hyprland

src/routes/mod.rs

@@ -23,6 +23,7 @@ pub fn api_router() -> Router<AppState> {
         .route("/export", get(export::export))
         .route("/backup", get(backup::status).post(backup::run))
         .route("/spaces", get(nodes::spaces).post(nodes::create_space))
+        .route("/spaces/overview", get(nodes::overview))
         .route("/spaces/{id}/board", get(boards::board))
         .route("/spaces/{id}/lists", post(boards::create_list))
         .route("/lists/{id}", put(boards::rename_list).delete(boards::remove_list))

src/routes/nodes.rs

@@ -277,17 +277,65 @@ fn row_to_summary(row: &sqlx::sqlite::SqliteRow, head: &str) -> NodeSummary {
 
 /// The spaces, in display order. Their child counts are what the switcher shows.
 pub async fn spaces(_: Session, State(state): State<AppState>) -> AppResult<Json<Vec<NodeSummary>>> {
+    list_spaces(&state.db).await.map(Json)
+}
+
+async fn list_spaces(db: &SqlitePool) -> AppResult<Vec<NodeSummary>> {
     let rows = sqlx::query(&format!(
         "SELECT {SUMMARY_COLUMNS} FROM nodes n
          WHERE n.parent_id IS NULL AND n.kind = 'space'
          ORDER BY n.position, n.name"
     ))
-    .fetch_all(&state.db)
+    .fetch_all(db)
     .await?;
 
-    Ok(Json(
+    Ok(rows.iter().map(|row| row_to_summary(row, "")).collect())
-        rows.iter().map(|row| row_to_summary(row, "")).collect(),
+}
+
+/// How many documents each space shows in the overview.
+const OVERVIEW_RECENT: i64 = 4;
+
+#[derive(Serialize)]
+pub struct SpaceOverview {
+    pub space: NodeSummary,
+    pub recent: Vec<NodeSummary>,
+}
+
+/// Every space with the documents last written in it, from any depth: what
+/// the overview shows, the way the desktop's overview shows each workspace
+/// with its windows.
+pub async fn overview(_: Session, State(state): State<AppState>) -> AppResult<Json<Vec<SpaceOverview>>> {
+    let mut out = Vec::new();
+    for space in list_spaces(&state.db).await? {
+        let recent = recent_documents(&state.db, space.id, OVERVIEW_RECENT).await?;
+        out.push(SpaceOverview { space, recent });
+    }
+    Ok(Json(out))
+}
+
+/// The `limit` most recently edited documents anywhere under `root`.
+pub async fn recent_documents(db: &SqlitePool, root: i64, limit: i64) -> AppResult<Vec<NodeSummary>> {
+    let rows = sqlx::query(&format!(
+        "WITH RECURSIVE sub (id) AS (
+             SELECT id FROM nodes WHERE id = ?1
+             UNION ALL
+             SELECT n.id FROM nodes n JOIN sub ON n.parent_id = sub.id
+         )
+         SELECT {SUMMARY_COLUMNS}, substr(n.body, 1, {HEAD_CHARS}) AS head
+         FROM nodes n
+         WHERE n.kind = 'document' AND n.id IN (SELECT id FROM sub)
+         ORDER BY n.updated_at DESC, n.id DESC
+         LIMIT ?2"
     ))
+    .bind(root)
+    .bind(limit)
+    .fetch_all(db)
+    .await?;
+
+    Ok(rows
+        .iter()
+        .map(|row| row_to_summary(row, &row.try_get::<String, _>("head").unwrap_or_default()))
+        .collect())
 }
 
 pub async fn create_space(
@@ -718,7 +766,55 @@ pub async fn load(state: &AppState, id: i64) -> AppResult<Node> {
 mod tests {
     use std::collections::BTreeSet;
 
-    use super::{excerpt, fts_query, next_slug, slugify, EXCERPT_CHARS, HEAD_CHARS};
+    use super::{
+        excerpt, fts_query, next_slug, recent_documents, slugify, EXCERPT_CHARS, HEAD_CHARS,
+    };
+
+    /// The overview reaches into folders, newest edit first, and stops at the
+    /// limit — and never lists a folder as if it were a document.
+    #[tokio::test]
+    async fn recent_documents_come_from_any_depth() {
+        let db = sqlx::sqlite::SqlitePoolOptions::new()
+            .max_connections(1)
+            .connect("sqlite::memory:")
+            .await
+            .expect("an in-memory database");
+        sqlx::migrate!("./migrations").run(&db).await.expect("migrations apply");
+
+        let insert = |parent: i64, kind: &'static str, slug: &'static str, at: i64| {
+            let db = db.clone();
+            async move {
+                sqlx::query_scalar::<_, i64>(
+                    "INSERT INTO nodes (parent_id, kind, name, slug, body, created_at, updated_at)
+                     VALUES (?1, ?2, ?3, ?3, '', ?4, ?4) RETURNING id",
+                )
+                .bind(parent)
+                .bind(kind)
+                .bind(slug)
+                .bind(at)
+                .fetch_one(&db)
+                .await
+                .expect("insert")
+            }
+        };
+        let space: i64 = sqlx::query_scalar("SELECT id FROM nodes WHERE slug = 'uni'")
+            .fetch_one(&db)
+            .await
+            .expect("the seeded space");
+        let folder = insert(space, "folder", "deep", 1).await;
+        let inner = insert(folder, "folder", "deeper", 2).await;
+        insert(space, "document", "a", 10).await;
+        insert(folder, "document", "b", 30).await;
+        insert(inner, "document", "c", 20).await;
+
+        let slugs: Vec<String> = recent_documents(&db, space, 2)
+            .await
+            .expect("query")
+            .into_iter()
+            .map(|n| n.slug)
+            .collect();
+        assert_eq!(slugs, ["b", "c"]);
+    }
 
