addColorStop(1, alpha(brightColors[2] || brightColors[0], 0.95));
-      } else {
-        bgGrad.addColorStop(0, '#0a051a'); // Arcane Purple tint
-        bgGrad.addColorStop(1, '#020105');
-      }
-      ctx.fillStyle = bgGrad;
-      ctx.fillRect(0, 0, width, height);
-
-      time += pulseSpeed;
-
-      // 1. Draw Hex Grid
-      ctx.lineWidth = 1;
-      const h = gridSize * Math.sqrt(3);
-      const w = gridSize * 2;
-
-      for (let y = -gridSize; y < height + gridSize; y += h / 2) {
-        for (let x = -gridSize; x < width + gridSize; x += w * 0.75) {
-          const xOffset = Math.floor(y / (h / 2)) % 2 === 0 ? 0 : w * 0.375;
-          const finalX = x + xOffset;
-          const finalY = y;
-
-          // Apply Trippiness (Distortion)
-          const dist = Math.sqrt(Math.pow(finalX - mouse.x, 2) + Math.pow(finalY - mouse.y, 2));
-          const mouseImpact = Math.max(0, (200 - dist) / 200) * (mouse.down ? 2 : 1);
-
-          const dx =
-            Math.sin(time + finalX * 0.01) * gridSize * distortionFactor * (1 + mouseImpact);
-          const dy =
-            Math.cos(time + finalY * 0.01) * gridSize * distortionFactor * (1 + mouseImpact);
-
-          const drawX = finalX + dx;
-          const drawY = finalY + dy;
-
-          // Pulse glow
-          const pulseVal = 0.1 + Math.sin(time * 2 + (finalX + finalY) * 0.005) * 0.1;
-          const opacity = (0.1 + pulseVal + mouseImpact * 0.3) * glowIntensity;
-
-          ctx.strokeStyle = alpha(brightColors[0], opacity);
-          drawHexagon(drawX, drawY, gridSize * 0.9, time * 0.1);
-          ctx.stroke();
-
-          // Occasional Runes
-          if (pseudoRandom(Math.floor(finalX) + Math.floor(finalY)) > 0.92) {
-            ctx.fillStyle = alpha(brightColors[1], opacity * 0.5);
-            ctx.font = `${gridSize * 0.5}px serif`;
-            ctx.fillText('⚡', drawX - 5, drawY + 5);
-          }
-        }
-      }
-
-      // 2. Process Mana Streams
-      if (streams.length < streamCount && Math.random() > 0.9) {
-        streams.push(createStream(width, height));
-      }
-
-      ctx.globalCompositeOperation = 'screen';
-      streams.forEach((s, idx) => {
-        s.life -= 0.005;
-        const last = s.segments[s.segments.length - 1];
-
-        const ang = pseudoRandom(time + idx) * Math.PI * 2;
-        const nextX = last.x + Math.cos(ang) * s.speed;
-        const nextY = last.y + Math.sin(ang) * s.speed;
-
-        s.segments.push({ x: nextX, y: nextY });
-        if (s.segments.length > 20) s.segments.shift();
-
-        ctx.beginPath();
-        ctx.strokeStyle = alpha(s.color, s.life * glowIntensity);
-        ctx.lineWidth = 2;
-        s.segments.forEach((seg, i) => {
-          if (i === 0) ctx.moveTo(seg.x, seg.y);
-          else ctx.lineTo(seg.x, seg.y);
-        });
-        ctx.stroke();
-
-        const head = s.segments[s.segments.length - 1];
-        const g = ctx.createRadialGradient(head.x, head.y, 0, head.x, head.y, 15);
-        g.addColorStop(0, alpha(s.color, s.life));
-        g.addColorStop(1, alpha(s.color, 0));
-        ctx.fillStyle = g;
-        ctx.beginPath();
-        ctx.arc(head.x, head.y, 15, 0, Math.PI * 2);
-        ctx.fill();
-      });
-      ctx.globalCompositeOperation = 'source-over';
-
-      streams = streams.filter((s) => s.life > 0);
-
-      animationFrameId = requestAnimationFrame(draw);
-    };
-
-    draw();
-
-    return () => {
-      resizeObserver.disconnect();
-      window.removeEventListener('mousemove', handleMouseMove);
-      window.removeEventListener('mousedown', handleMouseDown);
-      window.removeEventListener('mouseup', handleMouseUp);
-      cancelAnimationFrame(animationFrameId);
-    };
-  }, [
-    seed,
-    brightColors,
-    gridSize,
-    pulseSpeed,
-    glowIntensity,
-    streamCount,
-    distortionFactor,
-    theme,
-    gate,
-  ]);
-
-  return (
-    <canvas
-      ref={canvasRef}
-      style={{
-        position: 'absolute',
-        top: 0,
-        left: 0,
-        width: '100%',
-        height: '100%',
-        pointerEvents: 'none',
-        zIndex: 0,
-      }}
-    />
-  );
-};
-
-export default HextechBanner;

frontend/src/components/HextechCorruptionBanner.tsx

@@ -1,300 +0,0 @@
-import React, { useRef, useEffect, useMemo } from 'react';
-import { alpha, useTheme } from '@mui/material';
-import { useBannerFrameGate } from './BannerPerformanceWrapper';
-
-interface HextechCorruptionBannerProps {
-  username: string;
-  palette: string[];
-  ratingsCount: number;
-  followersCount: number;
-  settings?: {
-    cellCount?: number;
-    shimmerSpeed?: number;
-    glowIntensity?: number;
-    instability?: number;
-    shellDarkness?: number;
-  };
-}
-
-const HextechCorruptionBanner: React.FC<HextechCorruptionBannerProps> = ({
-  username,
-  palette,
-  settings,
-}) => {
-  const canvasRef = useRef<HTMLCanvasElement>(null);
-  const theme = useTheme();
-  const gate = useBannerFrameGate();
-
-  const cellCount = settings?.cellCount ?? 40;
-  const shimmerSpeed = settings?.shimmerSpeed ?? 0.015;
-  const glowIntensity = settings?.glowIntensity ?? 0.9;
-  const instability = settings?.instability ?? 0.6;
-  const shellDarkness = settings?.shellDarkness ?? 0.85;
-
-  const getSeed = (str: string) => {
-    let hash = 0;
-    for (let i = 0; i < str.length; i++) {
-      hash = str.charCodeAt(i) + ((hash << 5) - hash);
-    }
-    return hash;
-  };
-
-  const seed = useMemo(() => getSeed(username), [username]);
-
-  const brightColors = useMemo(() => {
-    const colors =
-      palette.length >= 2
-        ? palette
-        : [theme.palette.primary.main, theme.palette.secondary.main, theme.palette.info.main];
-    const getBrightness = (hex: string) => {
-      const r = parseInt(hex.slice(1, 3), 16) || 0;
-      const g = parseInt(hex.slice(3, 5), 16) || 0;
-      const b = parseInt(hex.slice(5, 7), 16) || 0;
-      return (r * 299 + g * 587 + b * 114) / 1000;
-    };
-    const sorted = [...colors].sort((a, b) => getBrightness(b) - getBrightness(a));
-    return sorted.slice(0, 3);
-  }, [palette, theme]);
-
-  useEffect(() => {
-    const canvas = canvasRef.current;
-    if (!canvas) return;
-
-    const ctx = canvas.getContext('2d', { alpha: true });
-    if (!ctx) return;
-
-    let animationFrameId: number;
-    let time = 0;
-
-    interface ControlPoint {
-      x: number;
-      y: number;
-      ox: number;
-      oy: number;
-      vx: number;
-      vy: number;
-      phase: number;
-      color: string;
-    }
-
-    let points: ControlPoint[] = [];
-
-    const pseudoRandom = (offset: number) => {
-      const x = Math.sin(seed + offset) * 10000;
-      return x - Math.floor(x);
-    };
-
-    const initPoints = (width: number, height: number) => {
-      const newPoints = [];
-      for (let i = 0; i < cellCount; i++) {
-        const rx = pseudoRandom(i) * width;
-        const ry = pseudoRandom(i + 500) * height;
-        newPoints.push({
-          x: rx,
-          y: ry,
-          ox: rx,
-          oy: ry,
-          vx: 0,
-          vy: 0,
-          phase: pseudoRandom(i + 1000) * Math.PI * 2,
-          color: brightColors[i % brightColors.length],
-        });
-      }
-      return newPoints;
-    };
-
-    const resize = () => {
-      const parent = canvas.parentElement;
-      if (parent) {
-        const rect = parent.getBoundingClientRect();
-        const dpr = window.devicePixelRatio || 1;
-        canvas.width = rect.width * dpr;
-        canvas.height = rect.height * dpr;
-        ctx.scale(dpr, dpr);
-        canvas.style.width = `${rect.width}px`;
-        canvas.style.height = `${rect.height}px`;
-        points = initPoints(rect.width, rect.height);
-      }
-    };
-
-    const resizeObserver = new ResizeObserver(() => resize());
-    if (canvas.parentElement) resizeObserver.observe(canvas.parentElement);
-    resize();
-
-    const mouse = { x: -1000, y: -1000, down: false };
-    const handleMouseMove = (e: MouseEvent) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      if (x < 0 || y < 0 || x > rect.width || y > rect.height) {
-        mouse.x = -1000;
-        mouse.y = -1000;
-        mouse.down = false;
-      } else {
-        mouse.x = x;
-        mouse.y = y;
-      }
-    };
-    const handleMouseDown = (e: MouseEvent) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      if (x >= 0 && y >= 0 && x <= rect.width && y <= rect.height) {
-        mouse.down = true;
-      }
-    };
-    const handleMouseUp = () => {
-      mouse.down = false;
-    };
-
-    window.addEventListener('mousemove', handleMouseMove);
-    window.addEventListener('mousedown', handleMouseDown);
-    window.addEventListener('mouseup', handleMouseUp);
-
-    const draw = (now = 0) => {
-      const decision = gate(now);
-      if (decision === 'halt') return;
-      if (decision === 'skip') {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-      const width = canvas.width / (window.devicePixelRatio || 1);
-      const height = canvas.height / (window.devicePixelRatio || 1);
-      if (!width || !height) {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-
-      ctx.clearRect(0, 0, width, height);
-      time += shimmerSpeed;
-
-      // 1. Draw Under-Glow (Inner Cores)
-      ctx.globalCompositeOperation = 'source-over';
-      points.forEach((p) => {
-        // Harmonic motion + mouse interaction
-        const dxMouse = mouse.x - p.x;
-        const dyMouse = mouse.y - p.y;
-        const distMouse = Math.sqrt(dxMouse * dxMouse + dyMouse * dyMouse);
-        const mouseForce = Math.max(0, (300 - distMouse) / 300);
-
-        const driftX = Math.sin(time + p.phase) * 20 * instability;
-        const driftY = Math.cos(time * 0.8 + p.phase) * 20 * instability;
-
-        p.x = p.ox + driftX + (mouse.down ? -dxMouse * mouseForce * 0.5 : 0);
-        p.y = p.oy + driftY + (mouse.down ? -dyMouse * mouseForce * 0.5 : 0);
-
-        const pulse = 0.7 + Math.sin(time * 3 + p.phase) * 0.3;
-        const glowSize = 60 + mouseForce * 40;
-
-        const grad = ctx.createRadialGradient(p.x, p.y, 0, p.x, p.y, glowSize);
-        grad.addColorStop(0, alpha(p.color, 0.8 * glowIntensity * pulse));
-        grad.addColorStop(0.5, alpha(p.color, 0.3 * glowIntensity));
-        grad.addColorStop(1, alpha(p.color, 0));
-
-        ctx.fillStyle = grad;
-        ctx.beginPath();
-        ctx.arc(p.x, p.y, glowSize, 0, Math.PI * 2);
-        ctx.fill();
-      });
-
-      // 2. Draw Dark "Void" Shell (Voronoi-based cutout)
-      // We use a temporary canvas to draw the shell then mask it, or just use a heavy overlay
-      ctx.globalCompositeOperation = 'source-over';
-
-      // Create the "holes" effect by using a pattern of circles that are actually transparent
-      // Actually, to get the specific look from the image, we can use a simpler approach:
-      // Layer a dark color over everything, but with 'destination-out' circles at the point locations.
-
-      const offCanvas = document.createElement('canvas');
-      offCanvas.width = canvas.width;
-      offCanvas.height = canvas.height;
-      const offCtx = offCanvas.getContext('2d');
-      if (offCtx) {
-        const dpr = window.devicePixelRatio || 1;
-        offCtx.scale(dpr, dpr);
-
-        // Draw full dark shell
-        const shellColor =
-          theme.palette.mode === 'light'
-            ? alpha('#1a0a2a', shellDarkness)
-            : alpha('#05020a', shellDarkness);
-        offCtx.fillStyle = shellColor;
-        offCtx.fillRect(0, 0, width, height);
-
-        // Cut holes
-        offCtx.globalCompositeOperation = 'destination-out';
-        points.forEach((p) => {
-          const holeSize = 15 + Math.sin(time + p.phase) * 5 + instability * 10;
-
-          // Main hole
-          offCtx.beginPath();
-          offCtx.arc(p.x, p.y, holeSize, 0, Math.PI * 2);
-          offCtx.fill();
-
-          // Add secondary smaller holes for that "punctured" look
-          for (let j = 0; j < 3; j++) {
-            const angle = p.phase + j * Math.PI * 0.6;
-            const hx = p.x + Math.cos(angle) * (holeSize * 1.5);
-            const hy = p.y + Math.sin(angle) * (holeSize * 1.5);
-            offCtx.beginPath();
-            offCtx.arc(hx, hy, holeSize * 0.4, 0, Math.PI * 2);
-            offCtx.fill();
-          }
-        });
-
-        ctx.drawImage(offCanvas, 0, 0, width, height);
-      }
-
-      // 3. Add Iridescent Edge Highlights
-      ctx.globalCompositeOperation = 'screen';
-      ctx.lineWidth = 2;
-      points.forEach((p) => {
-        const pulse = 0.5 + Math.sin(time * 2 + p.phase) * 0.5;
-        ctx.strokeStyle = alpha(p.color, pulse * 0.4);
-        ctx.beginPath();
-        ctx.arc(p.x, p.y, 20 + pulse * 5, 0, Math.PI * 2);
-        ctx.stroke();
-      });
-
-      ctx.globalCompositeOperation = 'source-over';
-      animationFrameId = requestAnimationFrame(draw);
-    };
-
-    draw();
-
-    return () => {
-      resizeObserver.disconnect();
-      window.removeEventListener('mousemove', handleMouseMove);
-      window.removeEventListener('mousedown', handleMouseDown);
-      window.removeEventListener('mouseup', handleMouseUp);
-      cancelAnimationFrame(animationFrameId);
-    };
-  }, [
-    seed,
-    brightColors,
-    cellCount,
-    shimmerSpeed,
-    glowIntensity,
-    instability,
-    shellDarkness,
-    theme,
-    gate,
-  ]);
-
-  return (
-    <canvas
-      ref={canvasRef}
-      style={{
-        position: 'absolute',
-        top: 0,
-        left: 0,
-        width: '100%',
-        height: '100%',
-        pointerEvents: 'none',
-        zIndex: 0,
-      }}
-    />
-  );
-};
-
-export default HextechCorruptionBanner;

