feat: implement primary account identifier and streamline add account flow via direct Steam login

frontend/dist-electron/services/backend.js

@@ -67,7 +67,8 @@ class BackendService {
                 gameBans: account.gameBans,
                 loginName: account.loginName,
                 steamLoginSecure: account.steamLoginSecure,
-                loginConfig: account.loginConfig
+                loginConfig: account.loginConfig,
+                sessionUpdatedAt: account.sessionUpdatedAt
             }, { headers: this.headers });
         }
         catch (e) {
@@ -100,5 +101,34 @@ class BackendService {
             throw new Error(e.response?.data?.message || 'Failed to share account');
         }
     }
+    async revokeAccess(steamId, targetSteamId) {
+        if (!this.token)
+            return;
+        try {
+            const response = await axios_1.default.delete(`${this.url}/api/sync/${steamId}/share`, {
+                headers: this.headers,
+                data: { targetSteamId }
+            });
+            return response.data;
+        }
+        catch (e) {
+            console.error(`[Backend] Failed to revoke access for ${steamId} from ${targetSteamId}`);
+            throw new Error(e.response?.data?.message || 'Failed to revoke access');
+        }
+    }
+    async revokeAllAccess(steamId) {
+        if (!this.token)
+            return;
+        try {
+            const response = await axios_1.default.delete(`${this.url}/api/sync/${steamId}/share/all`, {
+                headers: this.headers
+            });
+            return response.data;
+        }
+        catch (e) {
+            console.error(`[Backend] Failed to revoke all access for ${steamId}`);
+            throw new Error(e.response?.data?.message || 'Failed to revoke all access');
+        }
+    }
 }
 exports.BackendService = BackendService;