     #[test]
     fn strips_markdown_furniture() {

web/src/App.svelte

@@ -7,6 +7,7 @@
   import DocumentPane from './lib/DocumentPane.svelte'
   import Help from './lib/Help.svelte'
   import Login from './lib/Login.svelte'
+  import Overview from './lib/Overview.svelte'
   import MediaBrowser from './lib/MediaBrowser.svelte'
   import Rail from './lib/Rail.svelte'
   import Shared from './lib/Shared.svelte'
@@ -43,6 +44,7 @@
     hooks.pickArchive = () => importInput?.click()
     hooks.focusList = () => shell?.focus()
     hooks.openCommandLine = (initial) => (cmdline = initial)
+    hooks.openOverview = () => void openOverview()
   })
 
   /*
@@ -92,14 +94,87 @@
   const offers: [string, string][] = [
     ['o', 'write a new document'],
     ['O', 'make a folder'],
-    ['R', 'rename what is marked'],
-    ['b', "this space's board"],
     ['j / k', 'browse, l opens'],
-    ['h', 'up one level'],
+    ['1 … 9', 'switch space, Tab cycles'],
+    ['w', 'overview of every space'],
+    ['b', "this space's board"],
     ['/', 'search this space'],
     ['?', 'help'],
   ]
 
+  /*
+   * Spaces are workspaces: digits jump to one, shifted digits send the node
+   * there, Tab walks along the bar. `event.code` rather than `event.key`, so
+   * Shift+1 means space 1 whatever symbol the layout puts on that key.
+   */
+  function spaceKey(event: KeyboardEvent): boolean {
+    const digit = /^Digit(\d)$/.exec(event.code)?.[1]
+    if (digit !== undefined) {
+      const index = digit === '0' ? 9 : Number(digit) - 1
+      void workspace.guard(() =>
+        event.shiftKey ? workspace.sendToSpace(index) : workspace.switchSpace(index),
+      )
+      return true
+    }
+    if (event.key === 'Tab') {
+      void workspace.guard(() => workspace.cycleSpace(event.shiftKey ? -1 : 1))
+      return true
+    }
+    if (event.key === 'w') {
+      void openOverview()
+      return true
+    }
+    return false
+  }
+
+  async function openOverview() {
+    await workspace.guard(() => workspace.loadOverview())
+    workspace.overviewCursor = Math.max(
+      workspace.overview.findIndex((entry) => entry.space.id === workspace.spaceId),
+      0,
+    )
+    workspace.overlay = 'overview'
+  }
+
+  /** The overview's own keys: hjkl across the grid, a digit or Enter to go. */
+  function overviewKey(event: KeyboardEvent): boolean {
+    const count = workspace.overview.length
+    const columns = hooks.overviewColumns()
+    const go = (index: number) => {
+      const entry = workspace.overview[index]
+      if (!entry) return
+      workspace.overlay = 'none'
+      void workspace.guard(() => workspace.enterSpace(entry.space.id))
+    }
+    const digit = /^Digit(\d)$/.exec(event.code)?.[1]
+    if (digit !== undefined) {
+      go(digit === '0' ? 9 : Number(digit) - 1)
+      return true
+    }
+    const step: Record<string, number> = { h: -1, ArrowLeft: -1, l: 1, ArrowRight: 1, k: -columns, ArrowUp: -columns, j: columns, ArrowDown: columns }
+    if (event.key in step) {
+      workspace.overviewCursor = Math.min(Math.max(workspace.overviewCursor + step[event.key], 0), count - 1)
+      return true
+    }
+    if (event.key === 'Enter') {
+      go(workspace.overviewCursor)
+      return true
+    }
+    if (event.key === 'w' || event.key === 'q') {
+      workspace.overlay = 'none'
+      return true
+    }
+    return false
+  }
+
+  /** Alt+h / Alt+l: focus moves between the panes, out of the editor too. */
+  function focusPane(pane: 'list' | 'document') {
+    if (pane === 'document' && !workspace.open) return
+    workspace.pane = pane
+    if (pane === 'document' && workspace.editing) hooks.focusEditor()
+    else shell?.focus()
+  }
+
   /*
    * The board reads the same keys as the list, one dimension wider: h/l walk
    * the lists, j/k the cards, and the shifted pair takes the card along. Only
@@ -185,6 +260,19 @@
       return
     }
 
+    if (event.altKey && !event.ctrlKey && !event.metaKey && (event.key === 'h' || event.key === 'l')) {
+      event.preventDefault()
+      focusPane(event.key === 'h' ? 'list' : 'document')
+      return
+    }
+
+    if (workspace.overlay === 'overview' && !event.ctrlKey && !event.metaKey && !event.altKey) {
+      if (overviewKey(event)) {
+        event.preventDefault()
+        return
+      }
+    }
+
     if (event.key === 'Escape') {
       if (workspace.overlay !== 'none') {
         workspace.overlay = 'none'
@@ -195,6 +283,10 @@
         shell?.focus()
         return
       }
+      if (workspace.fullscreen && !workspace.editing) {
+        workspace.fullscreen = false
+        return
+      }
     }
 
     if (workspace.overlay !== 'none') {
@@ -222,6 +314,16 @@
     const previous = pending
     pending = ''
 
+    if (spaceKey(event)) {
+      event.preventDefault()
+      return
+    }
+    if (key === 'f') {
+      event.preventDefault()
+      workspace.fullscreen = !workspace.fullscreen
+      return
+    }
+
     if (workspace.view === 'board') {
       if (previous === 'g' && key === 'g') {
         event.preventDefault()
@@ -239,11 +341,11 @@
     }
 
     /*
-     * With a document open and not being edited, the reading pane owns j/k:
+     * The focused pane owns j/k. In the document they scroll what is on
-     * the keys scroll what is on screen, and `h` backs out to the list, where
+     * screen; `h` moves focus to the list with the document still open, where
-     * they walk the rows again.
+     * they walk the rows again, and `l` goes back.
      */
-    const reading = !!workspace.open && !workspace.editing
+    const reading = !!workspace.open && !workspace.editing && workspace.pane === 'document'
 