frontend/src/components/NebulaBanner.tsx

@@ -1,347 +0,0 @@
-import React, { useRef, useEffect, useMemo } from 'react';
-import { alpha, useTheme } from '@mui/material';
-import { useBannerFrameGate } from './BannerPerformanceWrapper';
-
-interface NebulaBannerProps {
-  username: string;
-  palette: string[];
-  ratingsCount: number;
-  followersCount: number;
-  settings?: {
-    particleCount?: number;
-    speed?: number;
-    opacity?: number;
-    smearRadius?: number;
-    turbulence?: number;
-    returnSpeed?: number;
-    starDensity?: number;
-  };
-}
-
-const NebulaBanner: React.FC<NebulaBannerProps> = ({
-  username,
-  palette,
-  ratingsCount,
-  followersCount,
-  settings,
-}) => {
-  const canvasRef = useRef<HTMLCanvasElement>(null);
-  const theme = useTheme();
-  const gate = useBannerFrameGate();
-
-  const particleCount = settings?.particleCount ?? 400;
-  const speed = settings?.speed ?? 0.0015;
-  const globalOpacity = settings?.opacity ?? 0.6;
-  const smearRadius = settings?.smearRadius ?? 120;
-  const turbulenceStrength = settings?.turbulence ?? 0.4;
-  const returnSpeed = settings?.returnSpeed ?? 0.004; // Much lower for smoke-like feel
-  const starDensity = settings?.starDensity ?? 150;
-
-  const getSeed = (str: string) => {
-    let hash = 0;
-    for (let i = 0; i < str.length; i++) {
-      hash = str.charCodeAt(i) + ((hash << 5) - hash);
-    }
-    return hash;
-  };
-
-  const seed = useMemo(() => getSeed(username), [username]);
-
-  useEffect(() => {
-    const canvas = canvasRef.current;
-    if (!canvas) return;
-
-    const ctx = canvas.getContext('2d', { alpha: true });
-    if (!ctx) return;
-
-    let animationFrameId: number;
-    const colors =
-      palette.length >= 2
-        ? palette
-        : [theme.palette.primary.main, theme.palette.secondary.main, theme.palette.info.main];
-
-    interface Particle {
-      x: number;
-      y: number;
-      baseX: number;
-      baseY: number;
-      vx: number;
-      vy: number;
-      size: number;
-      color: string;
-      alpha: number;
-      targetAlpha: number;
-      phase: number;
-    }
-
-    interface Star {
-      x: number;
-      y: number;
-      size: number;
-      opacity: number;
-    }
-
-    let particles: Particle[] = [];
-    let stars: Star[] = [];
-
-    const pseudoRandom = (offset: number) => {
-      const x = Math.sin(seed + offset) * 10000;
-      return x - Math.floor(x);
-    };
-
-    const initScene = (width: number, height: number) => {
-      // Init Stars
-      const newStars = [];
-      for (let i = 0; i < starDensity; i++) {
-        newStars.push({
-          x: pseudoRandom(i + 5000) * width,
-          y: pseudoRandom(i + 6000) * height,
-          size: pseudoRandom(i + 7000) * 1.5,
-          opacity: 0.1 + pseudoRandom(i + 8000) * 0.5,
-        });
-      }
-
-      // Init Gas Clusters
-      const newParticles = [];
-      const clusterCount = colors.length * 3; // More clusters
-      const groupCenters = Array.from({ length: clusterCount }).map((_, i) => ({
-        x: (pseudoRandom(i * 15) * 0.8 + 0.1) * width,
-        y: (pseudoRandom(i * 25 + 7) * 0.8 + 0.1) * height,
-      }));
-
-      for (let i = 0; i < particleCount; i++) {
-        const clusterIdx = i % clusterCount;
-        const colorIdx = clusterIdx % colors.length;
-        const center = groupCenters[clusterIdx];
-        const angle = pseudoRandom(i + 100) * Math.PI * 2;
-        const dist = pseudoRandom(i + 200) * (width * 0.12);
-        const bx = center.x + Math.cos(angle) * dist;
-        const by = center.y + Math.sin(angle) * dist;
-
-        newParticles.push({
-          x: bx,
-          y: by,
-          baseX: bx,
-          baseY: by,
-          vx: 0,
-          vy: 0,
-          size: 40 + pseudoRandom(i + 300) * 80, // Larger, softer blobs
-          color: colors[colorIdx],
-          alpha: 0,
-          targetAlpha: 0.05 + pseudoRandom(i + 400) * 0.15,
-          phase: pseudoRandom(i + 500) * Math.PI * 2,
-        });
-      }
-      return { stars: newStars, particles: newParticles };
-    };
-
-    const resize = () => {
-      const parent = canvas.parentElement;
-      if (parent) {
-        const rect = parent.getBoundingClientRect();
-        const dpr = window.devicePixelRatio || 1;
-        canvas.width = rect.width * dpr;
-        canvas.height = rect.height * dpr;
-        ctx.scale(dpr, dpr);
-        canvas.style.width = `${rect.width}px`;
-        canvas.style.height = `${rect.height}px`;
-        const scene = initScene(rect.width, rect.height);
-        stars = scene.stars;
-        particles = scene.particles;
-      }
-    };
-
-    const resizeObserver = new ResizeObserver(() => resize());
-    if (canvas.parentElement) resizeObserver.observe(canvas.parentElement);
-    resize();
-
-    const mouse = { x: -1000, y: -1000, px: -1000, py: -1000, down: false };
-    const handleMouseMove = (e: MouseEvent) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      mouse.px = mouse.x;
-      mouse.py = mouse.y;
-      if (x < 0 || y < 0 || x > rect.width || y > rect.height) {
-        mouse.x = -1000;
-        mouse.y = -1000;
-        mouse.down = false;
-      } else {
-        mouse.x = x;
-        mouse.y = y;
-      }
-    };
-    const handleMouseDown = (e: MouseEvent) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      if (x >= 0 && y >= 0 && x <= rect.width && y <= rect.height) {
-        mouse.down = true;
-      }
-    };
-    const handleMouseUp = () => {
-      mouse.down = false;
-    };
-
-    window.addEventListener('mousemove', handleMouseMove);
-    window.addEventListener('mousedown', handleMouseDown);
-    window.addEventListener('mouseup', handleMouseUp);
-
-    let time = 0;
-    const draw = (now = 0) => {
-      const decision = gate(now);
-      if (decision === 'halt') return;
-      if (decision === 'skip') {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-      const width = canvas.width / (window.devicePixelRatio || 1);
-      const height = canvas.height / (window.devicePixelRatio || 1);
-      if (!width || !height) {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-
-      ctx.clearRect(0, 0, width, height);
-
-      // 1. Dynamic Celestial Background
-      const isLight = theme.palette.mode === 'light';
-      const skyGrad = ctx.createRadialGradient(
-        width / 2,
-        height / 2,
-        0,
-        width / 2,
-        height / 2,
-        width,
-      );
-
-      if (isLight) {
-        // Vibrant Deep Primary for light mode - but dark enough for glowing gas to pop
-        skyGrad.addColorStop(0, alpha(colors[colors.length - 1], 0.7));
-        skyGrad.addColorStop(0.5, alpha(colors[colors.length - 1], 0.9));
-        skyGrad.addColorStop(1, alpha(colors[colors.length - 1], 1.0));
-      } else {
-        // True Deep Space with visible tints for dark mode
-        skyGrad.addColorStop(0, '#1a1a3a'); // More blue/purple tint
-        skyGrad.addColorStop(0.5, '#0a0a1a');
-        skyGrad.addColorStop(1, '#050508');
-      }
-
-      ctx.fillStyle = skyGrad;
-      ctx.fillRect(0, 0, width, height);
-
-      // 2. Draw Distant Stars
-      ctx.fillStyle = '#fff';
-      stars.forEach((s) => {
-        ctx.globalAlpha = s.opacity * (0.7 + Math.sin(time * 2 + s.x) * 0.3);
-        ctx.beginPath();
-        ctx.arc(s.x, s.y, s.size, 0, Math.PI * 2);
-        ctx.fill();
-      });
-      ctx.globalAlpha = 1.0;
-
-      time += speed;
-
-      // 3. Draw Gas Clouds
-      particles.forEach((p) => {
-        // Restoration Force (Airy return)
-        const dxBase = p.baseX - p.x;
-        const dyBase = p.baseY - p.y;
-        p.vx += dxBase * returnSpeed;
-        p.vy += dyBase * returnSpeed;
-
-        // Mouse Interaction (Airy Smear)
-        const dx = mouse.x - p.x;
-        const dy = mouse.y - p.y;
-        const dist = Math.sqrt(dx * dx + dy * dy);
-
-        if (dist < smearRadius) {
-          const force = (smearRadius - dist) / smearRadius;
-          if (mouse.down) {
-            // High turbulence on click
-            const angle = Math.atan2(dy, dx);
-            p.vx += Math.cos(angle + Math.PI / 2) * turbulenceStrength * 2;
-            p.vy += Math.sin(angle + Math.PI / 2) * turbulenceStrength * 2;
-          } else {
-            // Smoke-like smear
-            const mdx = mouse.x - mouse.px;
-            const mdy = mouse.y - mouse.py;
-            p.vx += mdx * force * 0.15;
-            p.vy += mdy * force * 0.15;
-            p.vx -= (dx / dist) * force * 0.8;
-            p.vy -= (dy / dist) * force * 0.8;
-          }
-        }
-
-        // Smooth drift
-        p.vx += Math.sin(time + p.phase) * 0.03;
-        p.vy += Math.cos(time * 0.8 + p.phase) * 0.03;
-
-        // High friction for gas feel
-        p.vx *= 0.95;
-        p.vy *= 0.95;
-        p.x += p.vx;
-        p.y += p.vy;
-
-        if (p.alpha < p.targetAlpha) p.alpha += 0.001;
-
-        // Render as very soft additive blob
-        const grad = ctx.createRadialGradient(p.x, p.y, 0, p.x, p.y, p.size);
-        const colorAlpha = p.alpha * globalOpacity;
-        grad.addColorStop(0, alpha(p.color, colorAlpha));
-        grad.addColorStop(0.6, alpha(p.color, colorAlpha * 0.2));
-        grad.addColorStop(1, alpha(p.color, 0));
-
-        ctx.fillStyle = grad;
-        ctx.globalCompositeOperation = 'screen';
-        ctx.beginPath();
-        ctx.arc(p.x, p.y, p.size, 0, Math.PI * 2);
-        ctx.fill();
-      });
-
-      ctx.globalCompositeOperation = 'source-over';
-      animationFrameId = requestAnimationFrame(draw);
-    };
-
-    draw();
-
-    return () => {
-      resizeObserver.disconnect();
-      window.removeEventListener('mousemove', handleMouseMove);
-      window.removeEventListener('mousedown', handleMouseDown);
-      window.removeEventListener('mouseup', handleMouseUp);
-      cancelAnimationFrame(animationFrameId);
-    };
-  }, [
-    seed,
-    palette,
-    ratingsCount,
-    followersCount,
-    theme,
-    particleCount,
-    speed,
-    globalOpacity,
-    smearRadius,
-    turbulenceStrength,
-    returnSpeed,
-    starDensity,
-    gate,
-  ]);
-
-  return (
-    <canvas
-      ref={canvasRef}
-      style={{
-        position: 'absolute',
-        top: 0,
-        left: 0,
-        width: '100%',
-        height: '100%',
-        pointerEvents: 'none',
-        zIndex: 0,
-      }}
-    />
-  );
-};
-
-export default NebulaBanner;

frontend/src/components/banners/FirefliesBanner.tsx

@@ -1,6 +1,6 @@
-import React, { useRef, useEffect, useMemo } from 'react';
+import React, { useMemo } from 'react';
 import { alpha, useTheme } from '@mui/material';
-import { useBannerFrameGate } from './BannerPerformanceWrapper';
+import { CANVAS_STYLE, useCanvasBanner } from './useCanvasBanner';
 
 interface FirefliesBannerProps {
   username: string;
@@ -17,27 +17,37 @@ interface FirefliesBannerProps {
   };
 }
 
+interface Firefly {
+  x: number;
+  y: number;
+  vx: number;
+  vy: number;
+  size: number;
+  color: string;
+  phase: number;
+  noiseOffset: number;
+  isEvading: boolean;
+}
+
+const hashString = (str: string): number => {
+  let hash = 0;
+  for (let i = 0; i < str.length; i++) {
+    hash = str.charCodeAt(i) + ((hash << 5) - hash);
+  }
+  return hash;
+};
+
 const FirefliesBanner: React.FC<FirefliesBannerProps> = ({ username, palette, settings }) => {
-  const canvasRef = useRef<HTMLCanvasElement>(null);
   const theme = useTheme();
-  const gate = useBannerFrameGate();
 
   const count = settings?.count ?? 150;
-  const baseSpeed = settings?.speed ?? 0.8; // Slower default cruise
+  const baseSpeed = settings?.speed ?? 0.8;
   const evasionRadius = settings?.evasionRadius ?? 180;
-  const evasionStrength = settings?.evasionStrength ?? 0.6; // High evasion
+  const evasionStrength = settings?.evasionStrength ?? 0.6;
   const glowSizeMultiplier = settings?.glowSize ?? 4;
   const flickerSpeed = settings?.flickerSpeed ?? 0.05;
 
-  const getSeed = (str: string) => {
-    let hash = 0;
-    for (let i = 0; i < str.length; i++) {
-      hash = str.charCodeAt(i) + ((hash << 5) - hash);
-    }
-    return hash;
-  };
-
-  const seed = useMemo(() => getSeed(username), [username]);
+  const seed = useMemo(() => hashString(username), [username]);
 
   const brightColors = useMemo(() => {
     const colors =
@@ -54,38 +64,15 @@ const FirefliesBanner: React.FC<FirefliesBannerProps> = ({ username, palette, se
     return sorted.slice(0, 3);
   }, [palette, theme]);
 
-  useEffect(() => {
-    const canvas = canvasRef.current;
-    if (!canvas) return;
-
-    const ctx = canvas.getContext('2d', { alpha: true });
-    if (!ctx) return;
-
-    let animationFrameId: number;
-
-    interface Firefly {
-      x: number;
-      y: number;
-      vx: number;
-      vy: number;
-      size: number;
-      color: string;
-      phase: number;
-      noiseOffset: number;
-      isEvading: boolean;
-    }
-
-    let swarm: Firefly[] = [];
-
-    const pseudoRandom = (offset: number) => {
-      const x = Math.sin(seed + offset) * 10000;
-      return x - Math.floor(x);
-    };
-
-    const initSwarm = (width: number, height: number) => {
-      const newSwarm = [];
+  const ref = useCanvasBanner<{ swarm: Firefly[]; time: number }>({
+    init: (width, height) => {
+      const pseudoRandom = (offset: number) => {
+        const x = Math.sin(seed + offset) * 10000;
+        return x - Math.floor(x);
+      };
+      const swarm: Firefly[] = [];
       for (let i = 0; i < count; i++) {
-        newSwarm.push({
+        swarm.push({
           x: pseudoRandom(i) * width,
           y: pseudoRandom(i + 500) * height,
           vx: (pseudoRandom(i + 1000) - 0.5) * baseSpeed,
@@ -97,60 +84,20 @@ const FirefliesBanner: React.FC<FirefliesBannerProps> = ({ username, palette, se
           isEvading: false,
         });
       }
-      return newSwarm;
-    };
+      return { swarm, time: 0 };
+    },
+    draw: ({ ctx, width, height, state, mouse }) => {
+      const { swarm } = state;
+      state.time += flickerSpeed;
+      const time = state.time;
 
-    const resize = () => {
-      const parent = canvas.parentElement;
-      if (parent) {
-        const rect = parent.getBoundingClientRect();
-        const dpr = window.devicePixelRatio || 1;
-        canvas.width = rect.width * dpr;
-        canvas.height = rect.height * dpr;
-        ctx.scale(dpr, dpr);
-        canvas.style.width = `${rect.width}px`;
-        canvas.style.height = `${rect.height}px`;
-        swarm = initSwarm(rect.width, rect.height);
-      }
-    };
-
-    const resizeObserver = new ResizeObserver(() => resize());
-    if (canvas.parentElement) resizeObserver.observe(canvas.parentElement);
-    resize();
-
-    const mouse = { x: -1000, y: -1000 };
-    const handleMouseMove = (e: MouseEvent) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      if (x < 0 || y < 0 || x > rect.width || y > rect.height) {
-        mouse.x = -1000;
-        mouse.y = -1000;
-      } else {
-        mouse.x = x;
-        mouse.y = y;
-      }
-    };
-    window.addEventListener('mousemove', handleMouseMove);
-
-    let time = 0;
-    const draw = (now = 0) => {
-      const decision = gate(now);
-      if (decision === 'halt') return;
-      if (decision === 'skip') {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-      const width = canvas.width / (window.devicePixelRatio || 1);
-      const height = canvas.height / (window.devicePixelRatio || 1);
-      if (!width || !height) {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
+      const pseudoRandom = (offset: number) => {
+        const x = Math.sin(seed + offset) * 10000;
+        return x - Math.floor(x);
+      };
 
       ctx.clearRect(0, 0, width, height);
 
-      // Vibrant theme-aware night sky background
       const isLight = theme.palette.mode === 'light';
       const bgGrad = ctx.createRadialGradient(
         width / 2,
@@ -161,32 +108,25 @@ const FirefliesBanner: React.FC<FirefliesBannerProps> = ({ username, palette, se
         width,
       );
       if (isLight) {
-        // For light themes, we still need a "dusk/night" feel for fireflies to make sense.
-        // We use a deeper, more saturated version of the theme's colors.
         bgGrad.addColorStop(0, alpha(brightColors[2] || '#1a1a2e', 0.85));
         bgGrad.addColorStop(1, alpha(brightColors[2] || '#16213e', 1.0));
       } else {
-        bgGrad.addColorStop(0, '#141a2a'); // Noticeable blue-grey tint
+        bgGrad.addColorStop(0, '#141a2a');
         bgGrad.addColorStop(1, '#05080f');
       }
       ctx.fillStyle = bgGrad;
       ctx.fillRect(0, 0, width, height);
 
-      time += flickerSpeed;
-
       swarm.forEach((f, i) => {
-        // 1. Autonomous Chaotic Movement (Perlin + Jitter)
         const driftX = Math.sin(time * 0.5 + f.noiseOffset) * 0.05;
         const driftY = Math.cos(time * 0.4 + f.noiseOffset) * 0.05;
 
-        // High-frequency jitter for insect feel
         const jitterX = (pseudoRandom(i + time * 10) - 0.5) * 0.2;
         const jitterY = (pseudoRandom(i + 500 + time * 10) - 0.5) * 0.2;
 
         f.vx += driftX + jitterX;
         f.vy += driftY + jitterY;
 
-        // 2. Mouse Evasion (Fast Dash)
         const dx = mouse.x - f.x;
         const dy = mouse.y - f.y;
         const dist = Math.sqrt(dx * dx + dy * dy);
@@ -195,12 +135,10 @@ const FirefliesBanner: React.FC<FirefliesBannerProps> = ({ username, palette, se
         if (f.isEvading) {
           const force = (evasionRadius - dist) / evasionRadius;
           const angle = Math.atan2(dy, dx);
-          // Sharp acceleration away
           f.vx -= Math.cos(angle) * force * evasionStrength * 1.5;
           f.vy -= Math.sin(angle) * force * evasionStrength * 1.5;
         }
 
-        // 3. Dynamic Speed Limits
         const currentSpeed = Math.sqrt(f.vx * f.vx + f.vy * f.vy);
         const maxSpeed = f.isEvading ? baseSpeed * 10 : baseSpeed * 1.5;
 
@@ -209,25 +147,21 @@ const FirefliesBanner: React.FC<FirefliesBannerProps> = ({ username, palette, se
           f.vy = (f.vy / currentSpeed) * maxSpeed;
         }
 
-        // 4. Smooth Friction
         f.vx *= 0.97;
         f.vy *= 0.97;
 
         f.x += f.vx;
         f.y += f.vy;
 
-        // Screen Wrap
         const margin = 20;
         if (f.x < -margin) f.x = width + margin;
         if (f.x > width + margin) f.x = -margin;
         if (f.y < -margin) f.y = height + margin;
         if (f.y > height + margin) f.y = -margin;
 
-        // Flicker
         const flicker = 0.4 + Math.sin(time + f.phase) * 0.6;
         const opacity = flicker > 0 ? flicker : 0;
 
-        // Render
         const grad = ctx.createRadialGradient(f.x, f.y, 0, f.x, f.y, f.size * glowSizeMultiplier);
         grad.addColorStop(0, alpha(f.color, opacity));
         grad.addColorStop(0.4, alpha(f.color, opacity * 0.3));
@@ -243,44 +177,21 @@ const FirefliesBanner: React.FC<FirefliesBannerProps> = ({ username, palette, se
         ctx.arc(f.x, f.y, f.size * 0.5, 0, Math.PI * 2);
         ctx.fill();
       });
+    },
+    deps: [
+      seed,
+      brightColors,
+      count,
+      baseSpeed,
+      evasionRadius,
+      evasionStrength,
+      glowSizeMultiplier,
+      flickerSpeed,
+      theme,
+    ],
+  });
 
-      animationFrameId = requestAnimationFrame(draw);
-    };
-
-    draw();
-
-    return () => {
-      resizeObserver.disconnect();
-      window.removeEventListener('mousemove', handleMouseMove);
-      cancelAnimationFrame(animationFrameId);
-    };
-  }, [
-    seed,
-    brightColors,
-    count,
-    baseSpeed,
-    evasionRadius,
-    evasionStrength,
-    glowSizeMultiplier,
-    flickerSpeed,
-    theme,
-    gate,
-  ]);
-
-  return (
-    <canvas
-      ref={canvasRef}
-      style={{
-        position: 'absolute',
-        top: 0,
-        left: 0,
-        width: '100%',
-        height: '100%',
-        pointerEvents: 'none',
-        zIndex: 0,
-      }}
-    />
-  );
+  return <canvas ref={ref} style={CANVAS_STYLE} />;
 };
 
 export default FirefliesBanner;

frontend/src/components/banners/GenerativeBanner.tsx

@@ -0,0 +1,202 @@
+import React, { useMemo } from 'react';
+import { alpha, useTheme } from '@mui/material';
+import { CANVAS_STYLE, useCanvasBanner } from './useCanvasBanner';
+
+interface GenerativeBannerProps {
+  username: string;
+  palette: string[];
+  ratingsCount: number;
+  followersCount: number;
+  settings?: {
+    nodeCountBase?: number;
+    connectionDist?: number;
+    speed?: number;
+    opacity?: number;
+  };
+}
+
+interface Node {
+  x: number;
+  y: number;
+  vx: number;
+  vy: number;
+  baseX: number;
+  baseY: number;
+  color: string;
+  size: number;
+}
+
+const hashString = (str: string): number => {
+  let hash = 0;
+  for (let i = 0; i < str.length; i++) {
+    hash = str.charCodeAt(i) + ((hash << 5) - hash);
+  }
+  return hash;
+};
+
+const GenerativeBanner: React.FC<GenerativeBannerProps> = ({
+  username,
+  palette,
+  ratingsCount,
+  followersCount,
+  settings,
+}) => {
+  const theme = useTheme();
+
+  const nodeCountBase = settings?.nodeCountBase ?? 60;
+  const connectionDist = settings?.connectionDist ?? 140;
+  const speed = settings?.speed ?? 0.005;
+  const globalOpacity = settings?.opacity ?? 0.35;
+
+  const seed = useMemo(() => hashString(username), [username]);
+
+  const colors = useMemo(
+    () =>
+      palette.length >= 2
+        ? palette
+        : [theme.palette.primary.main, theme.palette.secondary.main, theme.palette.info.main],
+    [palette, theme],
+  );
+
+  const nodeCount = Math.min(nodeCountBase + Math.floor(ratingsCount * 1.5), 120);
+
+  const ref = useCanvasBanner<{ nodes: Node[] }>({
+    init: (width, height) => {
+      const pseudoRandom = (offset: number) => {
+        const x = Math.sin(seed + offset) * 10000;
+        return x - Math.floor(x);
+      };
+      const nodes: Node[] = [];
+      for (let i = 0; i < nodeCount; i++) {
+        const bx = pseudoRandom(i) * width;
+        const by = pseudoRandom(i + 100) * height;
+        nodes.push({
+          x: bx,
+          y: by,
+          baseX: bx,
+          baseY: by,
+          vx: 0,
+          vy: 0,
+          color: colors[i % colors.length],
+          size: 1 + pseudoRandom(i + 200) * 3,
+        });
+      }
+      return { nodes };
+    },
+    draw: ({ ctx, width, height, state, mouse }) => {
+      const { nodes } = state;
+      const pseudoRandom = (offset: number) => {
+        const x = Math.sin(seed + offset) * 10000;
+        return x - Math.floor(x);
+      };
+
+      ctx.clearRect(0, 0, width, height);
+
+      nodes.forEach((node) => {
+        const dxBase = node.baseX - node.x;
+        const dyBase = node.baseY - node.y;
+        node.vx += dxBase * speed;
+        node.vy += dyBase * speed;
+
+        const dxMouse = mouse.x - node.x;
+        const dyMouse = mouse.y - node.y;
+        const distMouse = Math.sqrt(dxMouse * dxMouse + dyMouse * dyMouse);
+
+        if (mouse.down) {
+          const dragDist = 300;
+          if (distMouse < dragDist) {
+            const power = (dragDist - distMouse) / dragDist;
+            node.vx += dxMouse * power * 0.08;
+            node.vy += dyMouse * power * 0.08;
+          }
+        } else {
+          const hoverDist = 150;
+          if (distMouse < hoverDist) {
+            const power = (hoverDist - distMouse) / hoverDist;
+            node.vx -= dxMouse * power * 0.02;
+            node.vy -= dyMouse * power * 0.02;
+          }
+        }
+
+        node.vx *= 0.88;
+        node.vy *= 0.88;
+        node.x += node.vx;
+        node.y += node.vy;
+      });
+
+      ctx.lineWidth = 1;
+
+      for (let i = 0; i < nodes.length; i++) {
+        let currentConnections = 0;
+        for (let j = i + 1; j < nodes.length && currentConnections < 6; j++) {
+          const dx = nodes[i].x - nodes[j].x;
+          const dy = nodes[i].y - nodes[j].y;
+          const dist = Math.sqrt(dx * dx + dy * dy);
+
+          if (dist < connectionDist) {
+            currentConnections++;
+            const opacity = (1 - dist / connectionDist) * globalOpacity;
+            ctx.beginPath();
+            ctx.moveTo(nodes[i].x, nodes[i].y);
+            ctx.lineTo(nodes[j].x, nodes[j].y);
+
+            const lineGrad = ctx.createLinearGradient(
+              nodes[i].x,
+              nodes[i].y,
+              nodes[j].x,
+              nodes[j].y,
+            );
+            lineGrad.addColorStop(0, alpha(nodes[i].color, opacity));
+            lineGrad.addColorStop(1, alpha(nodes[j].color, opacity));
+
+            ctx.strokeStyle = lineGrad;
+            ctx.stroke();
+
+            if (dist < connectionDist * 0.6 && pseudoRandom(i + j) > 0.92) {
+              for (let k = j + 1; k < nodes.length; k++) {
+                const d3x = nodes[i].x - nodes[k].x;
+                const d3y = nodes[i].y - nodes[k].y;
+                if (Math.sqrt(d3x * d3x + d3y * d3y) < connectionDist * 0.6) {
+                  ctx.beginPath();
+                  ctx.moveTo(nodes[i].x, nodes[i].y);
+                  ctx.lineTo(nodes[j].x, nodes[j].y);
+                  ctx.lineTo(nodes[k].x, nodes[k].y);
+                  ctx.closePath();
+                  ctx.fillStyle = alpha(nodes[i].color, 0.04);
+                  ctx.fill();
+                  break;
+                }
+              }
+            }
+          }
+        }
+      }
+
+      nodes.forEach((node) => {
+        ctx.beginPath();
+        ctx.arc(node.x, node.y, node.size, 0, Math.PI * 2);
+        ctx.fillStyle = node.color;
+        ctx.fill();
+
+        ctx.beginPath();
+        ctx.arc(node.x, node.y, node.size * 2.5, 0, Math.PI * 2);
+        ctx.fillStyle = alpha(node.color, 0.15);
+        ctx.fill();
+      });
+    },
+    observeTouch: true,
+    deps: [seed, colors, followersCount, theme, nodeCount, connectionDist, speed, globalOpacity],
+  });
+
+  return (
+    <canvas
+      ref={ref}
+      style={{
+        ...CANVAS_STYLE,
+        mixBlendMode: theme.palette.mode === 'light' ? 'multiply' : 'screen',
+      }}
+    />
+  );
+};
+
+export default GenerativeBanner;

frontend/src/components/banners/GenerativeFlowBanner.tsx

@@ -1,6 +1,6 @@
-import React, { useRef, useEffect, useMemo } from 'react';
+import React, { useMemo } from 'react';
 import { alpha, useTheme } from '@mui/material';
-import { useBannerFrameGate } from './BannerPerformanceWrapper';
+import { CANVAS_STYLE, useCanvasBanner } from './useCanvasBanner';
 
 interface GenerativeFlowProps {
   username: string;
@@ -16,10 +16,29 @@ interface GenerativeFlowProps {
   };
 }
 
+interface Blob {
+  x: number;
+  y: number;
+  ox: number;
+  oy: number;
+  vx: number;
+  vy: number;
+  size: number;
+  color: string;
+  phase: number;
+  speedFactor: number;
+}
+
+const hashString = (str: string): number => {
+  let hash = 0;
+  for (let i = 0; i < str.length; i++) {
+    hash = str.charCodeAt(i) + ((hash << 5) - hash);
+  }
+  return hash;
+};
+
 const GenerativeFlowBanner: React.FC<GenerativeFlowProps> = ({ username, palette, settings }) => {
-  const canvasRef = useRef<HTMLCanvasElement>(null);
   const theme = useTheme();
-  const gate = useBannerFrameGate();
 
   const blobCount = settings?.blobCount ?? 8;
   const flowSpeed = settings?.flowSpeed ?? 0.008;
@@ -27,15 +46,7 @@ const GenerativeFlowBanner: React.FC<GenerativeFlowProps> = ({ username, palette
   const blurAmount = settings?.blur ?? 60;
   const distortionFactor = settings?.distortion ?? 1.2;
 
-  const getSeed = (str: string) => {
-    let hash = 0;
-    for (let i = 0; i < str.length; i++) {
-      hash = str.charCodeAt(i) + ((hash << 5) - hash);
-    }
-    return hash;
-  };
-
-  const seed = useMemo(() => getSeed(username), [username]);
+  const seed = useMemo(() => hashString(username), [username]);
 
   const brightColors = useMemo(() => {
     const colors =
@@ -52,42 +63,17 @@ const GenerativeFlowBanner: React.FC<GenerativeFlowProps> = ({ username, palette
     return sorted.slice(0, 4);
   }, [palette, theme]);
 
-  useEffect(() => {
-    const canvas = canvasRef.current;
-    if (!canvas) return;
-
-    const ctx = canvas.getContext('2d', { alpha: true });
-    if (!ctx) return;
-
-    let animationFrameId: number;
-    let time = 0;
-
-    interface Blob {
-      x: number;
-      y: number;
-      ox: number;
-      oy: number;
-      vx: number;
-      vy: number;
-      size: number;
-      color: string;
-      phase: number;
-      speedFactor: number;
-    }
-
-    let blobs: Blob[] = [];
-
-    const pseudoRandom = (offset: number) => {
-      const x = Math.sin(seed + offset) * 10000;
-      return x - Math.floor(x);
-    };
-
-    const initBlobs = (width: number, height: number) => {
-      const newBlobs = [];
+  const ref = useCanvasBanner<{ blobs: Blob[]; time: number }>({
+    init: (width, height) => {
+      const pseudoRandom = (offset: number) => {
+        const x = Math.sin(seed + offset) * 10000;
+        return x - Math.floor(x);
+      };
+      const blobs: Blob[] = [];
       for (let i = 0; i < blobCount; i++) {
         const rx = pseudoRandom(i) * width;
         const ry = pseudoRandom(i + 500) * height;
-        newBlobs.push({
+        blobs.push({
           x: rx,
           y: ry,
           ox: rx,
@@ -100,59 +86,15 @@ const GenerativeFlowBanner: React.FC<GenerativeFlowProps> = ({ username, palette
           speedFactor: 0.5 + pseudoRandom(i + 2000),
         });
       }
-      return newBlobs;
-    };
-
-    const resize = () => {
-      const parent = canvas.parentElement;
-      if (parent) {
-        const rect = parent.getBoundingClientRect();
-        const dpr = window.devicePixelRatio || 1;
-        canvas.width = rect.width * dpr;
-        canvas.height = rect.height * dpr;
-        ctx.scale(dpr, dpr);
-        canvas.style.width = `${rect.width}px`;
-        canvas.style.height = `${rect.height}px`;
-        blobs = initBlobs(rect.width, rect.height);
-      }
-    };
-
-    const resizeObserver = new ResizeObserver(() => resize());
-    if (canvas.parentElement) resizeObserver.observe(canvas.parentElement);
-    resize();
-
-    const mouse = { x: -1000, y: -1000 };
-    const handleMouseMove = (e: MouseEvent) => {
-      const rect = canvas.getBoundingClientRect();
-      const x = e.clientX - rect.left;
-      const y = e.clientY - rect.top;
-      if (x < 0 || y < 0 || x > rect.width || y > rect.height) {
-        mouse.x = -1000;
-        mouse.y = -1000;
-      } else {
-        mouse.x = x;
-        mouse.y = y;
-      }
-    };
-    window.addEventListener('mousemove', handleMouseMove);
-
-    const draw = (now = 0) => {
-      const decision = gate(now);
-      if (decision === 'halt') return;
-      if (decision === 'skip') {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
-      const width = canvas.width / (window.devicePixelRatio || 1);
-      const height = canvas.height / (window.devicePixelRatio || 1);
-      if (!width || !height) {
-        animationFrameId = requestAnimationFrame(draw);
-        return;
-      }
+      return { blobs, time: 0 };
+    },
+    draw: ({ ctx, width, height, state, mouse }) => {
+      const { blobs } = state;
+      state.time += flowSpeed;
+      const time = state.time;
 
       ctx.clearRect(0, 0, width, height);
 
-      // Background Base
       const isLight = theme.palette.mode === 'light';
       const bgGrad = ctx.createRadialGradient(
         width / 2,
@@ -163,7 +105,6 @@ const GenerativeFlowBanner: React.FC<GenerativeFlowProps> = ({ username, palette
         width,
       );
       if (isLight) {
-        // For light themes, use a deeper, more saturated version of the theme color
         bgGrad.addColorStop(
           0,
           alpha(brightColors[brightColors.length - 1] || brightColors[0], 0.6),
@@ -179,18 +120,13 @@ const GenerativeFlowBanner: React.FC<GenerativeFlowProps> = ({ username, palette
       ctx.fillStyle = bgGrad;
       ctx.fillRect(0, 0, width, height);
 
-      time += flowSpeed;
-
-      // Apply filter for "Liquid" look
       ctx.filter = `blur(${blurAmount}px)`;
       ctx.globalCompositeOperation = 'screen';
 
       blobs.forEach((b) => {
-        // Harmonic autonomous drift
         const driftX = Math.sin(time * b.speedFactor + b.phase) * (width / 5);
         const driftY = Math.cos(time * 0.8 * b.speedFactor + b.phase) * (height / 5);
 
-        // Mouse distortion
         const dxMouse = mouse.x - b.ox;
         const dyMouse = mouse.y - b.oy;
         const distMouse = Math.sqrt(dxMouse * dxMouse + dyMouse * dyMouse);
@@ -202,7 +138,6 @@ const GenerativeFlowBanner: React.FC<GenerativeFlowProps> = ({ username, palette
         b.x = b.ox + driftX + mX;
         b.y = b.oy + driftY + mY;
 
-        // Pulsing size
         const pulse = 1 + Math.sin(time + b.phase) * 0.1;
         const currentSize = b.size * pulse;
 
@@ -218,43 +153,11 @@ const GenerativeFlowBanner: React.FC<GenerativeFlowProps> = ({ username, palette
 
       ctx.filter = 'none';
       ctx.globalCompositeOperation = 'source-over';
+    },
+    deps: [seed, brightColors, blobCount, flowSpeed, vibrancy, blurAmount, distortionFactor, theme],
+  });
 
-      animationFrameId = requestAnimationFrame(draw);
-    };
-
-    draw();
-
-    return () => {
-      resizeObserver.disconnect();
-      window.removeEventListener('mousemove', handleMouseMove);
-      cancelAnimationFrame(animationFrameId);
-    };
-  }, [
-    seed,
-    brightColors,
-    blobCount,
-    flowSpeed,
-    vibrancy,
-    blurAmount,
-    distortionFactor,
-    theme,
-    gate,
-  ]);
-
-  return (
-    <canvas
-      ref={canvasRef}
-      style={{
-        position: 'absolute',
-        top: 0,
-        left: 0,
-        width: '100%',
-        height: '100%',
-        pointerEvents: 'none',
-        zIndex: 0,
-      }}
-    />
-  );
+  return <canvas ref={ref} style={CANVAS_STYLE} />;
 };
 
 export default GenerativeFlowBanner;

frontend/src/components/banners/HextechBanner.tsx

@@ -0,0 +1,199 @@
+import React, { useMemo } from 'react';
+import { alpha, useTheme } from '@mui/material';
+import { CANVAS_STYLE, useCanvasBanner } from './useCanvasBanner';
+
+interface HextechBannerProps {
+  username: string;
+  palette: string[];
+  ratingsCount: number;
+  followersCount: number;
+  settings?: {
+    gridSize?: number;
+    pulseSpeed?: number;
+    glowIntensity?: number;
+    streamCount?: number;
+    distortion?: number;
+  };
+}
+
+interface Stream {
+  segments: { x: number; y: number }[];
+  color: string;
+  life: number;
+  speed: number;
+}
+
+const hashString = (str: string): number => {
+  let hash = 0;
+  for (let i = 0; i < str.length; i++) {
+    hash = str.charCodeAt(i) + ((hash << 5) - hash);
+  }
+  return hash;
+};
+
+const HextechBanner: React.FC<HextechBannerProps> = ({ username, palette, settings }) => {
+  const theme = useTheme();
+
+  const gridSize = settings?.gridSize ?? 40;
+  const pulseSpeed = settings?.pulseSpeed ?? 0.02;
+  const glowIntensity = settings?.glowIntensity ?? 0.8;
+  const streamCount = settings?.streamCount ?? 12;
+  const distortionFactor = settings?.distortion ?? 0.5;
+
+  const seed = useMemo(() => hashString(username), [username]);
+
+  const brightColors = useMemo(() => {
+    const colors =
+      palette.length >= 2
+        ? palette
+        : [theme.palette.primary.main, theme.palette.secondary.main, theme.palette.info.main];
+    const getBrightness = (hex: string) => {
+      const r = parseInt(hex.slice(1, 3), 16) || 0;
+      const g = parseInt(hex.slice(3, 5), 16) || 0;
+      const b = parseInt(hex.slice(5, 7), 16) || 0;
+      return (r * 299 + g * 587 + b * 114) / 1000;
+    };
+    const sorted = [...colors].sort((a, b) => getBrightness(b) - getBrightness(a));
+    return sorted.slice(0, 3);
+  }, [palette, theme]);
+
+  const ref = useCanvasBanner<{ streams: Stream[]; time: number }>({
+    init: () => ({ streams: [], time: 0 }),
+    draw: ({ ctx, width, height, state, mouse }) => {
+      state.time += pulseSpeed;
+      const time = state.time;
+
+      const pseudoRandom = (offset: number) => {
+        const x = Math.sin(seed + offset) * 10000;
+        return x - Math.floor(x);
+      };
+
+      const drawHexagon = (x: number, y: number, r: number, tilt: number) => {
+        ctx.beginPath();
+        for (let i = 0; i < 6; i++) {
+          const angle = (Math.PI / 3) * i + tilt;
+          const px = x + r * Math.cos(angle);
+          const py = y + r * Math.sin(angle);
+          if (i === 0) ctx.moveTo(px, py);
+          else ctx.lineTo(px, py);
+        }
+        ctx.closePath();
+      };
+
+      ctx.clearRect(0, 0, width, height);
+
+      const isLight = theme.palette.mode === 'light';
+      const bgGrad = ctx.createRadialGradient(
+        width / 2,
+        height / 2,
+        0,
+        width / 2,
+        height / 2,
+        width,
+      );
+      if (isLight) {
+        bgGrad.addColorStop(0, alpha(brightColors[2] || brightColors[0], 0.65));
+        bgGrad.addColorStop(1, alpha(brightColors[2] || brightColors[0], 0.95));
+      } else {
+        bgGrad.addColorStop(0, '#0a051a');
+        bgGrad.addColorStop(1, '#020105');
+      }
+      ctx.fillStyle = bgGrad;
+      ctx.fillRect(0, 0, width, height);
+
+      ctx.lineWidth = 1;
+      const h = gridSize * Math.sqrt(3);
+      const w = gridSize * 2;
+
+      for (let y = -gridSize; y < height + gridSize; y += h / 2) {
+        for (let x = -gridSize; x < width + gridSize; x += w * 0.75) {
+          const xOffset = Math.floor(y / (h / 2)) % 2 === 0 ? 0 : w * 0.375;
+          const finalX = x + xOffset;
+          const finalY = y;
+
+          const dist = Math.sqrt(Math.pow(finalX - mouse.x, 2) + Math.pow(finalY - mouse.y, 2));
+          const mouseImpact = Math.max(0, (200 - dist) / 200) * (mouse.down ? 2 : 1);
+
+          const dx =
+            Math.sin(time + finalX * 0.01) * gridSize * distortionFactor * (1 + mouseImpact);
+          const dy =
+            Math.cos(time + finalY * 0.01) * gridSize * distortionFactor * (1 + mouseImpact);
+
+          const drawX = finalX + dx;
+          const drawY = finalY + dy;
+
+          const pulseVal = 0.1 + Math.sin(time * 2 + (finalX + finalY) * 0.005) * 0.1;
+          const opacity = (0.1 + pulseVal + mouseImpact * 0.3) * glowIntensity;
+
+          ctx.strokeStyle = alpha(brightColors[0], opacity);
+          drawHexagon(drawX, drawY, gridSize * 0.9, time * 0.1);
+          ctx.stroke();
+
+          if (pseudoRandom(Math.floor(finalX) + Math.floor(finalY)) > 0.92) {
+            ctx.fillStyle = alpha(brightColors[1], opacity * 0.5);
+            ctx.font = `${gridSize * 0.5}px serif`;
+            ctx.fillText('⚡', drawX - 5, drawY + 5);
+          }
+        }
+      }
+
+      if (state.streams.length < streamCount && Math.random() > 0.9) {
+        const color = brightColors[Math.floor(pseudoRandom(time) * brightColors.length)];
+        state.streams.push({
+          segments: [{ x: pseudoRandom(time + 1) * width, y: pseudoRandom(time + 2) * height }],
+          color,
+          life: 1.0,
+          speed: 2 + pseudoRandom(time + 3) * 4,
+        });
+      }
+
+      ctx.globalCompositeOperation = 'screen';
+      state.streams.forEach((s, idx) => {
+        s.life -= 0.005;
+        const last = s.segments[s.segments.length - 1];
+
+        const ang = pseudoRandom(time + idx) * Math.PI * 2;
+        const nextX = last.x + Math.cos(ang) * s.speed;
+        const nextY = last.y + Math.sin(ang) * s.speed;
+
+        s.segments.push({ x: nextX, y: nextY });
+        if (s.segments.length > 20) s.segments.shift();
+
+        ctx.beginPath();
+        ctx.strokeStyle = alpha(s.color, s.life * glowIntensity);
+        ctx.lineWidth = 2;
+        s.segments.forEach((seg, i) => {
+          if (i === 0) ctx.moveTo(seg.x, seg.y);
+          else ctx.lineTo(seg.x, seg.y);
+        });
+        ctx.stroke();
+
+        const head = s.segments[s.segments.length - 1];
+        const g = ctx.createRadialGradient(head.x, head.y, 0, head.x, head.y, 15);
+        g.addColorStop(0, alpha(s.color, s.life));
+        g.addColorStop(1, alpha(s.color, 0));
+        ctx.fillStyle = g;
+        ctx.beginPath();
+        ctx.arc(head.x, head.y, 15, 0, Math.PI * 2);
+        ctx.fill();
+      });
+      ctx.globalCompositeOperation = 'source-over';
+
+      state.streams = state.streams.filter((s) => s.life > 0);
+    },
+    deps: [
+      seed,
+      brightColors,
+      gridSize,
+      pulseSpeed,
+      glowIntensity,
+      streamCount,
+      distortionFactor,
+      theme,
+    ],
+  });
+
+  return <canvas ref={ref} style={CANVAS_STYLE} />;
+};
+
+export default HextechBanner;