     // Two-key sequences: gg and dd.
     if (previous === 'g' && key === 'g') {
@@ -284,7 +386,8 @@
       case 'l':
       case 'ArrowRight':
         event.preventDefault()
-        void workspace.guard(() => workspace.openSelected())
+        if (workspace.open && workspace.selected?.id === workspace.open.id) focusPane('document')
+        else void workspace.guard(() => workspace.openSelected())
         break
       case 'm':
         // Pick a node up here, walk to a folder, put it down with `p`.
@@ -323,10 +426,10 @@
         break
       case 'h':
       case 'ArrowLeft':
-        // Out of the document if one is open, otherwise up a level — the same
+        // Leftwards at every depth: from the document to the list, from the
-        // key means "leftwards" at both depths.
+        // list up a level.
         event.preventDefault()
-        if (workspace.open) void runCommand('q')
+        if (workspace.open && workspace.pane === 'document') focusPane('list')
         else void workspace.guard(() => workspace.up())
         break
       case 'q':
@@ -382,13 +485,34 @@
 
     <!-- The opening in the frame: everything that scrolls is seen through it. -->
     <main class="porthole">
+      <!-- Keyed on the space, so a switch slides the new one in, as the desktop
+           does between workspaces: from below when moving right, above when left. -->
+      {#key workspace.spaceId}
       {#if workspace.view === 'board'}
         <!-- The board takes the whole width: its columns are the two panes. -->
-        <div class="panes board"><Board /></div>
+        <div class="panes board switch" style="--dir: {workspace.switchDirection}">
+          <div class="window focused"><Board /></div>
+        </div>
       {:else}
-        <div class="panes" class:reading={!!workspace.open}>
+        <div
-          <div class="list"><Sidebar /></div>
+          class="panes switch"
-          <div class="entry">
+          class:reading={!!workspace.open}
+          class:full={workspace.fullscreen}
+          class:focus-doc={!!workspace.open && workspace.pane === 'document'}
+          style="--dir: {workspace.switchDirection}"
+        >
+          <!-- svelte-ignore a11y_no_static_element_interactions -->
+          <div
+            class="window list"
+            class:focused={!workspace.open || workspace.pane === 'list'}
+            onpointerdown={() => (workspace.pane = 'list')}
+          ><Sidebar /></div>
+          <!-- svelte-ignore a11y_no_static_element_interactions -->
+          <div
+            class="window entry"
+            class:focused={!!workspace.open && workspace.pane === 'document'}
+            onpointerdown={() => workspace.open && (workspace.pane = 'document')}
+          >
             {#if workspace.open}
               <DocumentPane />
             {:else}
@@ -409,6 +533,7 @@
           </div>
         </div>
       {/if}
+      {/key}
     </main>
 
     <StatusBar />
@@ -421,7 +546,7 @@
       <!-- svelte-ignore a11y_click_events_have_key_events, a11y_no_static_element_interactions, a11y_no_noninteractive_tabindex -->
       <div class="overlay" tabindex="-1" bind:this={overlayEl} onclick={(e) => e.target === e.currentTarget && (workspace.overlay = 'none')}
       >
-        {#if workspace.overlay === 'help'}<Help />{:else}<MediaBrowser />{/if}
+        {#if workspace.overlay === 'help'}<Help />{:else if workspace.overlay === 'overview'}<Overview />{:else}<MediaBrowser />{/if}
       </div>
     {/if}
   </div>
@@ -473,15 +598,64 @@
     z-index: 5;
   }
 
+  /*
+   * The panes tile the porthole like windows tile a workspace: a gap round
+   * and between them, each rounded to sit concentric with the frame.
+   */
   .panes {
+    --gap: 7px;
     height: 100%;
     display: grid;
     grid-template-columns: minmax(32ch, 24vw) 1fr;
+    gap: var(--gap);
+    padding: var(--gap);
   }
 
   .panes.board { grid-template-columns: 1fr; }
 
-  .list, .entry { min-width: 0; min-height: 0; overflow: hidden; }
+  /*
+   * A window: opaque, a hairline border in overlay. The focused one gets the
+   * desktop's active border — a light gradient at 135° — and its shadow.
+   */
+  .window {
+    --pane-bg: color-mix(in oklab, var(--surface) 40%, var(--base));
+    min-width: 0;
+    min-height: 0;
+    overflow: hidden;
+    border: 1px solid transparent;
+    border-radius: calc(var(--frame-radius) - var(--gap));
+    background:
+      linear-gradient(var(--pane-bg), var(--pane-bg)) padding-box,
+      linear-gradient(var(--overlay), var(--overlay)) border-box;
+    transition: box-shadow var(--t-base) var(--ease-glide);
+  }
+  .window.list { --pane-bg: color-mix(in oklab, var(--surface) 60%, var(--base)); }
+  .window.focused {
+    background:
+      linear-gradient(var(--pane-bg), var(--pane-bg)) padding-box,
+      linear-gradient(135deg, var(--light), var(--light-dim)) border-box;
+    box-shadow: 0 6px 24px rgb(0 0 0 / 0.45);
+  }
+  /* Only one pane on screen: nothing to tell apart, so no active border. */
+  .panes:not(.reading) .window.list,
+  .panes.board .window {
+    background:
+      linear-gradient(var(--pane-bg), var(--pane-bg)) padding-box,
+      linear-gradient(var(--overlay), var(--overlay)) border-box;
+    box-shadow: none;
+  }
+  .panes:not(.reading) .window.entry { border-color: transparent; background: transparent; }
+
+  /* `f`: the focused pane fills the porthole. */
+  .panes.full { grid-template-columns: 1fr; }
+  .panes.full .window:not(.focused) { display: none; }
+  .panes.full:not(.reading) .window.entry { display: none; }
+
+  /* hypr: workspaces, slidefadevert 18%, 550ms on the drift curve. */
+  .switch { animation: slidefadevert 550ms var(--ease-drift) both; }
+  @keyframes slidefadevert {
+    from { opacity: 0; transform: translateY(calc(var(--dir, 1) * 18%)); }
+  }
 