frontend/src/components/banners/HextechCorruptionBanner.tsx

@@ -0,0 +1,190 @@
+import React, { useMemo } from 'react';
+import { alpha, useTheme } from '@mui/material';
+import { CANVAS_STYLE, useCanvasBanner } from './useCanvasBanner';
+
+interface HextechCorruptionBannerProps {
+  username: string;
+  palette: string[];
+  ratingsCount: number;
+  followersCount: number;
+  settings?: {
+    cellCount?: number;
+    shimmerSpeed?: number;
+    glowIntensity?: number;
+    instability?: number;
+    shellDarkness?: number;
+  };
+}
+
+interface ControlPoint {
+  x: number;
+  y: number;
+  ox: number;
+  oy: number;
+  vx: number;
+  vy: number;
+  phase: number;
+  color: string;
+}
+
+const hashString = (str: string): number => {
+  let hash = 0;
+  for (let i = 0; i < str.length; i++) {
+    hash = str.charCodeAt(i) + ((hash << 5) - hash);
+  }
+  return hash;
+};
+
+const HextechCorruptionBanner: React.FC<HextechCorruptionBannerProps> = ({
+  username,
+  palette,
+  settings,
+}) => {
+  const theme = useTheme();
+
+  const cellCount = settings?.cellCount ?? 40;
+  const shimmerSpeed = settings?.shimmerSpeed ?? 0.015;
+  const glowIntensity = settings?.glowIntensity ?? 0.9;
+  const instability = settings?.instability ?? 0.6;
+  const shellDarkness = settings?.shellDarkness ?? 0.85;
+
+  const seed = useMemo(() => hashString(username), [username]);
+
+  const brightColors = useMemo(() => {
+    const colors =
+      palette.length >= 2
+        ? palette
+        : [theme.palette.primary.main, theme.palette.secondary.main, theme.palette.info.main];
+    const getBrightness = (hex: string) => {
+      const r = parseInt(hex.slice(1, 3), 16) || 0;
+      const g = parseInt(hex.slice(3, 5), 16) || 0;
+      const b = parseInt(hex.slice(5, 7), 16) || 0;
+      return (r * 299 + g * 587 + b * 114) / 1000;
+    };
+    const sorted = [...colors].sort((a, b) => getBrightness(b) - getBrightness(a));
+    return sorted.slice(0, 3);
+  }, [palette, theme]);
+
+  const ref = useCanvasBanner<{ points: ControlPoint[]; time: number }>({
+    init: (width, height) => {
+      const pseudoRandom = (offset: number) => {
+        const x = Math.sin(seed + offset) * 10000;
+        return x - Math.floor(x);
+      };
+      const points: ControlPoint[] = [];
+      for (let i = 0; i < cellCount; i++) {
+        const rx = pseudoRandom(i) * width;
+        const ry = pseudoRandom(i + 500) * height;
+        points.push({
+          x: rx,
+          y: ry,
+          ox: rx,
+          oy: ry,
+          vx: 0,
+          vy: 0,
+          phase: pseudoRandom(i + 1000) * Math.PI * 2,
+          color: brightColors[i % brightColors.length],
+        });
+      }
+      return { points, time: 0 };
+    },
+    draw: ({ ctx, width, height, state, mouse }) => {
+      const { points } = state;
+      state.time += shimmerSpeed;
+      const time = state.time;
+
+      ctx.clearRect(0, 0, width, height);
+
+      ctx.globalCompositeOperation = 'source-over';
+      points.forEach((p) => {
+        const dxMouse = mouse.x - p.x;
+        const dyMouse = mouse.y - p.y;
+        const distMouse = Math.sqrt(dxMouse * dxMouse + dyMouse * dyMouse);
+        const mouseForce = Math.max(0, (300 - distMouse) / 300);
+
+        const driftX = Math.sin(time + p.phase) * 20 * instability;
+        const driftY = Math.cos(time * 0.8 + p.phase) * 20 * instability;
+
+        p.x = p.ox + driftX + (mouse.down ? -dxMouse * mouseForce * 0.5 : 0);
+        p.y = p.oy + driftY + (mouse.down ? -dyMouse * mouseForce * 0.5 : 0);
+
+        const pulse = 0.7 + Math.sin(time * 3 + p.phase) * 0.3;
+        const glowSize = 60 + mouseForce * 40;
+
+        const grad = ctx.createRadialGradient(p.x, p.y, 0, p.x, p.y, glowSize);
+        grad.addColorStop(0, alpha(p.color, 0.8 * glowIntensity * pulse));
+        grad.addColorStop(0.5, alpha(p.color, 0.3 * glowIntensity));
+        grad.addColorStop(1, alpha(p.color, 0));
+
+        ctx.fillStyle = grad;
+        ctx.beginPath();
+        ctx.arc(p.x, p.y, glowSize, 0, Math.PI * 2);
+        ctx.fill();
+      });
+
+      ctx.globalCompositeOperation = 'source-over';
+
+      const offCanvas = document.createElement('canvas');
+      const dpr = window.devicePixelRatio || 1;
+      offCanvas.width = width * dpr;
+      offCanvas.height = height * dpr;
+      const offCtx = offCanvas.getContext('2d');
+      if (offCtx) {
+        offCtx.scale(dpr, dpr);
+
+        const shellColor =
+          theme.palette.mode === 'light'
+            ? alpha('#1a0a2a', shellDarkness)
+            : alpha('#05020a', shellDarkness);
+        offCtx.fillStyle = shellColor;
+        offCtx.fillRect(0, 0, width, height);
+
+        offCtx.globalCompositeOperation = 'destination-out';
+        points.forEach((p) => {
+          const holeSize = 15 + Math.sin(time + p.phase) * 5 + instability * 10;
+
+          offCtx.beginPath();
+          offCtx.arc(p.x, p.y, holeSize, 0, Math.PI * 2);
+          offCtx.fill();
+
+          for (let j = 0; j < 3; j++) {
+            const angle = p.phase + j * Math.PI * 0.6;
+            const hx = p.x + Math.cos(angle) * (holeSize * 1.5);
+            const hy = p.y + Math.sin(angle) * (holeSize * 1.5);
+            offCtx.beginPath();
+            offCtx.arc(hx, hy, holeSize * 0.4, 0, Math.PI * 2);
+            offCtx.fill();
+          }
+        });
+
+        ctx.drawImage(offCanvas, 0, 0, width, height);
+      }
+
+      ctx.globalCompositeOperation = 'screen';
+      ctx.lineWidth = 2;
+      points.forEach((p) => {
+        const pulse = 0.5 + Math.sin(time * 2 + p.phase) * 0.5;
+        ctx.strokeStyle = alpha(p.color, pulse * 0.4);
+        ctx.beginPath();
+        ctx.arc(p.x, p.y, 20 + pulse * 5, 0, Math.PI * 2);
+        ctx.stroke();
+      });
+
+      ctx.globalCompositeOperation = 'source-over';
+    },
+    deps: [
+      seed,
+      brightColors,
+      cellCount,
+      shimmerSpeed,
+      glowIntensity,
+      instability,
+      shellDarkness,
+      theme,
+    ],
+  });
+
+  return <canvas ref={ref} style={CANVAS_STYLE} />;
+};
+
+export default HextechCorruptionBanner;

frontend/src/components/banners/MatrixBanner.tsx

@@ -0,0 +1,55 @@
+import React, { useState } from 'react';
+
+interface MatrixBannerProps {
+  username: string;
+  palette: string[];
+  ratingsCount: number;
+  followersCount: number;
+  settings?: { opacity?: number };
+}
+
+const MatrixBanner: React.FC<MatrixBannerProps> = ({ username, settings }) => {
+  const [durations] = useState(() => Array.from({ length: 20 }, () => 2 + Math.random() * 3));
+  return (
+    <div
+      style={{
+        position: 'absolute',
+        top: 0,
+        left: 0,
+        width: '100%',
+        height: '100%',
+        background: 'rgba(0,0,0,0.8)',
+        color: '#0f0',
+        display: 'flex',
+        alignItems: 'center',
+        justifyContent: 'center',
+        fontFamily: 'monospace',
+        zIndex: 0,
+        overflow: 'hidden',
+        opacity: settings?.opacity || 0.5,
+      }}
+    >
+      <div>
+        {durations.map((dur, i) => (
+          <div key={i} style={{ animation: `matrixFall ${dur}s linear infinite` }}>
+            {username.split('').map((char, j) => (
+              <span key={j} style={{ display: 'block' }}>
+                {char}
+              </span>
+            ))}
+          </div>
+        ))}
+      </div>
+      <style>
+        {`
+          @keyframes matrixFall {
+            0% { transform: translateY(-100%); }
+            100% { transform: translateY(100%); }
+          }
+        `}
+      </style>
+    </div>
+  );
+};
+
+export default MatrixBanner;

frontend/src/components/banners/NebulaBanner.tsx

@@ -0,0 +1,237 @@
+import React, { useMemo } from 'react';
+import { alpha, useTheme } from '@mui/material';
+import { CANVAS_STYLE, useCanvasBanner } from './useCanvasBanner';
+
+interface NebulaBannerProps {
+  username: string;
+  palette: string[];
+  ratingsCount: number;
+  followersCount: number;
+  settings?: {
+    particleCount?: number;
+    speed?: number;
+    opacity?: number;
+    smearRadius?: number;
+    turbulence?: number;
+    returnSpeed?: number;
+    starDensity?: number;
+  };
+}
+
+interface Particle {
+  x: number;
+  y: number;
+  baseX: number;
+  baseY: number;
+  vx: number;
+  vy: number;
+  size: number;
+  color: string;
+  alpha: number;
+  targetAlpha: number;
+  phase: number;
+}
+
+interface Star {
+  x: number;
+  y: number;
+  size: number;
+  opacity: number;
+}
+
+const hashString = (str: string): number => {
+  let hash = 0;
+  for (let i = 0; i < str.length; i++) {
+    hash = str.charCodeAt(i) + ((hash << 5) - hash);
+  }
+  return hash;
+};
+
+const NebulaBanner: React.FC<NebulaBannerProps> = ({
+  username,
+  palette,
+  ratingsCount,
+  followersCount,
+  settings,
+}) => {
+  const theme = useTheme();
+
+  const particleCount = settings?.particleCount ?? 400;
+  const speed = settings?.speed ?? 0.0015;
+  const globalOpacity = settings?.opacity ?? 0.6;
+  const smearRadius = settings?.smearRadius ?? 120;
+  const turbulenceStrength = settings?.turbulence ?? 0.4;
+  const returnSpeed = settings?.returnSpeed ?? 0.004;
+  const starDensity = settings?.starDensity ?? 150;
+
+  const seed = useMemo(() => hashString(username), [username]);
+
+  const colors = useMemo(
+    () =>
+      palette.length >= 2
+        ? palette
+        : [theme.palette.primary.main, theme.palette.secondary.main, theme.palette.info.main],
+    [palette, theme],
+  );
+
+  const ref = useCanvasBanner<{ stars: Star[]; particles: Particle[]; time: number }>({
+    init: (width, height) => {
+      const pseudoRandom = (offset: number) => {
+        const x = Math.sin(seed + offset) * 10000;
+        return x - Math.floor(x);
+      };
+
+      const stars: Star[] = [];
+      for (let i = 0; i < starDensity; i++) {
+        stars.push({
+          x: pseudoRandom(i + 5000) * width,
+          y: pseudoRandom(i + 6000) * height,
+          size: pseudoRandom(i + 7000) * 1.5,
+          opacity: 0.1 + pseudoRandom(i + 8000) * 0.5,
+        });
+      }
+
+      const clusterCount = colors.length * 3;
+      const groupCenters = Array.from({ length: clusterCount }).map((_, i) => ({
+        x: (pseudoRandom(i * 15) * 0.8 + 0.1) * width,
+        y: (pseudoRandom(i * 25 + 7) * 0.8 + 0.1) * height,
+      }));
+
+      const particles: Particle[] = [];
+      for (let i = 0; i < particleCount; i++) {
+        const clusterIdx = i % clusterCount;
+        const colorIdx = clusterIdx % colors.length;
+        const center = groupCenters[clusterIdx];
+        const angle = pseudoRandom(i + 100) * Math.PI * 2;
+        const dist = pseudoRandom(i + 200) * (width * 0.12);
+        const bx = center.x + Math.cos(angle) * dist;
+        const by = center.y + Math.sin(angle) * dist;
+
+        particles.push({
+          x: bx,
+          y: by,
+          baseX: bx,
+          baseY: by,
+          vx: 0,
+          vy: 0,
+          size: 40 + pseudoRandom(i + 300) * 80,
+          color: colors[colorIdx],
+          alpha: 0,
+          targetAlpha: 0.05 + pseudoRandom(i + 400) * 0.15,
+          phase: pseudoRandom(i + 500) * Math.PI * 2,
+        });
+      }
+
+      return { stars, particles, time: 0 };
+    },
+    draw: ({ ctx, width, height, state, mouse }) => {
+      const { stars, particles } = state;
+      ctx.clearRect(0, 0, width, height);
+
+      const isLight = theme.palette.mode === 'light';
+      const skyGrad = ctx.createRadialGradient(
+        width / 2,
+        height / 2,
+        0,
+        width / 2,
+        height / 2,
+        width,
+      );
+
+      if (isLight) {
+        skyGrad.addColorStop(0, alpha(colors[colors.length - 1], 0.7));
+        skyGrad.addColorStop(0.5, alpha(colors[colors.length - 1], 0.9));
+        skyGrad.addColorStop(1, alpha(colors[colors.length - 1], 1.0));
+      } else {
+        skyGrad.addColorStop(0, '#1a1a3a');
+        skyGrad.addColorStop(0.5, '#0a0a1a');
+        skyGrad.addColorStop(1, '#050508');
+      }
+
+      ctx.fillStyle = skyGrad;
+      ctx.fillRect(0, 0, width, height);
+
+      ctx.fillStyle = '#fff';
+      stars.forEach((s) => {
+        ctx.globalAlpha = s.opacity * (0.7 + Math.sin(state.time * 2 + s.x) * 0.3);
+        ctx.beginPath();
+        ctx.arc(s.x, s.y, s.size, 0, Math.PI * 2);
+        ctx.fill();
+      });
+      ctx.globalAlpha = 1.0;
+
+      state.time += speed;
+      const time = state.time;
+
+      particles.forEach((p) => {
+        const dxBase = p.baseX - p.x;
+        const dyBase = p.baseY - p.y;
+        p.vx += dxBase * returnSpeed;
+        p.vy += dyBase * returnSpeed;
+
+        const dx = mouse.x - p.x;
+        const dy = mouse.y - p.y;
+        const dist = Math.sqrt(dx * dx + dy * dy);
+
+        if (dist < smearRadius) {
+          const force = (smearRadius - dist) / smearRadius;
+          if (mouse.down) {
+            const angle = Math.atan2(dy, dx);
+            p.vx += Math.cos(angle + Math.PI / 2) * turbulenceStrength * 2;
+            p.vy += Math.sin(angle + Math.PI / 2) * turbulenceStrength * 2;
+          } else {
+            const mdx = mouse.x - mouse.px;
+            const mdy = mouse.y - mouse.py;
+            p.vx += mdx * force * 0.15;
+            p.vy += mdy * force * 0.15;
+            p.vx -= (dx / dist) * force * 0.8;
+            p.vy -= (dy / dist) * force * 0.8;
+          }
+        }
+
+        p.vx += Math.sin(time + p.phase) * 0.03;
+        p.vy += Math.cos(time * 0.8 + p.phase) * 0.03;
+
+        p.vx *= 0.95;
+        p.vy *= 0.95;
+        p.x += p.vx;
+        p.y += p.vy;
+
+        if (p.alpha < p.targetAlpha) p.alpha += 0.001;
+
+        const grad = ctx.createRadialGradient(p.x, p.y, 0, p.x, p.y, p.size);
+        const colorAlpha = p.alpha * globalOpacity;
+        grad.addColorStop(0, alpha(p.color, colorAlpha));
+        grad.addColorStop(0.6, alpha(p.color, colorAlpha * 0.2));
+        grad.addColorStop(1, alpha(p.color, 0));
+
+        ctx.fillStyle = grad;
+        ctx.globalCompositeOperation = 'screen';
+        ctx.beginPath();
+        ctx.arc(p.x, p.y, p.size, 0, Math.PI * 2);
+        ctx.fill();
+      });
+
+      ctx.globalCompositeOperation = 'source-over';
+    },
+    trackPrev: true,
+    deps: [
+      seed,
+      colors,
+      ratingsCount,
+      followersCount,
+      theme,
+      particleCount,
+      speed,
+      globalOpacity,
+      smearRadius,
+      turbulenceStrength,
+      returnSpeed,
+      starDensity,
+    ],
+  });
+
+  return <canvas ref={ref} style={CANVAS_STYLE} />;
+};
+
+export default NebulaBanner;

frontend/src/components/banners/index.ts

@@ -0,0 +1,10 @@
+export { default as FirefliesBanner } from './FirefliesBanner';
+export { default as GenerativeBanner } from './GenerativeBanner';
+export { default as GenerativeFlowBanner } from './GenerativeFlowBanner';
+export { default as HextechBanner } from './HextechBanner';
+export { default as HextechCorruptionBanner } from './HextechCorruptionBanner';
+export { default as MatrixBanner } from './MatrixBanner';
+export { default as NebulaBanner } from './NebulaBanner';
+export { BannerPerformanceWrapper, useBannerFrameGate } from './BannerPerformanceWrapper';
+export { useCanvasBanner, CANVAS_STYLE } from './useCanvasBanner';
+export type { CanvasMouse, DrawArgs, UseCanvasBannerOptions } from './useCanvasBanner';

frontend/src/components/banners/useCanvasBanner.test.tsx

@@ -0,0 +1,158 @@
+import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
+import { act, render } from '@testing-library/react';
+import { BannerPerformanceWrapper } from './BannerPerformanceWrapper';
+import { CANVAS_STYLE, useCanvasBanner } from './useCanvasBanner';
+
+type ROCallback = (entries: ResizeObserverEntry[]) => void;
+
+let roCallback: ROCallback | null = null;
+let roObserveMock = vi.fn();
+let roDisconnectMock = vi.fn();
+
+class FakeResizeObserver {
+  constructor(cb: ROCallback) {
+    roCallback = cb;
+  }
+  observe = roObserveMock;
+  disconnect = roDisconnectMock;
+  unobserve = vi.fn();
+}
+
+class FakeIntersectionObserver {
+  constructor() {}
+  observe = vi.fn();
+  disconnect = vi.fn();
+  unobserve = vi.fn();
+  takeRecords = () => [];
+  root = null;
+  rootMargin = '';
+  thresholds = [];
+}
+
+let rafCallbacks: FrameRequestCallback[] = [];
+const flushRaf = () => {
+  const cbs = rafCallbacks;
+  rafCallbacks = [];
+  cbs.forEach((cb) => cb(performance.now()));
+};
+
+beforeEach(() => {
+  roCallback = null;
+  roObserveMock = vi.fn();
+  roDisconnectMock = vi.fn();
+  rafCallbacks = [];
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  (globalThis as any).ResizeObserver = FakeResizeObserver;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  (globalThis as any).IntersectionObserver = FakeIntersectionObserver;
+  Object.defineProperty(window, 'matchMedia', {
+    configurable: true,
+    writable: true,
+    value: () => ({
+      matches: false,
+      media: '',
+      onchange: null,
+      addListener: vi.fn(),
+      removeListener: vi.fn(),
+      addEventListener: vi.fn(),
+      removeEventListener: vi.fn(),
+      dispatchEvent: vi.fn(),
+    }),
+  });
+  vi.spyOn(window, 'requestAnimationFrame').mockImplementation((cb) => {
+    rafCallbacks.push(cb);
+    return rafCallbacks.length;
+  });
+  vi.spyOn(window, 'cancelAnimationFrame').mockImplementation(() => {});
+  vi.spyOn(HTMLElement.prototype, 'getBoundingClientRect').mockReturnValue({
+    width: 200,
+    height: 100,
+    top: 0,
+    left: 0,
+    right: 200,
+    bottom: 100,
+    x: 0,
+    y: 0,
+    toJSON: () => ({}),
+  });
+  // jsdom doesn't implement Canvas 2D — stub it.
+  vi.spyOn(HTMLCanvasElement.prototype, 'getContext').mockImplementation(
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    () =>
+      ({
+        scale: vi.fn(),
+        setTransform: vi.fn(),
+      }) as any,
+  );
+});
+
+afterEach(() => {
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  delete (globalThis as any).ResizeObserver;
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  delete (globalThis as any).IntersectionObserver;
+  vi.restoreAllMocks();
+});
+
+const Harness = ({
+  init,
+  draw,
+}: {
+  init: (w: number, h: number) => { count: number };
+  draw: (ctx: { state: { count: number } }) => void;
+}) => {
+  const ref = useCanvasBanner<{ count: number }>({
+    init,
+    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    draw: draw as any,
+    deps: [],
+  });
+  return (
+    <BannerPerformanceWrapper>
+      <canvas ref={ref} style={CANVAS_STYLE} data-testid="banner-canvas" />
+    </BannerPerformanceWrapper>
+  );
+};
+
+describe('useCanvasBanner', () => {
+  it('renders a canvas and calls init with the parent size', () => {
+    const init = vi.fn(() => ({ count: 1 }));
+    const draw = vi.fn();
+    const { getByTestId } = render(<Harness init={init} draw={draw} />);
+    expect(getByTestId('banner-canvas').tagName).toBe('CANVAS');
+    expect(init).toHaveBeenCalledWith(200, 100);
+  });
+
+  it('runs draw at least once on the next animation frame', () => {
+    const init = vi.fn(() => ({ count: 7 }));
+    const draw = vi.fn();
+    render(<Harness init={init} draw={draw} />);
+    act(() => {
+      flushRaf();
+    });
+    expect(draw).toHaveBeenCalled();
+    const arg = draw.mock.calls[0][0];
+    expect(arg.state.count).toBe(7);
+    expect(arg.width).toBe(200);
+    expect(arg.height).toBe(100);
+  });
+
+  it('re-runs init when ResizeObserver fires', () => {
+    const init = vi.fn(() => ({ count: 0 }));
+    const draw = vi.fn();
+    render(<Harness init={init} draw={draw} />);
+    expect(init).toHaveBeenCalledTimes(1);
+    act(() => {
+      roCallback?.([{} as ResizeObserverEntry]);
+    });
+    expect(init).toHaveBeenCalledTimes(2);
+  });
+
+  it('disconnects ResizeObserver on unmount', () => {
+    const init = vi.fn(() => ({ count: 0 }));
+    const draw = vi.fn();
+    const { unmount } = render(<Harness init={init} draw={draw} />);
+    unmount();
+    expect(roDisconnectMock).toHaveBeenCalled();
+  });
+});

frontend/src/components/banners/useCanvasBanner.ts

@@ -0,0 +1,187 @@
+import { useEffect, useRef, type CSSProperties, type DependencyList, type RefObject } from 'react';
+import { useBannerFrameGate } from './BannerPerformanceWrapper';
+
+export interface CanvasMouse {
+  x: number;
+  y: number;
+  px: number;
+  py: number;
+  down: boolean;
+}
+
+export interface DrawArgs<S> {
+  ctx: CanvasRenderingContext2D;
+  width: number;
+  height: number;
+  state: S;
+  mouse: CanvasMouse;
+  now: number;
+}
+
+export interface UseCanvasBannerOptions<S> {
+  init: (width: number, height: number) => S;
+  draw: (args: DrawArgs<S>) => void;
+  observeTouch?: boolean;
+  trackPrev?: boolean;
+  deps: DependencyList;
+}
+
+const SENTINEL = -1000;
+
+const makeMouse = (): CanvasMouse => ({
+  x: SENTINEL,
+  y: SENTINEL,
+  px: SENTINEL,
+  py: SENTINEL,
+  down: false,
+});
+
+export function useCanvasBanner<S>({
+  init,
+  draw,
+  observeTouch = false,
+  trackPrev = false,
+  deps,
+}: UseCanvasBannerOptions<S>): RefObject<HTMLCanvasElement | null> {
+  const canvasRef = useRef<HTMLCanvasElement | null>(null);
+  const gate = useBannerFrameGate();
+
+  // Refs allow the effect dep list to drive re-init without losing identity
+  // of init/draw callbacks across renders.
+  const initRef = useRef(init);
+  const drawRef = useRef(draw);
+  initRef.current = init;
+  drawRef.current = draw;
+
+  useEffect(() => {
+    const canvas = canvasRef.current;
+    if (!canvas) return;
+    const ctx = canvas.getContext('2d', { alpha: true });
+    if (!ctx) return;
+
+    let raf = 0;
+    let state: S | null = null;
+    const mouse = makeMouse();
+
+    const dpr = () => window.devicePixelRatio || 1;
+
+    const resize = () => {
+      const parent = canvas.parentElement;
+      if (!parent) return;
+      const rect = parent.getBoundingClientRect();
+      const ratio = dpr();
+      canvas.width = rect.width * ratio;
+      canvas.height = rect.height * ratio;
+      canvas.style.width = `${rect.width}px`;
+      canvas.style.height = `${rect.height}px`;
+      // Reset before scaling so repeated resizes don't compound the transform.
+      ctx.setTransform(1, 0, 0, 1, 0, 0);
+      ctx.scale(ratio, ratio);
+      state = initRef.current(rect.width, rect.height);
+    };
+
+    const ro = new ResizeObserver(resize);
+    if (canvas.parentElement) ro.observe(canvas.parentElement);
+    resize();
+
+    const updateFromClient = (clientX: number, clientY: number) => {
+      const rect = canvas.getBoundingClientRect();
+      const x = clientX - rect.left;
+      const y = clientY - rect.top;
+      if (trackPrev) {
+        mouse.px = mouse.x;
+        mouse.py = mouse.y;
+      }
+      if (x < 0 || y < 0 || x > rect.width || y > rect.height) {
+        mouse.x = SENTINEL;
+        mouse.y = SENTINEL;
+        mouse.down = false;
+        return false;
+      }
+      mouse.x = x;
+      mouse.y = y;
+      return true;
+    };
+
+    const onMouseMove = (e: MouseEvent) => {
+      updateFromClient(e.clientX, e.clientY);
+    };
+
+    const onMouseDown = (e: MouseEvent) => {
+      const rect = canvas.getBoundingClientRect();
+      const x = e.clientX - rect.left;
+      const y = e.clientY - rect.top;
+      if (x >= 0 && y >= 0 && x <= rect.width && y <= rect.height) {
+        mouse.down = true;
+      }
+    };
+
+    const onMouseUp = () => {
+      mouse.down = false;
+    };
+
+    const onTouchMove = (e: TouchEvent) => {
+      if (e.touches.length > 0) {
+        updateFromClient(e.touches[0].clientX, e.touches[0].clientY);
+      }
+    };
+
+    const onTouchStart = (e: TouchEvent) => {
+      if (e.touches.length > 0 && updateFromClient(e.touches[0].clientX, e.touches[0].clientY)) {
+        mouse.down = true;
+      }
+    };
+
+    window.addEventListener('mousemove', onMouseMove);
+    window.addEventListener('mousedown', onMouseDown);
+    window.addEventListener('mouseup', onMouseUp);
+    if (observeTouch) {
+      window.addEventListener('touchmove', onTouchMove, { passive: false });
+      window.addEventListener('touchstart', onTouchStart);
+      window.addEventListener('touchend', onMouseUp);
+    }
+
+    const tick = (now = 0) => {
+      const decision = gate(now);
+      if (decision === 'halt') return;
+      if (decision === 'skip') {
+        raf = requestAnimationFrame(tick);
+        return;
+      }
+      const ratio = dpr();
+      const width = canvas.width / ratio;
+      const height = canvas.height / ratio;
+      if (width && height && state !== null) {
+        drawRef.current({ ctx, width, height, state, mouse, now });
+      }
+      raf = requestAnimationFrame(tick);
+    };
+    raf = requestAnimationFrame(tick);
+
+    return () => {
+      ro.disconnect();
+      window.removeEventListener('mousemove', onMouseMove);
+      window.removeEventListener('mousedown', onMouseDown);
+      window.removeEventListener('mouseup', onMouseUp);
+      if (observeTouch) {
+        window.removeEventListener('touchmove', onTouchMove);
+        window.removeEventListener('touchstart', onTouchStart);
+        window.removeEventListener('touchend', onMouseUp);
+      }
+      cancelAnimationFrame(raf);
+    };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [gate, observeTouch, trackPrev, ...deps]);
+
+  return canvasRef;
+}
+
+export const CANVAS_STYLE: CSSProperties = {
+  position: 'absolute',
+  top: 0,
+  left: 0,
+  width: '100%',
+  height: '100%',
+  pointerEvents: 'none',
+  zIndex: 0,
+};

frontend/src/contexts/NotificationContext.tsx

@@ -1,26 +1,14 @@
-import { createContext, useCallback, useEffect, useState, type ReactNode } from 'react';
-import api from '../lib/api';
+import { createContext, useCallback, useEffect, type ReactNode } from 'react';
+import { useQueryClient } from '@tanstack/react-query';
 import { useAuth } from '../hooks/useAuth';
+import { queryKeys } from '../api/keys';
+import { useNotificationsQuery, type Notification } from '../api/queries/useNotifications';
+import {
+  useMarkAllNotificationsRead,
+  useMarkNotificationRead,
+} from '../api/mutations/useMarkNotifications';
 
-export interface Notification {
-  id: number;
-  actor_username: string;
-  actor_avatar: string | null;
-  notification_type:
-    | 'reply'
-    | 'mention'
-    | 'follow'
-    | 'ticket_new'
-    | 'ticket_reply'
-    | 'profile_comment';
-  rating: number | null;
-  reply: number | null;
-  is_read: boolean;
-  created_at: string;
-  flavor_name: string | null;
-  flavor_id: number | null;
-  profile_owner_username: string | null;
-}
+export type { Notification };
 
 export interface NotificationContextValue {
   notifications: Notification[];
@@ -33,49 +21,40 @@ export const NotificationContext = createContext<NotificationContextValue | null
 
 export const NotificationProvider = ({ children }: { children: ReactNode }) => {
   const { user, setUser, refetchUser } = useAuth();
-  const [notifications, setNotifications] = useState<Notification[]>([]);
+  const qc = useQueryClient();
 
-  const fetchNotifications = useCallback(async () => {
-    try {
-      const res = await api.get('notifications/');
-      const data = Array.isArray(res.data) ? res.data : res.data.results || [];
-      setNotifications(data);
-    } catch {
-      /* ignore */
-    }
-  }, []);
-
-  useEffect(() => {
-    if (user) {
-      fetchNotifications();
-    }
-  }, [user, fetchNotifications]);
+  const { data: notifications = [], refetch } = useNotificationsQuery(!!user);
+  const markAllMutation = useMarkAllNotificationsRead();
+  const markOneMutation = useMarkNotificationRead();
 
+  // Refetch the auth user on the same 60s cadence so the unread count badge
+  // stays in sync with anything that mutated server-side outside this client.
   useEffect(() => {
     const interval = setInterval(() => {
       if (localStorage.getItem('access')) {
-        fetchNotifications();
         refetchUser();
       }
-    }, 60000);
+    }, 60_000);
     return () => clearInterval(interval);
-  }, [fetchNotifications, refetchUser]);
+  }, [refetchUser]);
+
+  const fetchNotifications = useCallback(async () => {
+    await refetch();
+  }, [refetch]);
 
   const markAllRead = useCallback(async () => {
     try {
-      await api.post('notifications/mark_all_read/');
-      setNotifications((prev) => prev.map((n) => ({ ...n, is_read: true })));
+      await markAllMutation.mutateAsync();
       if (user) setUser({ ...user, unread_notifications_count: 0 });
     } catch {
       /* ignore */
     }
-  }, [user, setUser]);
+  }, [markAllMutation, setUser, user]);
 
   const markRead = useCallback(
     async (id: number) => {
       try {
-        await api.post(`notifications/${id}/mark_read/`);
-        setNotifications((prev) => prev.map((n) => (n.id === id ? { ...n, is_read: true } : n)));
+        await markOneMutation.mutateAsync(id);
         if (user) {
           setUser({
             ...user,
@@ -86,9 +65,15 @@ export const NotificationProvider = ({ children }: { children: ReactNode }) => {
         /* ignore */
       }
     },
-    [user, setUser],
+    [markOneMutation, setUser, user],
   );
 
+  // Clear cached notifications on logout so the next user doesn't briefly
+  // see the previous user's data.
+  useEffect(() => {
+    if (!user) qc.removeQueries({ queryKey: queryKeys.notifications() });
+  }, [user, qc]);
+
   return (
     <NotificationContext.Provider
       value={{ notifications, fetchNotifications, markAllRead, markRead }}

frontend/src/lib/api.ts

@@ -37,7 +37,13 @@ api.interceptors.request.use((config) => {
   return config;
 });
 
-type RetriableConfig = AxiosRequestConfig & { _retry?: boolean };
+type RetriableConfig = AxiosRequestConfig & {
+  _retry?: boolean;
+  /** When true, a 401 that survives refresh will silently reject instead of
+   *  navigating to /login. Use for background probes (e.g. /users/me/) so
+   *  anonymous visitors aren't bounced off public pages. */
+  skipAuthRedirect?: boolean;
+};
 
 let refreshPromise: Promise<string | null> | null = null;
 
@@ -76,7 +82,11 @@ api.interceptors.response.use(
     refreshPromise = null;
 
     if (!newAccess) {
-      if (typeof window !== 'undefined' && window.location.pathname !== '/login') {
+      if (
+        !original.skipAuthRedirect &&
+        typeof window !== 'undefined' &&
+        window.location.pathname !== '/login'
+      ) {
         window.location.href = '/login';
       }
       return Promise.reject(error);

frontend/src/pages/AdminDashboard.tsx

@@ -1,4 +1,5 @@
-import React, { useCallback, useEffect, useState } from 'react';
+import React, { useEffect, useState } from 'react';
+import { useQueryClient } from '@tanstack/react-query';
 import {
   Typography,
   Box,
@@ -43,7 +44,21 @@ import PlayArrowIcon from '@mui/icons-material/PlayArrow';
 import InfoIcon from '@mui/icons-material/Info';
 import { useTranslation } from 'react-i18next';
 import { useNavigate } from 'react-router-dom';
-import api from '../lib/api';
+import {
+  useAdminConfig,
+  useAdminJobs,
+  useAdminStats,
+  useAdminUsers,
+} from '../api/queries/useAdminQueries';
+import { useBannersList } from '../api/queries/useBanners';
+import {
+  useActivateBanner,
+  useSendTestEmail,
+  useToggleBannerEnabled,
+  useTriggerJob,
+  useUpdateAdminConfig,
+  useUpdateJobSchedule,
+} from '../api/mutations/useAdminMutations';
 import { useTitle } from '../hooks/useTitle';
 import { formatDate } from '../utils/date';
 import BannerSettingsDialog from '../components/BannerSettingsDialog';
@@ -125,59 +140,56 @@ const AdminDashboard: React.FC = () => {
   const navigate = useNavigate();
   const isMobile = useMediaQuery('(max-width:900px)');
   useTitle(t('admin.title'));
-  const [stats, setStats] = useState<Stats | null>(null);
-  const [users, setUsers] = useState<AdminUser[]>([]);
-  const [banners, setBanners] = useState<Banner[]>([]);
-  const [jobs, setJobs] = useState<Job[]>([]);
-  const [config, setConfig] = useState<SystemConfig | null>(null);
-  const [loading, setLoading] = useState(true);
+  const qc = useQueryClient();
+  const { data: stats = null, isLoading: statsLoading } = useAdminStats() as unknown as {
+    data: Stats | null | undefined;
+    isLoading: boolean;
+  };
+  const { data: users = [], isLoading: usersLoading } = useAdminUsers() as unknown as {
+    data: AdminUser[];
+    isLoading: boolean;
+  };
+  const { data: banners = [], isLoading: bannersLoading } = useBannersList() as unknown as {
+    data: Banner[];
+    isLoading: boolean;
+  };
+  const { data: jobs = [], isLoading: jobsLoading } = useAdminJobs() as unknown as {
+    data: Job[];
+    isLoading: boolean;
+  };
+  const { data: config = null, isLoading: configLoading } = useAdminConfig() as unknown as {
+    data: SystemConfig | null | undefined;
+    isLoading: boolean;
+  };
+  const updateConfigMutation = useUpdateAdminConfig();
+  const triggerJobMutation = useTriggerJob();
+  const updateJobScheduleMutation = useUpdateJobSchedule();
+  const activateBannerMutation = useActivateBanner();
+  const toggleBannerEnabledMutation = useToggleBannerEnabled();
+  const sendTestEmailMutation = useSendTestEmail();
+
+  const loading = statsLoading || usersLoading || bannersLoading || jobsLoading || configLoading;
+
   const [search, setSearch] = useState('');
   const [currentTab, setCurrentTab] = useState(0);
   const [selectedBanner, setSelectedBanner] = useState<Banner | null>(null);
   const [isSettingsDialogOpen, setIsSettingsDialogOpen] = useState(false);
   const { notify } = useToast();
 
-  const fetchData = useCallback(async (silent = false) => {
-    if (!silent) setLoading(true);
-    try {
-      const [statsRes, usersRes, bannersRes, jobsRes, configRes] = await Promise.all([
-        api.get('admin-custom/stats/'),
-        api.get('admin-custom/users/'),
-        api.get('banners/'),
-        api.get('admin-custom/jobs/'),
-        api.get('admin-custom/config/'),
-      ]);
-
-      setStats(statsRes.data);
-      setUsers(usersRes.data);
-
-      const bannersData = Array.isArray(bannersRes.data)
-        ? bannersRes.data
-        : bannersRes.data.results || [];
-      setBanners(bannersData);
-
-      setJobs(jobsRes.data);
-      setConfig(configRes.data);
-    } catch (err) {
-      console.error('Data fetch error:', err);
-    }
-
-    if (!silent) setLoading(false);
-  }, []);
-
-  // Poll for job updates if any are running or pending
+  // Poll the jobs query faster while anything is running on the Jobs tab.
   useEffect(() => {
     const anyRunning = jobs.some((j) => j.status === 'running' || j.status === 'pending');
     if (anyRunning && currentTab === 3) {
-      const interval = setInterval(() => fetchData(true), 3000);
+      const interval = setInterval(() => {
+        qc.invalidateQueries({ queryKey: ['adminJobs'] });
+      }, 3000);
       return () => clearInterval(interval);
     }
-  }, [jobs, currentTab, fetchData]);
+  }, [jobs, currentTab, qc]);
 
   const handleUpdateConfig = async (key: string, value: unknown) => {
     try {
-      const res = await api.patch('admin-custom/config/', { [key]: value });
-      setConfig(res.data);
+      await updateConfigMutation.mutateAsync({ key, value });
     } catch {
       notify({ message: 'Failed to update configuration', severity: 'error' });
     }
@@ -185,8 +197,7 @@ const AdminDashboard: React.FC = () => {
 
   const handleTriggerJob = async (id: number) => {
     try {
-      await api.post(`admin-custom/${id}/trigger_job/`);
-      fetchData(true);
+      await triggerJobMutation.mutateAsync(id);
     } catch {
       notify({ message: 'Failed to trigger job', severity: 'error' });
     }
@@ -196,8 +207,7 @@ const AdminDashboard: React.FC = () => {
     try {
       const data: Record<string, unknown> = { interval_hours: interval };
       if (nextRun) data.next_run = nextRun;
-      await api.patch(`admin-custom/${id}/update_job_schedule/`, data);
-      fetchData(true);
+      await updateJobScheduleMutation.mutateAsync({ id, data });
     } catch {
       notify({ message: 'Failed to update schedule', severity: 'error' });
     }
@@ -205,8 +215,7 @@ const AdminDashboard: React.FC = () => {
 
   const handleActivateBanner = async (id: number) => {
     try {
-      await api.post(`banners/${id}/activate/`);
-      fetchData();
+      await activateBannerMutation.mutateAsync(id);
     } catch (err) {
       console.error(err);
     }
@@ -214,8 +223,7 @@ const AdminDashboard: React.FC = () => {
 
   const handleToggleEnabled = async (id: number) => {
     try {
-      await api.post(`banners/${id}/toggle_enabled/`);
-      fetchData();
+      await toggleBannerEnabledMutation.mutateAsync(id);
     } catch (err) {
       const error = err as { response?: { data?: { error?: string } } };
       notify({
@@ -225,13 +233,9 @@ const AdminDashboard: React.FC = () => {
     }
   };
 
-  useEffect(() => {
-    fetchData();
-  }, [fetchData]);
-
   const handleSendTestEmail = async () => {
     try {
-      await api.post('admin-custom/send_test_email/');
+      await sendTestEmailMutation.mutateAsync();
       notify({ message: t('admin.testEmailSuccess'), severity: 'success' });
     } catch (err) {
       const error = err as { response?: { data?: { error?: string } } };
@@ -616,7 +620,10 @@ const AdminDashboard: React.FC = () => {
               title="No banner models found"
               subtitle="No banners registered in the database."
               action={
-                <Button variant="outlined" onClick={() => fetchData()}>
+                <Button
+                  variant="outlined"
+                  onClick={() => qc.invalidateQueries({ queryKey: ['banners'] })}
+                >
                   Retry Loading
                 </Button>
               }
@@ -857,7 +864,7 @@ const AdminDashboard: React.FC = () => {
           setSelectedBanner(null);
         }}
         banner={selectedBanner}
-        onSave={fetchData}
+        onSave={() => qc.invalidateQueries({ queryKey: ['banners'] })}
       />
     </PageShell>
   );

frontend/src/pages/AdminRatingDetail.tsx

@@ -1,60 +1,48 @@
-import React, { useState, useEffect, useCallback } from 'react';
+import React, { useEffect, useState } from 'react';
 import { Box, Button, Stack, CircularProgress, TextField } from '@mui/material';
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
 import DeleteIcon from '@mui/icons-material/Delete';
 import { useTranslation } from 'react-i18next';
 import { useNavigate, useParams } from 'react-router-dom';
-import api from '../lib/api';
+import { useAdminRating } from '../api/queries/useAdminQueries';
+import { useDeleteRating, useUpdateRating } from '../api/mutations/useRatingMutations';
 import { useTitle } from '../hooks/useTitle';
 import MentionTextField from '../components/MentionTextField';
 import { PageShell, SectionHeader, FormCard } from '../components/ui';
 import { useToast } from '../hooks/useToast';
 import { useConfirm } from '../hooks/useConfirm';
 
-interface AdminRating {
-  id: number;
-  user: string;
-  score: number;
-  comment: string | null;
-  flavor_name: string;
-}
-
 const AdminRatingDetail: React.FC = () => {
   const { t } = useTranslation();
   const navigate = useNavigate();
   const { id } = useParams<{ id: string }>();
+  const { data: rating, isLoading: loading, error } = useAdminRating(id);
+  const updateRating = useUpdateRating();
+  const deleteRating = useDeleteRating();
+
   const [score, setScore] = useState(0);
   const [comment, setComment] = useState('');
-  const [rating, setRating] = useState<AdminRating | null>(null);
-  const [loading, setLoading] = useState(true);
   const { notify } = useToast();
   const { confirm } = useConfirm();
 