   .placeholder { display: grid; place-items: center; height: 100%; padding: 24px; }
   .standby { width: min(100%, 44ch); }
@@ -515,7 +689,7 @@
   .hidden { display: none; }
 
   @media (max-width: 760px) {
-    .panes { grid-template-columns: 1fr; }
+    .panes { grid-template-columns: 1fr; --gap: 4px; }
     .panes .entry { display: none; }
     .panes.reading .list { display: none; }
     .panes.reading .entry { display: block; }

web/src/app.css

@@ -44,6 +44,7 @@
   --ease-snap: cubic-bezier(0.22, 1, 0.36, 1);
   --ease-glide: cubic-bezier(0.4, 0, 0.2, 1);
   --ease-in: cubic-bezier(0.55, 0, 0.9, 0.35);
+  --ease-drift: cubic-bezier(0.35, 0, 0.15, 1);
   --t-fast: 120ms;
   --t-base: 220ms;
   --t-slow: 380ms;

web/src/lib/Bar.svelte

@@ -26,13 +26,14 @@
   <span class="divider"></span>
 
   <nav class="spaces" aria-label="spaces">
-    {#each workspace.spaces as space (space.id)}
+    {#each workspace.spaces as space, index (space.id)}
       <button
         class="pill"
         aria-current={space.id === workspace.spaceId}
+        title="{space.name} ({index < 10 ? (index + 1) % 10 : ''})"
         onclick={() => workspace.guard(() => workspace.enterSpace(space.id))}
       >
-        {space.slug}
+        {#if index < 10}<span class="n">{(index + 1) % 10}</span>{/if}{space.slug}
       </button>
     {/each}
     <button class="pill add" title="new space (:space! <name>)" onclick={() => hooks.openCommandLine(':space! ')}>
@@ -129,10 +130,19 @@
   .crumbs { flex: 0 1 auto; }
 
   /* Workspace pills: muted at rest, light on hover, inverted when current. */
+  /* The focused pill widens, as the desktop's does, over the slow duration. */
   .pill {
+    flex: none;
+    display: flex;
+    align-items: center;
+    gap: 6px;
     min-width: 22px;
     height: 20px;
     padding: 0 6px;
+    transition:
+      padding var(--t-slow) var(--ease-snap),
+      background-color var(--t-base) var(--ease-glide),
+      color var(--t-base) var(--ease-glide);
     border: 0;
     border-radius: 4px;
     font-size: 11px;
@@ -142,7 +152,10 @@
     background: transparent;
   }
   .pill:hover { background: transparent; color: var(--light); }
-  .pill[aria-current='true'] { background: var(--light); color: var(--ink); }
+  .pill[aria-current='true'] { background: var(--light); color: var(--ink); padding: 0 12px; }
+  .n { color: var(--overlay); font-size: 10px; }
+  .pill:hover .n { color: var(--muted); }
+  .pill[aria-current='true'] .n { color: var(--ink); opacity: 0.55; }
   .pill:focus-visible { background: var(--light); color: var(--ink); }
   .pill.add { color: var(--overlay); }
   .pill.add:hover { color: var(--light); }

web/src/lib/DocumentPane.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
   import { hooks, runCommand, type ScrollAmount } from './commands'
   import { renderMarkdown } from './markdown'
+  import Outline from './Outline.svelte'
   import { workspace } from './store.svelte'
   import { formatStamp, formatWeekday, isTouchDevice, relative } from './util'
 
@@ -17,6 +18,7 @@
   const sharePath = $derived(doc.share_token ? `${location.origin}/s/${doc.share_token}#…` : null)
 
   let reader = $state<HTMLElement>()
+  let article = $state<HTMLElement>()
 
   /*
    * j/k reach this pane through the window handler in App.svelte, which has no
@@ -24,7 +26,9 @@
    * says whether it scrolled anything at all.
    */
   $effect(() => {
-    hooks.scrollReader = (amount: ScrollAmount) => {
+    // A space switch remounts this pane, and the old one's cleanup can run
+    // after the new one has set the hook — so it only clears its own.
+    const scroll = (amount: ScrollAmount) => {
       if (!reader) return false
       const line = parseFloat(getComputedStyle(reader).lineHeight) || 24
       const half = reader.clientHeight / 2
@@ -46,7 +50,10 @@
       }
       return true
     }
-    return () => (hooks.scrollReader = () => false)
+    hooks.scrollReader = scroll
+    return () => {
+      if (hooks.scrollReader === scroll) hooks.scrollReader = () => false
+    }
   })
 
   /**
@@ -144,7 +151,7 @@
   {:else}
     <div class="body reading" bind:this={reader}>
       <!-- svelte-ignore a11y_click_events_have_key_events, a11y_no_noninteractive_element_interactions -->
-      <article class="md resolve" onclick={follow}>
+      <article class="md resolve" bind:this={article} onclick={follow}>
         {#if doc.name.trim()}<h1 class="entrytitle">{doc.name}</h1>{/if}
         <!-- eslint-disable-next-line svelte/no-at-html-tags -- sanitised in renderMarkdown -->
         {@html html}
@@ -152,6 +159,9 @@
           <p class="muted">this document is empty — press <span class="key">i</span> to write.</p>
         {/if}
       </article>
+      <aside class="side">
+        <Outline root={article} scroller={reader} source={html} />
+      </aside>
     </div>
   {/if}
 </section>
@@ -249,7 +259,29 @@
   .loading { padding: 16px 28px; }
 