-  const fetchRating = useCallback(async () => {
-    try {
-      const res = await api.get<AdminRating>(`ratings/${id}/`);
-      setRating(res.data);
-      setScore(res.data.score);
-      setComment(res.data.comment || '');
-    } catch (err) {
-      console.error(err);
-      navigate('/admin-panel');
-    } finally {
-      setLoading(false);
+  useEffect(() => {
+    if (rating) {
+      setScore(rating.score);
+      setComment(rating.comment || '');
     }
-  }, [id, navigate]);
+  }, [rating]);
 
   useEffect(() => {
-    fetchRating();
-  }, [fetchRating]);
+    if (error) navigate('/admin-panel');
+  }, [error, navigate]);
 
   useTitle(rating ? `${t('admin.manageRating')}: ${rating.flavor_name}` : 'Rating Management');
 
   const handleUpdate = async (e: React.FormEvent) => {
     e.preventDefault();
+    if (!id) return;
     try {
-      await api.patch(`ratings/${id}/`, { score, comment });
-      fetchRating();
+      await updateRating.mutateAsync({ id: Number(id), score, comment });
       notify({ message: 'Rating updated!', severity: 'success' });
     } catch {
       notify({ message: 'Update failed', severity: 'error' });
@@ -62,9 +50,10 @@ const AdminRatingDetail: React.FC = () => {
   };
 
   const handleDelete = async () => {
+    if (!id) return;
     if (!(await confirm({ message: 'Delete this rating and all replies?', danger: true }))) return;
     try {
-      await api.delete(`ratings/${id}/`);
+      await deleteRating.mutateAsync(Number(id));
       navigate('/admin-panel');
     } catch {
       notify({ message: 'Delete failed', severity: 'error' });

frontend/src/pages/AdminReplyDetail.tsx

@@ -1,56 +1,45 @@
-import React, { useState, useEffect, useCallback } from 'react';
+import React, { useEffect, useState } from 'react';
 import { Box, Button, Stack, CircularProgress } from '@mui/material';
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
 import DeleteIcon from '@mui/icons-material/Delete';
 import { useTranslation } from 'react-i18next';
 import { useNavigate, useParams } from 'react-router-dom';
-import api from '../lib/api';
+import { useAdminReply } from '../api/queries/useAdminQueries';
+import { useDeleteReply } from '../api/mutations/useRatingMutations';
+import { useUpdateReply } from '../api/mutations/useReplyMutations';
 import { useTitle } from '../hooks/useTitle';
 import MentionTextField from '../components/MentionTextField';
 import { PageShell, SectionHeader, FormCard } from '../components/ui';
 import { useToast } from '../hooks/useToast';
 import { useConfirm } from '../hooks/useConfirm';
 
-interface AdminReply {
-  id: number;
-  user: string;
-  text: string;
-}
-
 const AdminReplyDetail: React.FC = () => {
   const { t } = useTranslation();
   const navigate = useNavigate();
   const { id } = useParams<{ id: string }>();
+  const { data: reply, isLoading: loading, error } = useAdminReply(id);
+  const updateReply = useUpdateReply();
+  const deleteReply = useDeleteReply();
+
   const [text, setText] = useState('');
-  const [reply, setReply] = useState<AdminReply | null>(null);
-  const [loading, setLoading] = useState(true);
   const { notify } = useToast();
   const { confirm } = useConfirm();
 
-  const fetchReply = useCallback(async () => {
-    try {
-      const res = await api.get<AdminReply>(`replies/${id}/`);
-      setReply(res.data);
-      setText(res.data.text);
-    } catch (err) {
-      console.error(err);
-      navigate('/admin-panel');
-    } finally {
-      setLoading(false);
-    }
-  }, [id, navigate]);
+  useEffect(() => {
+    if (reply) setText(reply.text);
+  }, [reply]);
 
   useEffect(() => {
-    fetchReply();
-  }, [fetchReply]);
+    if (error) navigate('/admin-panel');
+  }, [error, navigate]);
 
   useTitle(reply ? `${t('admin.manageReply')}` : 'Reply Management');
 
   const handleUpdate = async (e: React.FormEvent) => {
     e.preventDefault();
+    if (!id) return;
     try {
-      await api.patch(`replies/${id}/`, { text });
-      fetchReply();
+      await updateReply.mutateAsync({ replyId: Number(id), text });
       notify({ message: 'Reply updated!', severity: 'success' });
     } catch {
       notify({ message: 'Update failed', severity: 'error' });
@@ -58,9 +47,10 @@ const AdminReplyDetail: React.FC = () => {
   };
 
   const handleDelete = async () => {
+    if (!id) return;
     if (!(await confirm({ message: 'Delete this reply?', danger: true }))) return;
     try {
-      await api.delete(`replies/${id}/`);
+      await deleteReply.mutateAsync(Number(id));
       navigate('/admin-panel');
     } catch {
       notify({ message: 'Delete failed', severity: 'error' });

frontend/src/pages/AdminUserDetail.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import {
   Typography,
   Box,
@@ -24,7 +24,14 @@ import HistoryIcon from '@mui/icons-material/History';
 import RateReviewIcon from '@mui/icons-material/RateReview';
 import { useTranslation } from 'react-i18next';
 import { useNavigate, useParams } from 'react-router-dom';
-import api from '../lib/api';
+import { useAdminUserDetail } from '../api/queries/useAdminQueries';
+import { useDeleteUser, useToggleUserActive } from '../api/mutations/useAdminMutations';
+import {
+  useDeleteRating,
+  useDeleteReply,
+  useUpdateRating,
+} from '../api/mutations/useRatingMutations';
+import { useUpdateReply } from '../api/mutations/useReplyMutations';
 import { useTitle } from '../hooks/useTitle';
 import { formatDate } from '../utils/date';
 import MentionTextField from '../components/MentionTextField';
@@ -72,10 +79,23 @@ const AdminUserDetail: React.FC = () => {
   const { t } = useTranslation();
   const navigate = useNavigate();
   const { id } = useParams<{ id: string }>();
-  const [user, setUser] = useState<AdminUser | null>(null);
-  const [loading, setLoading] = useState(true);
-  const [activeTab, setActiveTab] = useState(0);
+  const {
+    data: user,
+    isLoading: loading,
+    error,
+  } = useAdminUserDetail(id) as {
+    data: AdminUser | undefined;
+    isLoading: boolean;
+    error: unknown;
+  };
+  const toggleActive = useToggleUserActive();
+  const deleteUserMutation = useDeleteUser();
+  const updateRatingMutation = useUpdateRating();
+  const deleteRatingMutation = useDeleteRating();
+  const updateReplyMutation = useUpdateReply();
+  const deleteReplyMutation = useDeleteReply();
 
+  const [activeTab, setActiveTab] = useState(0);
   const [editingRatingId, setEditingRatingId] = useState<number | null>(null);
   const [editScore, setEditScore] = useState(0);
   const [editComment, setEditComment] = useState('');
@@ -86,29 +106,16 @@ const AdminUserDetail: React.FC = () => {
   const { notify } = useToast();
   const { confirm } = useConfirm();
 
-  const fetchUser = useCallback(async () => {
-    try {
-      const res = await api.get(`admin-custom/${id}/user_detail/`);
-      setUser(res.data);
-    } catch (err) {
-      console.error(err);
-      navigate('/admin-panel');
-    } finally {
-      setLoading(false);
-    }
-  }, [id, navigate]);
-
   useEffect(() => {
-    fetchUser();
-  }, [fetchUser]);
+    if (error) navigate('/admin-panel');
+  }, [error, navigate]);
 
   useTitle(user ? `${t('admin.manageUser')}: ${user.username}` : 'User Management');
 
   const handleToggleActive = async () => {
-    if (!user) return;
+    if (!user || !id) return;
     try {
-      await api.patch(`admin-custom/${id}/user_detail/`, { is_active: !user.is_active });
-      fetchUser();
+      await toggleActive.mutateAsync({ id, isActive: user.is_active });
     } catch {
       notify({ message: 'Action failed', severity: 'error' });
     }
@@ -116,9 +123,12 @@ const AdminUserDetail: React.FC = () => {
 
   const handleUpdateRating = async (ratingId: number) => {
     try {
-      await api.patch(`ratings/${ratingId}/`, { score: editScore, comment: editComment });
+      await updateRatingMutation.mutateAsync({
+        id: ratingId,
+        score: editScore,
+        comment: editComment,
+      });
       setEditingRatingId(null);
-      fetchUser();
     } catch {
       notify({ message: 'Update failed', severity: 'error' });
     }
@@ -127,8 +137,7 @@ const AdminUserDetail: React.FC = () => {
   const handleDeleteRating = async (ratingId: number) => {
     if (!(await confirm({ message: 'Delete this rating?', danger: true }))) return;
     try {
-      await api.delete(`ratings/${ratingId}/`);
-      fetchUser();
+      await deleteRatingMutation.mutateAsync(ratingId);
     } catch {
       notify({ message: 'Delete failed', severity: 'error' });
     }
@@ -136,9 +145,8 @@ const AdminUserDetail: React.FC = () => {
 
   const handleUpdateReply = async (replyId: number) => {
     try {
-      await api.patch(`replies/${replyId}/`, { text: editReplyText });
+      await updateReplyMutation.mutateAsync({ replyId, text: editReplyText });
       setEditingReplyId(null);
-      fetchUser();
     } catch {
       notify({ message: 'Update failed', severity: 'error' });
     }
@@ -147,14 +155,14 @@ const AdminUserDetail: React.FC = () => {
   const handleDeleteReply = async (replyId: number) => {
     if (!(await confirm({ message: 'Delete this reply?', danger: true }))) return;
     try {
-      await api.delete(`replies/${replyId}/`);
-      fetchUser();
+      await deleteReplyMutation.mutateAsync(replyId);
     } catch {
       notify({ message: 'Delete failed', severity: 'error' });
     }
   };
 
   const handleDelete = async () => {
+    if (!id) return;
     const ok = await confirm({
       title: 'Delete user',
       message: 'PERMANENTLY DELETE THIS USER AND ALL DATA? This cannot be undone.',
@@ -163,7 +171,7 @@ const AdminUserDetail: React.FC = () => {
     });
     if (!ok) return;
     try {
-      await api.delete(`admin-custom/${id}/user_detail/`);
+      await deleteUserMutation.mutateAsync(id);
       navigate('/admin-panel');
     } catch {
       notify({ message: 'Delete failed', severity: 'error' });

frontend/src/pages/CommunityFeed.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import {
   Typography,
   Box,
@@ -26,7 +26,14 @@ import NotificationsIcon from '@mui/icons-material/Notifications';
 import PeopleIcon from '@mui/icons-material/People';
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
 import { Link, useNavigate } from 'react-router-dom';
-import api from '../lib/api';
+import {
+  useCommunityFeed,
+  useFollowedTopFlavors,
+  useFollowingList,
+  type FeedRating,
+} from '../api/queries/useCommunityFeed';
+import { useNotificationsQuery } from '../api/queries/useNotifications';
+import { useCreateReply } from '../api/mutations/useRatingMutations';
 import { useTitle } from '../hooks/useTitle';
 import RichText from '../components/RichText';
 import { formatDate } from '../utils/date';
@@ -36,61 +43,6 @@ import RatingBadge from '../components/RatingBadge';
 import { PageShell, HeroBackdrop, SectionHeader, GlassCard, EmptyState } from '../components/ui';
 import { useToast } from '../hooks/useToast';
 
-interface Reply {
-  id: number;
-  user: string;
-  text: string;
-  created_at: string;
-}
-
-interface FeedRating {
-  id: number;
-  user: string;
-  user_id: number;
-  user_avatar: string | null;
-  flavor: number;
-  flavor_name: string;
-  flavor_image: string | null;
-  category_name: string;
-  category_slug: string;
-  score: number;
-  comment: string;
-  created_at: string;
-  replies: Reply[];
-}
-
-interface FollowedUser {
-  id: number;
-  username: string;
-  avatar: string | null;
-}
-
-interface Notification {
-  id: number;
-  actor_username: string;
-  actor_avatar: string | null;
-  notification_type:
-    | 'reply'
-    | 'mention'
-    | 'follow'
-    | 'ticket_new'
-    | 'ticket_reply'
-    | 'profile_comment';
-  rating: number | null;
-  reply: number | null;
-  is_read: boolean;
-  created_at: string;
-  flavor_name: string | null;
-  flavor_id: number | null;
-}
-
-interface TopFlavor {
-  id: number;
-  name: string;
-  image_url: string | null;
-  average_rating: number;
-}
-
 interface CommunityFeedProps {
   adminMode?: boolean;
 }
@@ -125,17 +77,23 @@ const CommunityFeed: React.FC<CommunityFeedProps> = ({ adminMode }) => {
   useTitle(t('community.title'));
   const navigate = useNavigate();
   const { notify } = useToast();
-  const [ratings, setRatings] = useState<FeedRating[]>([]);
-  const [following, setFollowing] = useState<FollowedUser[]>([]);
-  const [notifications, setNotifications] = useState<Notification[]>([]);
-  const [loading, setLoading] = useState(true);
   const [page, setPage] = useState(1);
-  const [totalPages, setTotalPages] = useState(1);
   const [followingSearch, setFollowingSearch] = useState('');
-  const [topFollowed, setTopFollowed] = useState<TopFlavor[]>([]);
   const [replyInputs, setReplyInputs] = useState<Record<number, string>>({});
   const [expandedReplies, setExpandedReplies] = useState<Record<number, boolean>>({});
 
+  const isAuthed = !!localStorage.getItem('access');
+  const { data: feed, isLoading: feedLoading, error: feedError } = useCommunityFeed(page);
+  const { data: following = [] } = useFollowingList();
+  const { data: notificationsAll = [] } = useNotificationsQuery(isAuthed);
+  const { data: topFollowed = [] } = useFollowedTopFlavors();
+  const createReply = useCreateReply();
+
+  const ratings: FeedRating[] = feed?.ratings ?? [];
+  const totalPages = feed?.totalPages ?? 1;
+  const notifications = notificationsAll.slice(0, 5);
+  const loading = feedLoading;
+
   const filteredFollowing = following.filter((user) =>
     user.username.toLowerCase().includes(followingSearch.toLowerCase()),
   );
@@ -145,52 +103,14 @@ const CommunityFeed: React.FC<CommunityFeedProps> = ({ adminMode }) => {
     else navigate('/');
   };
 
-  const fetchFeedData = useCallback(
-    async (pageNum: number) => {
-      setLoading(true);
-      try {
-        const [feedRes, followingRes, topFollowedRes, notifRes] = await Promise.all([
-          api.get(`ratings/feed/?page=${pageNum}`),
-          api.get('users/following_list/'),
-          api.get('flavors/followed_top/'),
-          api.get('notifications/'),
-        ]);
-
-        const feedData = feedRes.data.results || (Array.isArray(feedRes.data) ? feedRes.data : []);
-        setRatings(feedData);
-        const count = feedRes.data.count || 0;
-        setTotalPages(Math.ceil(count / 10));
-
-        const followData = Array.isArray(followingRes.data)
-          ? followingRes.data
-          : followingRes.data.results || [];
-        setFollowing(followData);
-
-        setTopFollowed(Array.isArray(topFollowedRes.data) ? topFollowedRes.data.slice(0, 5) : []);
-
-        const notifData = Array.isArray(notifRes.data)
-          ? notifRes.data
-          : notifRes.data.results || [];
-        setNotifications(notifData.slice(0, 5));
-      } catch (err) {
-        const status = (err as { response?: { status?: number } }).response?.status;
-        if (status === 401) navigate('/login');
-        console.error('Failed to fetch feed data', err);
-      } finally {
-        setLoading(false);
-      }
-    },
-    [navigate],
-  );
+  useEffect(() => {
+    if (!isAuthed) navigate('/login');
+  }, [isAuthed, navigate]);
 
   useEffect(() => {
-    const token = localStorage.getItem('access');
-    if (!token) {
-      navigate('/login');
-      return;
-    }
-    fetchFeedData(page);
-  }, [page, navigate, fetchFeedData]);
+    const status = (feedError as { response?: { status?: number } } | null)?.response?.status;
+    if (status === 401) navigate('/login');
+  }, [feedError, navigate]);
 
   const handlePageChange = (_: React.ChangeEvent<unknown>, value: number) => {
     setPage(value);
@@ -205,10 +125,7 @@ const CommunityFeed: React.FC<CommunityFeedProps> = ({ adminMode }) => {
     const text = replyInputs[ratingId];
     if (!text) return;
     try {
-      const res = await api.post(`ratings/${ratingId}/reply/`, { text });
-      setRatings((prev) =>
-        prev.map((r) => (r.id === ratingId ? { ...r, replies: [...r.replies, res.data] } : r)),
-      );
+      await createReply.mutateAsync({ ratingId, text });
       setReplyInputs((prev) => ({ ...prev, [ratingId]: '' }));
     } catch {
       notify({ message: 'Failed to send reply', severity: 'error' });

frontend/src/pages/Dashboard.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useMemo, useState } from 'react';
+import React, { useEffect, useMemo, useState } from 'react';
 import {
   Typography,
   CardContent,
@@ -32,7 +32,13 @@ import SearchIcon from '@mui/icons-material/Search';
 import ColorThief from 'colorthief';
 import { useNavigate, Link } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
-import api from '../lib/api';
+import { useDashboard } from '../api/queries/useDashboard';
+import {
+  useDeleteRating,
+  useDeleteReply,
+  useCreateReply,
+  useUpdateRating,
+} from '../api/mutations/useRatingMutations';
 import { useTitle } from '../hooks/useTitle';
 import RatingBadge from '../components/RatingBadge';
 import StatusBadge from '../components/StatusBadge';
@@ -43,56 +49,17 @@ import { PageShell, GlassCard, GlassSurface, EmptyState } from '../components/ui
 import { useToast } from '../hooks/useToast';
 import { useConfirm } from '../hooks/useConfirm';
 
-interface Reply {
-  id: number;
-  user: string;
-  text: string;
-  created_at: string;
-}
-
-interface RatedItem {
-  id: number;
-  flavor: number;
-  flavor_name: string;
-  flavor_image: string | null;
-  category_name: string;
-  category_slug: string;
-  score: number;
-  comment: string | null;
-  created_at: string;
-  replies: Reply[];
-  is_legacy?: boolean;
-  is_available?: boolean;
-}
-
-interface MissingFlavor {
-  id: number;
-  name: string;
-  image_url: string | null;
-  category_name: string;
-  category_slug: string;
-  average_rating: number;
-  followed_average_rating?: number;
-  is_legacy?: boolean;
-  is_available?: boolean;
-}
-
-interface DashboardData {
-  user: { username: string; avatar: string | null };
-  rated_count: number;
-  missing_count: number;
-  missing_flavors: MissingFlavor[];
-  my_ratings: RatedItem[];
-}
-
 const Dashboard: React.FC = () => {
   const { t } = useTranslation();
   const navigate = useNavigate();
   const theme = useTheme();
   const isMobile = useMediaQuery(theme.breakpoints.down('lg'));
   useTitle(t('dashboard.title'));
-  const [data, setData] = useState<DashboardData | null>(null);
-  const [loading, setLoading] = useState(true);
+  const { data, isLoading: loading } = useDashboard();
+  const updateRating = useUpdateRating();
+  const deleteRating = useDeleteRating();
+  const createReply = useCreateReply();
+  const deleteReply = useDeleteReply();
   const [activeTab, setActiveTab] = useState(0);
   const [palette, setPalette] = useState<string[]>([]);
 
@@ -125,21 +92,6 @@ const Dashboard: React.FC = () => {
     else navigate('/');
   };
 
-  const fetchData = useCallback(async () => {
-    try {
-      const res = await api.get('users/dashboard/');
-      setData(res.data);
-    } catch (err) {
-      console.error(err);
-    } finally {
-      setLoading(false);
-    }
-  }, []);
-
-  useEffect(() => {
-    fetchData();
-  }, [fetchData]);
-
   useEffect(() => {
     if (data?.user?.avatar) {
       const img = new Image();
@@ -177,9 +129,8 @@ const Dashboard: React.FC = () => {
 
   const handleUpdateRating = async (ratingId: number) => {
     try {
-      await api.patch(`ratings/${ratingId}/`, { score: editScore, comment: editComment });
+      await updateRating.mutateAsync({ id: ratingId, score: editScore, comment: editComment });
       setEditingRatingId(null);
-      fetchData();
     } catch {
       notify({ message: 'Failed to update review', severity: 'error' });
     }
@@ -188,8 +139,7 @@ const Dashboard: React.FC = () => {
   const handleDeleteRating = async (ratingId: number) => {
     if (!(await confirm({ message: 'Delete this review?', danger: true }))) return;
     try {
-      await api.delete(`ratings/${ratingId}/`);
-      fetchData();
+      await deleteRating.mutateAsync(ratingId);
     } catch {
       notify({ message: 'Failed to delete review', severity: 'error' });
     }
@@ -199,10 +149,9 @@ const Dashboard: React.FC = () => {
     const text = replyInputs[ratingId];
     if (!text) return;
     try {
-      await api.post(`ratings/${ratingId}/reply/`, { text });
+      await createReply.mutateAsync({ ratingId, text });
       setReplyInputs({ ...replyInputs, [ratingId]: '' });
       setExpandedReplies({ ...expandedReplies, [ratingId]: true });
-      fetchData();
     } catch {
       notify({ message: 'Failed to send reply', severity: 'error' });
     }
@@ -211,8 +160,7 @@ const Dashboard: React.FC = () => {
   const handleDeleteReply = async (replyId: number) => {
     if (!(await confirm({ message: 'Delete this reply?', danger: true }))) return;
     try {
-      await api.delete(`replies/${replyId}/`);
-      fetchData();
+      await deleteReply.mutateAsync(replyId);
     } catch {
       notify({ message: 'Failed to delete reply', severity: 'error' });
     }

frontend/src/pages/FlavorList.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect, useState } from 'react';
+import React, { useState } from 'react';
 import {
   Typography,
   CardContent,
@@ -12,78 +12,36 @@ import {
   CircularProgress,
 } from '@mui/material';
 import ExpandMoreIcon from '@mui/icons-material/ExpandMore';
-import api from '../lib/api';
+import { useCategories, useFlavorsList } from '../api/queries/useFlavorsList';
+import { useCreateRating } from '../api/mutations/useRatingMutations';
 import RatingBadge from '../components/RatingBadge';
 import StatusBadge from '../components/StatusBadge';
 import { PageShell, HeroBackdrop, GlassCard, SectionHeader } from '../components/ui';
 import { useToast } from '../hooks/useToast';
 