   .body { flex: 1; min-height: 0; overflow: hidden; }
-  .reading { overflow-y: auto; padding: 18px 28px 30vh; }
+  /*
+   * The text is a column in the middle of the pane, as on a page; the margin
+   * to its right holds the outline while there is room for one.
+   */
+  .reading {
+    overflow-y: auto;
+    padding: 18px 28px 30vh;
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) minmax(0, 46rem) minmax(0, 1fr);
+    align-items: start;
+    container-type: inline-size;
+  }
+  .reading > article { grid-column: 2; max-width: none; }
+  .side {
+    grid-column: 3;
+    position: sticky;
+    top: 0;
+    max-width: 30ch;
+    padding: 6px 0 0 44px;
+  }
+  @container (max-width: 1000px) {
+    .side { display: none; }
+  }
   .entrytitle { margin-top: 0 !important; font-size: 2.1em !important; }
 
   .key {
@@ -275,6 +307,7 @@
     .row { flex-direction: column; align-items: flex-start; }
     .sharebar { margin: 0 16px 8px; }
     .title { margin: 8px 16px 4px; }
-    .reading { padding: 14px 16px 30vh; }
+    .reading { padding: 14px 16px 30vh; grid-template-columns: minmax(0, 1fr); }
+    .reading > article { grid-column: 1; }
   }
 </style>

web/src/lib/Editor.svelte

@@ -25,6 +25,7 @@
 
   let host = $state<HTMLDivElement>()
   let view: EditorView | undefined
+  const focus = () => view?.focus()
 
   const markdownHighlight = HighlightStyle.define([
     { tag: tags.heading, color: 'var(--light)', fontWeight: '600' },
@@ -208,7 +209,7 @@
       parent: host!,
     })
 
-    hooks.focusEditor = () => view?.focus()
+    hooks.focusEditor = focus
     hooks.insertText = insertAtCursor
     view.focus()
 
@@ -234,9 +235,12 @@
   onDestroy(() => {
     view?.destroy()
     view = undefined
-    hooks.focusEditor = () => {}
+    // Only clear the hooks if no newer editor has taken them already.
-    hooks.insertText = () => {}
+    if (hooks.focusEditor === focus) {
-    workspace.vimMode = 'normal'
+      hooks.focusEditor = () => {}
+      hooks.insertText = () => {}
+      workspace.vimMode = 'normal'
+    }
   })
 </script>
 

web/src/lib/Help.svelte

@@ -3,18 +3,24 @@
   import { workspace } from './store.svelte'
 
   const keys: [string, string][] = [
-    ['j / k · ↓ ↑', 'move down / up the list — scroll the open document'],
+    ['1 … 9 · 0', 'switch to that space, like a workspace'],
+    ['Shift 1 … 9', 'send the marked or selected node to that space'],
+    ['Tab · Shift-Tab', 'next / previous space'],
+    ['w', 'overview of every space — hjkl, then Enter'],
+    ['f', 'fullscreen the focused pane; again or Esc to leave'],
+    ['Alt-h / Alt-l', 'focus the list / the document, from the editor too'],
+    ['j / k · ↓ ↑', 'move down / up the list — scroll the document when it has focus'],
     ['gg / G', 'first / last row, or top / bottom of the document'],
     ['Ctrl-D / Ctrl-U', 'half a page down / up the open document'],
     ['Enter · l', 'open a document, or enter a folder'],
-    ['h', 'up one level, or back out of a document'],
+    ['h', 'from the document to the list, from the list up a level'],
     ['o', 'new document here, straight into insert mode'],
     ['O', 'new folder here'],
     ['i · a', 'edit the open document'],
     ['R', 'rename what is marked — document, folder or card'],
     ['m / p', 'pick a node up, then drop it into the folder you walk to'],
     ['b', "open this space's board"],
-    ['Esc · q', 'back out to the list'],
+    ['Esc · q', 'close the document'],
     ['/', 'full-text search, inside the current space'],
     ['n', 'clear the search'],
     ['s', 'toggle sharing for the document'],

web/src/lib/Outline.svelte

@@ -0,0 +1,109 @@
+<script lang="ts">
+  /*
+   * The headings of a rendered document, beside it, with the one being read
+   * lit — the section tracking narl.io's bar does, turned on its side. It
+   * reads the article after it renders, so it works on any markdown without
+   * the renderer knowing about it.
+   */
+  import { slugify } from './util'
+
+  interface Props {
+    /** The rendered article. */
+    root: HTMLElement | undefined
+    /** What scrolls: the pane, or the page in the share view. */
+    scroller: HTMLElement | undefined
+    /** Anything that changes the rendered headings, to read them again. */
+    source: string
+  }
+
+  const { root, scroller, source }: Props = $props()
+
+  type Heading = { id: string; text: string; level: number }
+
+  let headings = $state<Heading[]>([])
+  let current = $state('')
+
+  $effect(() => {
+    void source
+    if (!root || !scroller) return
+
+    const seen = new Map<string, number>()
+    const found: Heading[] = []
+    const elements = Array.from(root.querySelectorAll<HTMLElement>('h2, h3'))
+    for (const element of elements) {
+      const text = element.textContent?.trim() ?? ''
+      const base = slugify(text) || 'section'
+      const n = (seen.get(base) ?? 0) + 1
+      seen.set(base, n)
+      element.id = n === 1 ? base : `${base}-${n}`
+      found.push({ id: element.id, text, level: element.tagName === 'H2' ? 2 : 3 })
+    }
+    headings = found
+    current = found[0]?.id ?? ''
+
+    // The section whose heading last crossed the upper third is the one being
+    // read; a band rather than a line, so a short section still registers.
+    const observer = new IntersectionObserver(
+      (entries) => {
+        for (const entry of entries) {
+          if (entry.isIntersecting) current = entry.target.id
+        }
+      },
+      { root: scroller, rootMargin: '-10% 0px -70% 0px' },
+    )
+    for (const element of elements) observer.observe(element)
+    return () => observer.disconnect()
+  })
+
+  function jump(id: string) {
+    root?.querySelector(`#${CSS.escape(id)}`)?.scrollIntoView({ behavior: 'smooth', block: 'start' })
+    current = id
+  }
+</script>
+
+{#if headings.length >= 2}
+  <nav class="outline" aria-label="outline">
+    <h2 class="label rule">outline</h2>
+    <ol>
+      {#each headings as heading (heading.id)}
+        <li class:sub={heading.level === 3}>
+          <button class:on={heading.id === current} onclick={() => jump(heading.id)}>
+            <span class="marker"></span>
+            <span class="text">{heading.text}</span>
+          </button>
+        </li>
+      {/each}
+    </ol>
+  </nav>
+{/if}
+
+<style>
+  .outline { font-size: 12px; }
+  h2 { margin: 0 0 10px; font-size: 10px; font-weight: 400; }
+
+  ol { list-style: none; margin: 0; padding: 0; }
+  li.sub { padding-left: 15px; }
+
+  button {
+    display: flex;
+    align-items: baseline;
+    gap: 8px;
+    width: 100%;
+    padding: 3px 6px;
+    border: 0;
+    border-radius: 4px;
+    text-align: left;
+    font-size: 12px;
+    letter-spacing: 0;
+    text-transform: none;
+    color: var(--muted);
+  }
+  button:hover { background: transparent; color: var(--light); }
+  button:active { transform: none; }
+  button.on { color: var(--light); }
+  button.on .marker { background: var(--light); }
+  button:focus-visible { background: var(--light); color: var(--ink); }
+
+  .marker { width: 5px; height: 5px; transform: translateY(-2px); }
+  .text { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+</style>

web/src/lib/Overview.svelte

@@ -0,0 +1,204 @@
+<script lang="ts">
+  /*
+   * `w`: every space at once, the way the desktop's overview shows every
+   * workspace with its windows — here, with what was last written in it. The
+   * keys live in App.svelte with the others; this only draws and tells them
+   * how many cards fit in a row.
+   */
+  import { api, type NodeSummary } from './api'
+  import { hooks } from './commands'
+  import { workspace } from './store.svelte'
+  import { relative } from './util'
+
+  let grid = $state<HTMLOListElement>()
+
+  $effect(() => {
+    hooks.overviewColumns = () =>
+      grid ? getComputedStyle(grid).gridTemplateColumns.split(' ').length : 1
+    return () => (hooks.overviewColumns = () => 1)
+  })
+
+  $effect(() => {
+    const index = workspace.overviewCursor
+    grid?.querySelector<HTMLElement>(`[data-index="${index}"]`)?.scrollIntoView({ block: 'nearest' })
+  })
+
+  function enter(spaceId: number) {
+    workspace.overlay = 'none'
+    void workspace.guard(() => workspace.enterSpace(spaceId))
+  }
+
+  /** A recent document opens in place, in its own space. */
+  function open(doc: NodeSummary) {
+    workspace.overlay = 'none'
+    void workspace.guard(async () => {
+      const node = await api.getNode(doc.id)
+      await workspace.openPath(node.path.map((crumb) => crumb.slug).join('/'))
+    })
+  }
+</script>
+
+<div class="sheet">
+  <header>
+    <span class="label rule"><span class="marker"></span><span class="title">overview</span> {workspace.overview.length} spaces</span>
+    <button onclick={() => (workspace.overlay = 'none')}>esc</button>
+  </header>
+
+  <ol class="grid" bind:this={grid}>
+    {#each workspace.overview as { space, recent }, index (space.id)}
+      <li>
+        <!-- svelte-ignore a11y_click_events_have_key_events, a11y_no_static_element_interactions -->
+        <div
+          class="card"
+          class:at={index === workspace.overviewCursor}
+          class:current={space.id === workspace.spaceId}
+          data-index={index}
+          onclick={() => enter(space.id)}
+          onpointerenter={() => (workspace.overviewCursor = index)}
+        >
+          <div class="top">
+            <span class="index">{index < 10 ? (index + 1) % 10 : ''}</span>
+            <span class="name">{space.name}</span>
+            {#if space.has_board}<span class="tag">board</span>{/if}
+            <span class="count">{space.child_count}</span>
+          </div>
+
+          <ul>
+            {#each recent as doc (doc.id)}
+              <li>
+                <button
+                  class="doc"
+                  onclick={(event) => {
+                    event.stopPropagation()
+                    open(doc)
+                  }}
+                >
+                  <span class="text">{doc.name.trim() || doc.excerpt.trim() || doc.slug}</span>
+                  <span class="when">{relative(doc.updated_at)}</span>
+                </button>
+              </li>
+            {:else}
+              <li class="empty">nothing written yet</li>
+            {/each}
+          </ul>
+        </div>
+      </li>
+    {/each}
+  </ol>
+
+  <footer class="label">h j k l move · 1 … 9 or enter go · w closes</footer>
+</div>
+
+<style>
+  .sheet {
+    display: flex;
+    flex-direction: column;
+    gap: 18px;
+    width: min(100%, 140ch);
+    max-height: 100%;
+    background: color-mix(in oklab, var(--hull) 97%, transparent);
+    border: 1px solid var(--surface-alt);
+    border-radius: var(--frame-radius);
+    padding: 20px 24px;
+  }
+
+  header { display: flex; align-items: center; gap: 12px; }
+  header .label { flex: 1; }
+  header .marker { background: var(--light); }
+  header .title { color: var(--light); }
+
+  .grid {
+    list-style: none;
+    margin: 0;
+    padding: 2px;
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(30ch, 1fr));
+    gap: 10px;
+    overflow-y: auto;
+  }
+
+  /*
+   * A card is a miniature window: overlay border at rest, the active border
+   * gradient under the cursor. The space being worked in is the inverted one,
+   * as its pill is on the bar.
+   */
+  .card {
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+    height: 100%;
+    padding: 12px 12px 10px;
+    border: 1px solid transparent;
+    border-radius: var(--radius-m);
+    background:
+      linear-gradient(var(--surface), var(--surface)) padding-box,
+      linear-gradient(var(--overlay), var(--overlay)) border-box;
+    cursor: pointer;
+  }
+  .card.at {
+    background:
+      linear-gradient(var(--surface), var(--surface)) padding-box,
+      linear-gradient(135deg, var(--light), var(--light-dim)) border-box;
+  }
+
+  .top { display: flex; align-items: center; gap: 10px; }
+  .index {
+    display: grid;
+    place-items: center;
+    min-width: 22px;
+    height: 20px;
+    border-radius: 4px;
+    font-size: 11px;
+    color: var(--muted);
+    background: var(--surface-alt);
+  }
+  .current .index { background: var(--light); color: var(--ink); }
+  .name {
+    flex: 1;
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    font-family: var(--font-sans);
+    font-size: 15px;
+    color: var(--fg);
+  }
+  .at .name, .current .name { color: var(--light); }
+  .tag, .count {
+    font-size: 10px;
+    letter-spacing: 0.18em;
+    text-transform: uppercase;
+    color: var(--muted);
+  }
+  .count { font-variant-numeric: tabular-nums; letter-spacing: 0; }
+
+  ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; }
+
+  .doc {
+    display: flex;
+    align-items: baseline;
+    gap: 10px;
+    width: 100%;
+    padding: 4px 8px;
+    border: 0;
+    border-radius: var(--radius-s);
+    text-align: left;
+    font-size: 13px;
+    letter-spacing: 0;
+    text-transform: none;
+    color: var(--subtle);
+  }
+  .doc:active { transform: none; }
+  .text {
+    flex: 1;
+    min-width: 0;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+    font-family: var(--font-sans);
+  }
+  .when { flex: none; font-size: 10px; color: var(--muted); }
+  .empty { padding: 4px 8px; font-size: 12px; color: var(--muted); }
+
+  footer { font-size: 10px; }
+</style>