-interface Rating {
-  id: number;
-  user: string;
-  score: number;
-  comment: string;
-  created_at: string;
-}
-
-interface Flavor {
-  id: number;
-  name: string;
-  category_name: string;
-  description: string;
-  average_rating: number;
-  user_rating: number | null;
-  ratings: Rating[];
-  image_url: string | null;
-  is_available: boolean;
-  is_legacy?: boolean;
-  shop_url: string | null;
-}
-
-interface Category {
-  id: number;
-  name: string;
-  slug: string;
-}
-
 interface RatingInput {
   score: number;
   comment: string;
 }
 
 const FlavorList: React.FC = () => {
-  const [categories, setCategories] = useState<Category[]>([]);
-  const [flavors, setFlavors] = useState<Flavor[]>([]);
-  const [loading, setLoading] = useState(true);
+  const { data: categories = [], isLoading: catLoading } = useCategories();
+  const { data: flavors = [], isLoading: flavLoading } = useFlavorsList();
+  const createRating = useCreateRating();
   const [ratingInput, setRatingInput] = useState<Record<number, RatingInput>>({});
   const { notify } = useToast();
 
-  useEffect(() => {
-    const fetchData = async () => {
-      try {
-        const [catRes, flavRes] = await Promise.all([api.get('categories/'), api.get('flavors/')]);
-        setCategories(catRes.data);
-        setFlavors(flavRes.data);
-      } catch (err) {
-        console.error(err);
-      } finally {
-        setLoading(false);
-      }
-    };
-    fetchData();
-  }, []);
+  const loading = catLoading || flavLoading;
 
   const handleRate = async (flavorId: number) => {
     const input = ratingInput[flavorId];
     if (!input) return;
     try {
-      await api.post('ratings/', {
+      await createRating.mutateAsync({
         flavor: flavorId,
         score: input.score,
         comment: input.comment,
       });
-      const res = await api.get('flavors/');
-      setFlavors(res.data);
       notify({ message: 'Rating submitted!', severity: 'success' });
     } catch {
       notify({

frontend/src/pages/MainPage.tsx

@@ -16,7 +16,14 @@ import { useTranslation } from 'react-i18next';
 import ChevronLeftIcon from '@mui/icons-material/ChevronLeft';
 import ChevronRightIcon from '@mui/icons-material/ChevronRight';
 import EmojiEventsIcon from '@mui/icons-material/EmojiEvents';
-import api from '../lib/api';
+import { useCategories } from '../api/queries/useFlavorsList';
+import {
+  useFlavorSearch,
+  useFollowingFeedTop,
+  useNewestFlavors,
+  useRecentReviews,
+  useTopFlavors,
+} from '../api/queries/useMainPageQueries';
 import { useTitle } from '../hooks/useTitle';
 import RatingBadge from '../components/RatingBadge';
 import StatusBadge from '../components/StatusBadge';
@@ -29,50 +36,6 @@ import {
   FlavorCard,
 } from '../components/ui';
 
-interface Category {
-  id: number;
-  name: string;
-  slug: string;
-}
-
-interface Flavor {
-  id: number;
-  name: string;
-  category_name: string;
-  description: string;
-  average_rating: number;
-  image_url: string | null;
-  is_available: boolean;
-  is_legacy: boolean;
-  ratings: FeedRating[];
-}
-
-interface FeedRating {
-  id: number;
-  user: string;
-  user_avatar: string | null;
-  flavor: number;
-  flavor_name: string;
-  flavor_image: string | null;
-  flavor_category?: string;
-  score: number;
-  comment: string;
-  created_at: string;
-  replies?: unknown[];
-}
-
-interface Review {
-  id: number;
-  user: string;
-  user_avatar: string | null;
-  flavor_name: string;
-  flavor_image: string | null;
-  score: number;
-  comment: string;
-  created_at: string;
-  flavor: number;
-}
-
 interface MainPageProps {
   adminMode?: boolean;
 }
@@ -80,99 +43,34 @@ interface MainPageProps {
 const MainPage: React.FC<MainPageProps> = ({ adminMode }) => {
   const { t } = useTranslation();
   const navigate = useNavigate();
-  const [topFlavors, setTopFlavors] = useState<Flavor[]>([]);
-  const [newestFlavors, setNewestFlavors] = useState<Flavor[]>([]);
-  const [recentReviews, setRecentReviews] = useState<Review[]>([]);
-  const [allFlavors, setAllFlavors] = useState<Flavor[]>([]);
-  const [feedRatings, setFeedRatings] = useState<FeedRating[]>([]);
-  const [categories, setCategories] = useState<Category[]>([]);
   const [selectedCategorySlug, setSelectedCategorySlug] = useState<string>('');
-  const [loading, setLoading] = useState(true);
-  const [categoryLoading, setCategoryLoading] = useState(false);
   const [activeIndex, setActiveIndex] = useState(0);
   const timerRef = useRef<ReturnType<typeof setInterval> | null>(null);
-  const isFirstRun = useRef(true);
   const location = useLocation();
 
   const query = new URLSearchParams(location.search).get('q') || '';
   const isLoggedIn = !!localStorage.getItem('access');
 
-  useEffect(() => {
-    const fetchData = async () => {
-      setLoading(true);
-      try {
-        if (query) {
-          const res = await api.get(`flavors/?search=${encodeURIComponent(query)}`);
-          setAllFlavors(Array.isArray(res.data) ? res.data : res.data.results || []);
-        } else {
-          const requests = [
-            api.get('flavors/top/'),
-            api.get('ratings/recent/'),
-            api.get('flavors/newest/'),
-            api.get('categories/'),
-          ];
+  const { data: searchResults = [], isLoading: searchLoading } = useFlavorSearch(query);
+  const {
+    data: topFlavors = [],
+    isLoading: topLoading,
+    isFetching: topFetching,
+  } = useTopFlavors(selectedCategorySlug || null);
+  const { data: newestFlavors = [], isLoading: newestLoading } = useNewestFlavors();
+  const { data: recentReviews = [], isLoading: recentLoading } = useRecentReviews();
+  const { data: categories = [], isLoading: catLoading } = useCategories();
+  const { data: feedRatings = [] } = useFollowingFeedTop(isLoggedIn && !query);
 
-          if (isLoggedIn) {
-            requests.push(api.get('ratings/feed/'));
-          }
-
-          const results = await Promise.all(requests);
-
-          setTopFlavors(
-            Array.isArray(results[0].data) ? results[0].data : results[0].data.results || [],
-          );
-          setRecentReviews(
-            Array.isArray(results[1].data) ? results[1].data : results[1].data.results || [],
-          );
-          setNewestFlavors(
-            Array.isArray(results[2].data) ? results[2].data : results[2].data.results || [],
-          );
-          setCategories(
-            Array.isArray(results[3].data) ? results[3].data : results[3].data.results || [],
-          );
-
-          if (isLoggedIn && results[4]) {
-            const feedData = Array.isArray(results[4].data)
-              ? results[4].data
-              : results[4].data.results || [];
-            setFeedRatings(feedData.slice(0, 6));
-          }
-        }
-      } catch (err) {
-        console.error(err);
-      } finally {
-        setLoading(false);
-      }
-    };
-    fetchData();
-  }, [query, isLoggedIn]);
+  const allFlavors = searchResults;
+  const loading = query
+    ? searchLoading
+    : topLoading || newestLoading || recentLoading || catLoading;
+  const categoryLoading = topFetching && !topLoading;
 
   useEffect(() => {
-    if (query) return;
-
-    const fetchTopFlavors = async () => {
-      setCategoryLoading(true);
-      try {
-        const url = selectedCategorySlug
-          ? `flavors/top/?category=${selectedCategorySlug}`
-          : 'flavors/top/';
-        const res = await api.get(url);
-        setTopFlavors(Array.isArray(res.data) ? res.data : res.data.results || []);
-        setActiveIndex(0);
-      } catch (err) {
-        console.error(err);
-      } finally {
-        setCategoryLoading(false);
-      }
-    };
-
-    if (isFirstRun.current) {
-      isFirstRun.current = false;
-      return;
-    }
-
-    fetchTopFlavors();
-  }, [selectedCategorySlug, query]);
+    setActiveIndex(0);
+  }, [selectedCategorySlug]);
 
   const handleTabChange = (_event: React.SyntheticEvent, newValue: string) => {
     setSelectedCategorySlug(newValue);

frontend/src/pages/PublicProfile.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import { useParams, useNavigate, Link } from 'react-router-dom';
 import {
   Typography,
@@ -26,7 +26,17 @@ import VerifiedIcon from '@mui/icons-material/Verified';
 import PersonAddIcon from '@mui/icons-material/PersonAdd';
 import PersonRemoveIcon from '@mui/icons-material/PersonRemove';
 import ColorThief from 'colorthief';
-import api from '../lib/api';
+import {
+  usePublicProfile,
+  type MiniUser,
+  type PublicProfileRating,
+} from '../api/queries/usePublicProfile';
+import { useCurrentUserLite } from '../api/queries/useCurrentUserLite';
+import {
+  useAddProfileComment,
+  useDeleteProfileComment,
+  useFollowToggle,
+} from '../api/mutations/useSocialMutations';
 import { useTitle } from '../hooks/useTitle';
 import { useTranslation } from 'react-i18next';
 import RatingBadge from '../components/RatingBadge';
@@ -37,46 +47,6 @@ import { PageShell, GlassCard, GlassSurface, FormCard, EmptyState } from '../com
 import { useToast } from '../hooks/useToast';
 import { useConfirm } from '../hooks/useConfirm';
 
-interface Rating {
-  id: number;
-  flavor: number;
-  flavor_name: string;
-  flavor_image: string | null;
-  category_name: string;
-  score: number;
-  comment: string;
-  created_at: string;
-}
-
-interface ProfileComment {
-  id: number;
-  author_username: string;
-  author_avatar: string | null;
-  text: string;
-  created_at: string;
-}
-
-interface MiniUser {
-  id: number;
-  username: string;
-  avatar: string | null;
-  is_following?: boolean;
-}
-
-interface ProfileData {
-  id: number;
-  username: string;
-  theme: string;
-  avatar: string | null;
-  following_count: number;
-  followers_count: number;
-  is_following: boolean;
-  ratings: Rating[];
-  comments: ProfileComment[];
-  followers: MiniUser[];
-  following: MiniUser[];
-}
-
 interface PublicProfileProps {
   adminMode?: boolean;
 }
@@ -86,38 +56,18 @@ const PublicProfile: React.FC<PublicProfileProps> = ({ adminMode }) => {
   const theme = useTheme();
   const { username } = useParams<{ username: string }>();
   const navigate = useNavigate();
-  const [data, setData] = useState<ProfileData | null>(null);
-  const [loading, setLoading] = useState(true);
+  const { data, isLoading: loading } = usePublicProfile(username);
+  const { data: currentUser } = useCurrentUserLite();
+  const followToggle = useFollowToggle();
+  const addComment = useAddProfileComment();
+  const deleteCommentMutation = useDeleteProfileComment();
   const [activeTab, setActiveTab] = useState(0);
   const [categoryTab, setCategoryTab] = useState(0);
-  const [currentUser, setCurrentUser] = useState<{
-    username: string;
-    is_superuser: boolean;
-  } | null>(null);
   const [palette, setPalette] = useState<string[]>([]);
   const [newComment, setNewComment] = useState('');
   const { notify } = useToast();
   const { confirm } = useConfirm();
 
-  const fetchProfile = useCallback(async () => {
-    try {
-      const [profileRes, meRes] = await Promise.all([
-        api.get(`users/profile/${username}/`),
-        localStorage.getItem('access') ? api.get('users/me/') : Promise.resolve({ data: null }),
-      ]);
-      setData(profileRes.data);
-      if (meRes.data) setCurrentUser(meRes.data);
-    } catch (err) {
-      console.error(err);
-    } finally {
-      setLoading(false);
-    }
-  }, [username]);
-
-  useEffect(() => {
-    fetchProfile();
-  }, [fetchProfile]);
-
   useEffect(() => {
     if (data?.avatar) {
       const img = new Image();
@@ -156,13 +106,10 @@ const PublicProfile: React.FC<PublicProfileProps> = ({ adminMode }) => {
   const handleFollowToggle = async () => {
     if (!data) return;
     try {
-      if (data.is_following) {
-        await api.post(`users/${data.id}/unfollow/`);
-        setData({ ...data, is_following: false, followers_count: data.followers_count - 1 });
-      } else {
-        await api.post(`users/${data.id}/follow/`);
-        setData({ ...data, is_following: true, followers_count: data.followers_count + 1 });
-      }
+      await followToggle.mutateAsync({
+        userId: data.id,
+        currentlyFollowing: data.is_following,
+      });
     } catch {
       notify({ message: 'Failed to update follow status. Please login.', severity: 'error' });
     }
@@ -170,9 +117,10 @@ const PublicProfile: React.FC<PublicProfileProps> = ({ adminMode }) => {
 
   const handleMiniFollowToggle = async (user: MiniUser) => {
     try {
-      if (user.is_following) await api.post(`users/${user.id}/unfollow/`);
-      else await api.post(`users/${user.id}/follow/`);
-      fetchProfile();
+      await followToggle.mutateAsync({
+        userId: user.id,
+        currentlyFollowing: !!user.is_following,
+      });
     } catch {
       notify({ message: 'Failed', severity: 'error' });
     }
@@ -182,9 +130,8 @@ const PublicProfile: React.FC<PublicProfileProps> = ({ adminMode }) => {
     e.preventDefault();
     if (!newComment.trim() || !data) return;
     try {
-      await api.post(`users/${data.id}/add_comment/`, { text: newComment });
+      await addComment.mutateAsync({ userId: data.id, text: newComment });
       setNewComment('');
-      fetchProfile();
     } catch {
       notify({ message: 'Failed to add comment', severity: 'error' });
     }
@@ -194,8 +141,7 @@ const PublicProfile: React.FC<PublicProfileProps> = ({ adminMode }) => {
     if (!data) return;
     if (!(await confirm({ message: 'Delete this comment?', danger: true }))) return;
     try {
-      await api.delete(`users/${data.id}/delete_comment/${commentId}/`);
-      fetchProfile();
+      await deleteCommentMutation.mutateAsync({ userId: data.id, commentId });
     } catch {
       notify({ message: 'Failed to delete comment', severity: 'error' });
     }
@@ -218,15 +164,18 @@ const PublicProfile: React.FC<PublicProfileProps> = ({ adminMode }) => {
       </PageShell>
     );
 
-  const categoryGroups = data.ratings.reduce<Record<string, Rating[]>>((acc, rating) => {
-    const cat = rating.category_name || 'Other';
-    if (!acc[cat]) acc[cat] = [];
-    acc[cat].push(rating);
-    return acc;
-  }, {});
+  const categoryGroups = data.ratings.reduce<Record<string, PublicProfileRating[]>>(
+    (acc, rating) => {
+      const cat = rating.category_name || 'Other';
+      if (!acc[cat]) acc[cat] = [];
+      acc[cat].push(rating);
+      return acc;
+    },
+    {},
+  );
 
   const ratingCategories = ['All', ...Object.keys(categoryGroups)];
-  const currentRatings: Rating[] =
+  const currentRatings: PublicProfileRating[] =
     categoryTab === 0 ? data.ratings : categoryGroups[ratingCategories[categoryTab]];
 
   const tiers = [

frontend/src/pages/Settings.tsx

@@ -1,4 +1,15 @@
 import React, { useState, useEffect } from 'react';
+import { useMe } from '../api/queries/useMe';
+import { useBannersList } from '../api/queries/useBanners';
+import {
+  useChangePassword,
+  useConfirmAccountDeletion,
+  useConfirmEmail,
+  useRequestAccountDeletion,
+  useUpdateAvatar,
+  useUpdatePreferences,
+  useUpdateProfile,
+} from '../api/mutations/useSettingsMutations';
 import {
   Typography,
   Box,
@@ -16,7 +27,6 @@ import {
 } from '@mui/material';
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
 import { useNavigate } from 'react-router-dom';
-import api from '../lib/api';
 import { useTranslation } from 'react-i18next';
 import { useTitle } from '../hooks/useTitle';
 import type { CatppuccinTheme } from '../theme';
@@ -28,11 +38,6 @@ interface SettingsProps {
   onThemeChange: (newTheme: CatppuccinTheme) => void;
 }
 
-interface Banner {
-  id: number;
-  name: string;
-}
-
 const readErr = (err: unknown): string | undefined =>
   (err as { response?: { data?: { error?: string } } }).response?.data?.error;
 
@@ -41,6 +46,16 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
   const navigate = useNavigate();
   useTitle(t('nav.settings'));
   const { confirm } = useConfirm();
+  const { data: me } = useMe();
+  const { data: banners = [] } = useBannersList();
+  const updateAvatarMutation = useUpdateAvatar();
+  const updatePrefs = useUpdatePreferences();
+  const updateProfileMutation = useUpdateProfile();
+  const confirmEmailMutation = useConfirmEmail();
+  const changePasswordMutation = useChangePassword();
+  const requestDeletion = useRequestAccountDeletion();
+  const confirmDeletion = useConfirmAccountDeletion();
+
   const [username, setUsername] = useState('');
   const [email, setEmail] = useState('');
   const [currentEmail, setCurrentEmail] = useState('');
@@ -53,7 +68,6 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
   const [deletionCode, setDeletionCode] = useState('');
   const [isDeleting, setIsDeleting] = useState(false);
   const [message, setMessage] = useState<{ type: 'success' | 'error'; text: string } | null>(null);
-  const [banners, setBanners] = useState<Banner[]>([]);
   const [selectedBannerId, setSelectedBannerId] = useState<number | string>('');
 
   const handleGoBack = () => {
@@ -62,33 +76,14 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
   };
 
   useEffect(() => {
-    const fetchUser = async () => {
-      try {
-        const [userRes, bannersRes] = await Promise.all([
-          api.get('users/me/'),
-          api.get('banners/'),
-        ]);
-
-        setUsername(userRes.data.username);
-        setEmail(userRes.data.email);
-        setCurrentEmail(userRes.data.email);
-        setAvatar(userRes.data.avatar);
-        setSelectedBannerId(userRes.data.selected_banner || '');
-
-        if (userRes.data.language) {
-          setLanguage(userRes.data.language);
-        }
-
-        const bannersData: Banner[] = Array.isArray(bannersRes.data)
-          ? bannersRes.data
-          : bannersRes.data.results || [];
-        setBanners(bannersData);
-      } catch (err) {
-        console.error(err);
-      }
-    };
-    fetchUser();
-  }, []);
+    if (!me) return;
+    setUsername(me.username);
+    setEmail(me.email);
+    setCurrentEmail(me.email);
+    setAvatar(me.avatar);
+    setSelectedBannerId(me.selected_banner || '');
+    if (me.language) setLanguage(me.language);
+  }, [me]);
 
   const handleAvatarUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
@@ -99,13 +94,8 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
       return;
     }
 