web/src/lib/Rail.svelte

@@ -29,6 +29,8 @@
       { key: 'o', caption: 'new', title: 'new document (o)', run: () => runCommand('new') },
       { key: 'O', caption: 'dir', title: 'new folder (O)', run: () => hooks.openCommandLine(':mkdir ') },
       ...(workspace.space ? [board] : []),
+      { key: 'w', caption: 'spaces', title: 'overview of every space (w)', run: () => hooks.openOverview() },
+      { key: 'f', caption: 'full', title: 'fullscreen the focused pane (f)', run: () => (workspace.fullscreen = !workspace.fullscreen), on: workspace.fullscreen },
       { key: '/', caption: 'find', title: 'search (/)', run: () => hooks.openCommandLine('/') },
       { key: ':', caption: 'cmd', title: 'command line (:)', run: () => hooks.openCommandLine(':') },
       { key: '?', caption: 'help', title: 'help (?)', run: () => runCommand('help') },

web/src/lib/Shared.svelte

@@ -1,12 +1,16 @@
 <script lang="ts">
   import { api, type SharedDocument } from './api'
   import { renderMarkdown } from './markdown'
+  import Outline from './Outline.svelte'
   import { formatStamp, formatWeekday } from './util'
 
   const { token, shareKey }: { token: string; shareKey: string } = $props()
 
   let doc = $state<SharedDocument | null>(null)
   let error = $state('')
+  let page = $state<HTMLElement>()
+  let article = $state<HTMLElement>()
+  const html = $derived(doc ? renderMarkdown(doc.body, { token, key: shareKey }) : '')
 
   $effect(() => {
     if (!shareKey) {
@@ -23,11 +27,11 @@
   })
 </script>
 
-<main>
+<main bind:this={page}>
   {#if error}
     <p class="alarm">{error}</p>
   {:else if doc}
-    <article class="md resolve">
+    <article class="md resolve" bind:this={article}>
       <div class="meta label rule">
         <span class="marker"></span>
         <span>{formatStamp(doc.created_at)} {formatWeekday(doc.created_at)}</span>
@@ -35,8 +39,11 @@
       </div>
       {#if doc.name.trim()}<h1>{doc.name}</h1>{/if}
       <!-- eslint-disable-next-line svelte/no-at-html-tags -- sanitised in renderMarkdown -->
-      {@html renderMarkdown(doc.body, { token, key: shareKey })}
+      {@html html}
     </article>
+    <aside class="side">
+      <Outline root={article} scroller={page} source={html} />
+    </aside>
     <footer class="label">— written in ~/workspace</footer>
   {:else}
     <p class="label">loading<span class="cursor">_</span></p>
@@ -44,19 +51,34 @@
 </main>
 
 <style>
+  /* The same page as the reading pane: a centred column, the outline in the margin. */
   main {
     height: 100%;
     overflow-y: auto;
     padding: 56px 20px 20vh;
-    display: flex;
+    display: grid;
-    flex-direction: column;
+    grid-template-columns: minmax(0, 1fr) minmax(0, 46rem) minmax(0, 1fr);
-    align-items: center;
+    align-content: start;
+    align-items: start;
+    container-type: inline-size;
     background:
       radial-gradient(120% 70% at 30% 0%, #141713 0%, transparent 60%),
       var(--base);
   }
 
-  article { width: min(100%, 72ch); }
+  article, footer, p { grid-column: 2; }
+  article { max-width: none; }
+  .side {
+    grid-column: 3;
+    grid-row: 1;
+    position: sticky;
+    top: 0;
+    max-width: 30ch;
+    padding: 4px 0 0 44px;
+  }
+  @container (max-width: 1000px) {
+    .side { display: none; }
+  }
 