-    const formData = new FormData();
-    formData.append('avatar', file);
-
     try {
-      const res = await api.post('users/update_avatar/', formData, {
-        headers: { 'Content-Type': 'multipart/form-data' },
-      });
+      const res = await updateAvatarMutation.mutateAsync(file);
       setAvatar(res.data.avatar);
       setMessage({ type: 'success', text: t('settings.avatarSuccess') });
     } catch (err) {
@@ -117,7 +107,7 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
     setLanguage(newLang);
     i18n.changeLanguage(newLang);
     try {
-      await api.patch('users/update_preferences/', { language: newLang });
+      await updatePrefs.mutateAsync({ language: newLang });
     } catch {
       console.error('Failed to update language on server');
     }
@@ -126,7 +116,7 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
   const handleUpdateProfile = async (e: React.FormEvent) => {
     e.preventDefault();
     try {
-      const res = await api.patch('users/update_profile/', { username, email });
+      const res = await updateProfileMutation.mutateAsync({ username, email });
       if (res.data.message) {
         setPendingConfirmation(true);
         setMessage({ type: 'success', text: `${t('settings.updateSuccess')} ${res.data.message}` });
@@ -142,7 +132,7 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
   const handleConfirmEmail = async (e: React.FormEvent) => {
     e.preventDefault();
     try {
-      const res = await api.post('users/confirm_email/', { code: confirmationCode });
+      const res = await confirmEmailMutation.mutateAsync(confirmationCode);
       setMessage({ type: 'success', text: t('settings.updateSuccess') });
       setCurrentEmail(res.data.email);
       setPendingConfirmation(false);
@@ -155,7 +145,7 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
   const handleChangePassword = async (e: React.FormEvent) => {
     e.preventDefault();
     try {
-      await api.post('users/change_password/', {
+      await changePasswordMutation.mutateAsync({
         old_password: oldPassword,
         new_password: newPassword,
       });
@@ -169,7 +159,7 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
 
   const handleRequestDeletion = async () => {
     try {
-      await api.post('users/request_account_deletion/');
+      await requestDeletion.mutateAsync();
       setIsDeleting(true);
       setMessage({ type: 'success', text: t('settings.codeSent') });
     } catch {
@@ -187,7 +177,7 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
     });
     if (!ok) return;
     try {
-      await api.post('users/confirm_account_deletion/', { code: deletionCode });
+      await confirmDeletion.mutateAsync(deletionCode);
       localStorage.removeItem('access');
       localStorage.removeItem('refresh');
       window.location.href = '/';
@@ -281,7 +271,7 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
                     const newId = e.target.value;
                     setSelectedBannerId(newId);
                     try {
-                      await api.patch('users/update_preferences/', { selected_banner: newId });
+                      await updatePrefs.mutateAsync({ selected_banner: newId });
                     } catch {
                       console.error('Failed to update banner preference');
                     }

frontend/src/pages/Support.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useEffect, useCallback } from 'react';
+import React, { useState, useMemo } from 'react';
 import {
   Typography,
   Box,
@@ -21,48 +21,21 @@ import DeleteIcon from '@mui/icons-material/Delete';
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
 import { useTranslation } from 'react-i18next';
 import { useNavigate } from 'react-router-dom';
-import api from '../lib/api';
+import { useTickets } from '../api/queries/useTickets';
+import { useMe } from '../api/queries/useMe';
+import { useNotificationsQuery } from '../api/queries/useNotifications';
+import {
+  useAddTicketMessage,
+  useCreateTicket,
+  useDeleteTicket,
+  useUpdateTicketStatus,
+} from '../api/mutations/useTicketMutations';
 import { useTitle } from '../hooks/useTitle';
 import { formatDate } from '../utils/date';
 import { PageShell, SectionHeader, GlassCard, FormCard, EmptyState } from '../components/ui';
 import { useToast } from '../hooks/useToast';
 import { useConfirm } from '../hooks/useConfirm';
 
-interface Message {
-  id: number;
-  username: string;
-  text: string;
-  created_at: string;
-  is_admin: boolean;
-}
-
-type TicketStatus = 'open' | 'in_progress' | 'resolved' | 'closed';
-
-interface Ticket {
-  id: number;
-  user: number;
-  username: string;
-  user_email: string;
-  user_avatar: string | null;
-  subject: string;
-  description: string;
-  status: TicketStatus;
-  created_at: string;
-  messages: Message[];
-}
-
-interface CurrentUser {
-  id: number;
-  username: string;
-  is_superuser: boolean;
-}
-
-interface NotificationDTO {
-  is_read: boolean;
-  notification_type: string;
-  ticket: number | null;
-}
-
 type ChipStatusColor = 'error' | 'warning' | 'success' | 'default';
 type ButtonStatusColor = 'error' | 'warning' | 'success' | 'primary';
 
@@ -71,47 +44,36 @@ const Support: React.FC = () => {
   const theme = useTheme();
   const navigate = useNavigate();
   useTitle(t('support.title'));
-  const [tickets, setTickets] = useState<Ticket[]>([]);
-  const [loading, setLoading] = useState(true);
-  const [showCreate, setShowCreate] = useState(false);
+  const { data: tickets = [], isLoading: loading } = useTickets();
+  const { data: currentUser = null } = useMe();
+  const { data: notifications = [] } = useNotificationsQuery(true);
+  const createTicketMutation = useCreateTicket();
+  const addMessage = useAddTicketMessage();
+  const updateStatusMutation = useUpdateTicketStatus();
+  const deleteTicketMutation = useDeleteTicket();
 
+  const [showCreate, setShowCreate] = useState(false);
   const [subject, setSubject] = useState('');
   const [description, setDescription] = useState('');
-
   const [replyText, setReplyText] = useState<Record<number, string>>({});
   const [expandedId, setExpandedId] = useState<number | null>(null);
+  const [readTicketIds, setReadTicketIds] = useState<Set<number>>(new Set());
   const { notify } = useToast();
   const { confirm } = useConfirm();
-  const [currentUser, setCurrentUser] = useState<CurrentUser | null>(null);
-  const [unreadTicketIds, setUnreadTicketIds] = useState<Set<number>>(new Set());
 
-  const fetchTickets = useCallback(async () => {
-    try {
-      const [ticketRes, userRes, notifRes] = await Promise.all([
-        api.get('tickets/'),
-        api.get('users/me/'),
-        api.get('notifications/'),
-      ]);
-      setTickets(ticketRes.data.results || ticketRes.data);
-      setCurrentUser(userRes.data);
-
-      const notifs: NotificationDTO[] = notifRes.data.results || notifRes.data;
-      const unreadIds = new Set<number>(
-        notifs
-          .filter((n) => !n.is_read && n.notification_type.startsWith('ticket') && n.ticket != null)
-          .map((n) => n.ticket as number),
-      );
-      setUnreadTicketIds(unreadIds);
-    } catch (err) {
-      console.error(err);
-    } finally {
-      setLoading(false);
-    }
-  }, []);
-
-  useEffect(() => {
-    fetchTickets();
-  }, [fetchTickets]);
+  const unreadTicketIds = useMemo(() => {
+    const ids = new Set<number>();
+    notifications.forEach((n) => {
+      // Notification carries .reply or .rating in its current shape; tickets
+      // arrive as ticket_new / ticket_reply with the ticket id encoded in
+      // .reply (legacy field name re-purposed by the serializer).
+      const ticketId = (n as unknown as { ticket?: number | null }).ticket;
+      if (!n.is_read && n.notification_type.startsWith('ticket') && ticketId != null) {
+        if (!readTicketIds.has(ticketId)) ids.add(ticketId);
+      }
+    });
+    return ids;
+  }, [notifications, readTicketIds]);
 
   const handleExpand = (ticketId: number) => {
     if (expandedId === ticketId) {
@@ -120,20 +82,17 @@ const Support: React.FC = () => {
     }
     setExpandedId(ticketId);
     if (unreadTicketIds.has(ticketId)) {
-      const newUnread = new Set(unreadTicketIds);
-      newUnread.delete(ticketId);
-      setUnreadTicketIds(newUnread);
+      setReadTicketIds((prev) => new Set(prev).add(ticketId));
     }
   };
 
   const handleCreate = async (e: React.FormEvent) => {
     e.preventDefault();
     try {
-      await api.post('tickets/', { subject, description });
+      await createTicketMutation.mutateAsync({ subject, description });
       setSubject('');
       setDescription('');
       setShowCreate(false);
-      fetchTickets();
     } catch {
       notify({ message: 'Failed to create ticket', severity: 'error' });
     }
@@ -143,9 +102,8 @@ const Support: React.FC = () => {
     const text = replyText[ticketId];
     if (!text) return;
     try {
-      await api.post(`tickets/${ticketId}/add_message/`, { text });
+      await addMessage.mutateAsync({ ticketId, text });
       setReplyText({ ...replyText, [ticketId]: '' });
-      fetchTickets();
     } catch {
       notify({ message: 'Failed to send message', severity: 'error' });
     }
@@ -153,8 +111,7 @@ const Support: React.FC = () => {
 
   const handleUpdateStatus = async (ticketId: number, status: string) => {
     try {
-      await api.post(`tickets/${ticketId}/update_status/`, { status });
-      fetchTickets();
+      await updateStatusMutation.mutateAsync({ ticketId, status });
     } catch {
       notify({ message: 'Failed to update status', severity: 'error' });
     }
@@ -163,8 +120,7 @@ const Support: React.FC = () => {
   const handleDeleteTicket = async (ticketId: number) => {
     if (!(await confirm({ message: 'Delete this ticket?', danger: true }))) return;
     try {
-      await api.delete(`tickets/${ticketId}/`);
-      fetchTickets();
+      await deleteTicketMutation.mutateAsync(ticketId);
     } catch {
       notify({ message: 'Failed to delete ticket', severity: 'error' });
     }

frontend/src/pages/categories/CategoryFlavors.tsx

@@ -1,10 +1,10 @@
-import React, { useEffect, useState } from 'react';
+import React from 'react';
 import { useParams, useNavigate } from 'react-router-dom';
 import { Box, CircularProgress, Button } from '@mui/material';
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
-import api from '../../lib/api';
 import { useTitle } from '../../hooks/useTitle';
 import { useTranslation } from 'react-i18next';
+import { useCategoryFlavors } from '../../api/queries/useCategoryFlavors';
 import {
   PageShell,
   HeroBackdrop,
@@ -13,35 +13,12 @@ import {
   EmptyState,
 } from '../../components/ui';
 
-interface Rating {
-  id: number;
-  user: string;
-  score: number;
-  comment: string;
-  created_at: string;
-}
-
-interface Flavor {
-  id: number;
-  name: string;
-  category_name: string;
-  description: string;
-  average_rating: number;
-  user_rating: number | null;
-  ratings: Rating[];
-  image_url: string | null;
-  is_available: boolean;
-  is_legacy: boolean;
-  shop_url: string | null;
-}
-
 const CategoryFlavors: React.FC = () => {
   const { t } = useTranslation();
   const { slug } = useParams<{ slug: string }>();
   const navigate = useNavigate();
-  const [flavors, setFlavors] = useState<Flavor[]>([]);
-  const [categoryName, setCategoryName] = useState('');
-  const [loading, setLoading] = useState(true);
+  const { data: flavors = [], isLoading: loading } = useCategoryFlavors(slug);
+  const categoryName = flavors[0]?.category_name || '';
 
   const handleGoBack = () => {
     if (window.history.length > 1) {
@@ -51,25 +28,6 @@ const CategoryFlavors: React.FC = () => {
     }
   };
 
-  useEffect(() => {
-    const fetchFlavors = async () => {
-      setLoading(true);
-      try {
-        const res = await api.get(`flavors/?category__slug=${slug}`);
-        const data: Flavor[] = Array.isArray(res.data) ? res.data : res.data.results || [];
-        setFlavors(data);
-        if (data.length > 0) {
-          setCategoryName(data[0].category_name);
-        }
-      } catch (err) {
-        console.error(err);
-      } finally {
-        setLoading(false);
-      }
-    };
-    fetchFlavors();
-  }, [slug]);
-
   useTitle(categoryName || 'Flavors');
 
   if (loading)

frontend/src/pages/flavors/FlavorDetail.tsx

@@ -1,4 +1,4 @@
-import React, { useCallback, useEffect, useState } from 'react';
+import React, { useEffect, useState } from 'react';
 import { useParams, Link, useNavigate } from 'react-router-dom';
 import { useTranslation } from 'react-i18next';
 import {
@@ -20,7 +20,17 @@ import {
   Switch,
   Divider,
 } from '@mui/material';
-import api from '../../lib/api';
+import { useFlavorDetail, type FlavorDetailRating } from '../../api/queries/useFlavorDetail';
+import { useCurrentUserLite } from '../../api/queries/useCurrentUserLite';
+import { useUpdateFlavor } from '../../api/mutations/useFlavorMutations';
+import {
+  useCreateRating,
+  useDeleteRating,
+  useCreateReply,
+  useDeleteReply,
+  useUpdateRating,
+} from '../../api/mutations/useRatingMutations';
+import { useUpdateReply } from '../../api/mutations/useReplyMutations';
 import { useTitle } from '../../hooks/useTitle';
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
 import ShoppingCartIcon from '@mui/icons-material/ShoppingCart';
@@ -38,38 +48,6 @@ import { PageShell, HeroBackdrop, GlassCard, SectionHeader, EmptyState } from '.
 import { useToast } from '../../hooks/useToast';
 import { useConfirm } from '../../hooks/useConfirm';
 
-interface Reply {
-  id: number;
-  user: string;
-  text: string;
-  created_at: string;
-}
-
-interface Rating {
-  id: number;
-  user: string;
-  user_avatar: string | null;
-  score: number;
-  comment: string;
-  created_at: string;
-  replies: Reply[];
-}
-
-interface Flavor {
-  id: number;
-  name: string;
-  category_name: string;
-  category_slug: string;
-  description: string;
-  average_rating: number;
-  user_rating: number | null;
-  ratings: Rating[];
-  image_url: string | null;
-  is_available: boolean;
-  is_legacy: boolean;
-  shop_url: string | null;
-}
-
 interface FlavorDetailProps {
   adminMode?: boolean;
 }
@@ -81,11 +59,18 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
   const navigate = useNavigate();
   const { notify } = useToast();
   const { confirm } = useConfirm();
-  const [flavor, setFlavor] = useState<Flavor | null>(null);
-  const [loading, setLoading] = useState(true);
+  const { data: flavor, isLoading: loading } = useFlavorDetail(id);
+  const { data: meData } = useCurrentUserLite();
+  const currentUser = meData?.username ?? null;
+  const updateFlavor = useUpdateFlavor();
+  const createRating = useCreateRating();
+  const deleteRatingMutation = useDeleteRating();
+  const updateRating = useUpdateRating();
+  const createReply = useCreateReply();
+  const updateReply = useUpdateReply();
+  const deleteReplyMutation = useDeleteReply();
   const [replyInputs, setReplyInputs] = useState<{ [key: number]: string }>({});
   const [expandedReplies, setExpandedReplies] = useState<{ [key: number]: boolean }>({});
-  const [currentUser, setCurrentUser] = useState<string | null>(null);
 
   // Product Edit state (Admin)
   const [isAdminEditing, setIsAdminEditing] = useState(false);
@@ -111,44 +96,25 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
   const [editingReplyId, setEditingReplyId] = useState<number | null>(null);
   const [editReplyText, setEditReplyText] = useState('');
 
-  const fetchFlavor = useCallback(async () => {
-    try {
-      const res = await api.get(`flavors/${id}/`);
-      setFlavor(res.data);
-      setEditFlavorData({
-        name: res.data.name,
-        description: res.data.description,
-        shop_url: res.data.shop_url || '',
-        is_available: res.data.is_available,
-        is_legacy: res.data.is_legacy,
-      });
-    } catch (err) {
-      console.error(err);
-    } finally {
-      setLoading(false);
-    }
-  }, [id]);
-
   useEffect(() => {
-    const getUser = async () => {
-      try {
-        const res = await api.get('users/me/');
-        setCurrentUser(res.data.username);
-      } catch {
-        /* ignore */
-      }
-    };
-    getUser();
-    fetchFlavor();
-  }, [fetchFlavor]);
+    if (flavor) {
+      setEditFlavorData({
+        name: flavor.name,
+        description: flavor.description,
+        shop_url: flavor.shop_url || '',
+        is_available: flavor.is_available,
+        is_legacy: flavor.is_legacy,
+      });
+    }
+  }, [flavor]);
 
   useTitle(flavor?.name || t('common.loading'));
 
   const handleAdminUpdate = async () => {
+    if (!id) return;
     try {
-      await api.patch(`flavors/${id}/`, editFlavorData);
+      await updateFlavor.mutateAsync({ id, data: editFlavorData });
       setIsAdminEditing(false);
-      fetchFlavor();
     } catch {
       notify({ message: 'Admin update failed', severity: 'error' });
     }
@@ -156,17 +122,14 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
 
   const handleImageUpload = async (e: React.ChangeEvent<HTMLInputElement>) => {
     const file = e.target.files?.[0];
-    if (!file) return;
+    if (!file || !id) return;
 
     const formData = new FormData();
     formData.append('image', file);
 
     try {
       setUploadingImage(true);
-      await api.patch(`flavors/${id}/`, formData, {
-        headers: { 'Content-Type': 'multipart/form-data' },
-      });
-      fetchFlavor();
+      await updateFlavor.mutateAsync({ id, data: formData, isFormData: true });
     } catch {
       notify({ message: 'Image upload failed', severity: 'error' });
     } finally {
@@ -180,11 +143,11 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
       notify({ message: 'Please select a score', severity: 'warning' });
       return;
     }
+    if (!flavor) return;
     try {
-      await api.post('ratings/', { flavor: flavor?.id, score: newScore, comment: newComment });
+      await createRating.mutateAsync({ flavor: flavor.id, score: newScore, comment: newComment });
       setNewScore(null);
       setNewComment('');
-      fetchFlavor();
     } catch (err) {
       const msg = (err as { response?: { data?: { error?: string } } }).response?.data?.error;
       notify({ message: msg || 'Failed to submit rating', severity: 'error' });
@@ -195,10 +158,9 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
     const text = replyInputs[ratingId];
     if (!text) return;
     try {
-      await api.post(`ratings/${ratingId}/reply/`, { text });
+      await createReply.mutateAsync({ ratingId, text });
       setReplyInputs({ ...replyInputs, [ratingId]: '' });
       setExpandedReplies((prev) => ({ ...prev, [ratingId]: true }));
-      fetchFlavor();
     } catch {
       notify({ message: 'Failed to submit reply', severity: 'error' });
     }
@@ -207,9 +169,8 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
   const handleUpdateReply = async (replyId: number) => {
     if (!editReplyText) return;
     try {
-      await api.patch(`replies/${replyId}/`, { text: editReplyText });
+      await updateReply.mutateAsync({ replyId, text: editReplyText });
       setEditingReplyId(null);
-      fetchFlavor();
     } catch {
       notify({ message: 'Failed to update reply', severity: 'error' });
     }
@@ -218,8 +179,7 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
   const handleDeleteReply = async (replyId: number) => {
     if (!(await confirm({ message: 'Delete this reply?', danger: true }))) return;
     try {
-      await api.delete(`replies/${replyId}/`);
-      fetchFlavor();
+      await deleteReplyMutation.mutateAsync(replyId);
     } catch {
       notify({ message: 'Failed to delete reply', severity: 'error' });
     }
@@ -228,14 +188,13 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
   const handleDeleteRating = async (ratingId: number) => {
     if (!(await confirm({ message: 'Delete this review?', danger: true }))) return;
     try {
-      await api.delete(`ratings/${ratingId}/`);
-      fetchFlavor();
+      await deleteRatingMutation.mutateAsync(ratingId);
     } catch {
       notify({ message: 'Failed to delete review', severity: 'error' });
     }
   };
 
-  const startEdit = (rating: Rating) => {
+  const startEdit = (rating: FlavorDetailRating) => {
     setEditMode(rating.id);
     setEditScore(rating.score);
     setEditComment(rating.comment || '');
@@ -243,9 +202,8 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
 
   const handleUpdateRating = async (ratingId: number) => {
     try {
-      await api.patch(`ratings/${ratingId}/`, { score: editScore, comment: editComment });
+      await updateRating.mutateAsync({ id: ratingId, score: editScore, comment: editComment });
       setEditMode(null);
-      fetchFlavor();
     } catch {
       notify({ message: 'Failed to update review', severity: 'error' });
     }
@@ -544,7 +502,7 @@ const FlavorDetail: React.FC<FlavorDetailProps> = ({ adminMode }) => {
             {flavor.ratings.length === 0 ? (
               <EmptyState title={t('dashboard.noRatings')} />
             ) : (
-              flavor.ratings.map((rating: Rating) => (
+              flavor.ratings.map((rating: FlavorDetailRating) => (
                 <GlassCard key={rating.id}>
                   <CardContent sx={{ p: 3 }}>
                     {editMode === rating.id ? (

frontend/src/test/queryWrapper.tsx

@@ -0,0 +1,18 @@
+import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
+import type { ReactNode } from 'react';
+
+/**
+ * Build a fresh QueryClient per test so cache state never leaks across cases.
+ * Disable retries so failed mocks fail fast.
+ */
+export const createTestQueryClient = () =>
+  new QueryClient({
+    defaultOptions: {
+      queries: { retry: false, gcTime: 0, staleTime: 0 },
+      mutations: { retry: false },
+    },
+  });
+
+export const withQueryClient = (children: ReactNode, client = createTestQueryClient()) => (
+  <QueryClientProvider client={client}>{children}</QueryClientProvider>
+);