   .meta { margin-bottom: 28px; font-size: 10px; }
   .meta .marker { background: var(--light); }
@@ -65,6 +87,5 @@
 
   h1 { margin-top: 0 !important; font-size: 2.1em !important; }
 
-  footer { width: min(100%, 72ch); margin-top: 56px; font-size: 10px; }
+  footer { margin-top: 56px; font-size: 10px; }
-  p { width: min(100%, 72ch); }
 </style>

web/src/lib/Sidebar.svelte

@@ -79,9 +79,6 @@
     flex-direction: column;
     height: 100%;
     min-width: 0;
-    --pane: color-mix(in oklab, var(--surface) 55%, var(--base));
-    background: var(--pane);
-    border-right: 1px solid var(--rim);
   }
 
   .head {
@@ -120,7 +117,7 @@
     z-index: 1;
     padding: 14px 8px 6px 10px;
     font-size: 10px;
-    background: linear-gradient(var(--pane) 70%, transparent);
+    background: linear-gradient(var(--pane-bg) 70%, transparent);
   }
   .day { color: var(--subtle); }
 

web/src/lib/StatusBar.svelte

@@ -29,6 +29,7 @@
     {workspace.flash?.text ?? ''}
   </span>
 
+  {#if workspace.fullscreen}<span class="flag">full</span>{/if}
   {#if lines !== null}<span class="readout">{lines}<span class="unit">L</span></span>{/if}
   <span class="hint">
     {isTouchDevice ? 'tap : for commands' : '? help · : command · / search'}
@@ -75,6 +76,7 @@
   .readout { color: var(--fg); font-variant-numeric: tabular-nums; }
   .unit { color: var(--muted); margin-left: 1px; }
   .hint { color: var(--muted); letter-spacing: 0.06em; }
+  .flag { color: var(--light); letter-spacing: 0.18em; text-transform: uppercase; }
 
   .tools { display: none; }
 

web/src/lib/api.ts

@@ -31,6 +31,12 @@ export interface WorkspaceNode extends NodeSummary {
 }
 
 /** A public key allowed to mount the workspace over SFTP. */
+/** A space as the overview shows it: itself, and what was last written in it. */
+export interface SpaceOverview {
+  space: NodeSummary
+  recent: NodeSummary[]
+}
+
 export interface SshKey {
   id: number
   name: string
@@ -152,6 +158,8 @@ export const api = {
 
   listSpaces: () => request<NodeSummary[]>('/spaces'),
 
+  overview: () => request<SpaceOverview[]>('/spaces/overview'),
+
   createSpace: (name: string, has_board = true) =>
     request<WorkspaceNode>('/spaces', { method: 'POST', body: body({ name, has_board }) }),
 

web/src/lib/commands.ts

@@ -16,6 +16,9 @@ export const hooks = {
   /* Filled in while a document is on screen and not being edited: the reading
      pane owns the scrollback, so the list keys have somewhere to send it. */
   scrollReader: (_amount: ScrollAmount): boolean => false,
+  /** How many space cards the overview fits in a row, for j/k to step by. */
+  overviewColumns: (): number => 1,
+  openOverview: () => {},
   openCommandLine: (_initial: string) => {},
 }
 

web/src/lib/store.svelte.ts

@@ -7,6 +7,7 @@ import {
   type WorkspaceNode,
   type MediaFile,
   type NodeSummary,
+  type SpaceOverview,
 } from './api'
 
 export type Pane = 'list' | 'document'
@@ -14,6 +15,9 @@ export type Pane = 'list' | 'document'
 export type View = 'tree' | 'board'
 export type Flash = { text: string; kind: 'info' | 'error' } | null
 
+/** Where a space was left: the folder, the open document, the row, the pane. */
+type Spot = { parentId: number; openId: number | null; cursor: number; pane: Pane }
+
 /**
  * The whole application state. It is deliberately one object: the keyboard
  * layer needs to see everything at once to decide what a key means.
@@ -60,8 +64,21 @@ class Workspace {
   vimMode = $state('normal')
   flash = $state<Flash>(null)
 
-  overlay = $state<'none' | 'help' | 'media'>('none')
+  overlay = $state<'none' | 'help' | 'media' | 'overview'>('none')
   media = $state<MediaFile[]>([])
+  overview = $state<SpaceOverview[]>([])
+  overviewCursor = $state(0)
+
+  /** `f`: the focused pane takes the whole porthole, like a fullscreen window. */
+  fullscreen = $state(false)
+  /** +1 when the last space switch went right along the bar, -1 when left. */
+  switchDirection = $state(1)
+
+  /*
+   * Spaces behave like the desktop's workspaces: each keeps the folder and the
+   * document it was left on, and coming back finds them where they were.
+   */
+  #spots: Record<number, Spot> = JSON.parse(localStorage.getItem('diary:spots') ?? '{}')
 
   vimEnabled = $state(localStorage.getItem('diary:vim') !== 'off')
 
@@ -246,11 +263,50 @@ class Workspace {
     if (start) await this.enterSpace(start.id)
   }
 
+  #rememberSpot() {
+    if (this.spaceId === null || this.parentId === null) return
+    this.#spots[this.spaceId] = {
+      parentId: this.parentId,
+      openId: this.open?.id ?? null,
+      cursor: this.cursor,
+      pane: this.pane,
+    }
+    localStorage.setItem('diary:spots', JSON.stringify(this.#spots))
+  }
+
   async enterSpace(id: number) {
+    const leaving = this.spaceId !== null && this.spaceId !== id
+    if (leaving) {
+      await this.flush()
+      this.#rememberSpot()
+      const from = this.spaces.findIndex((s) => s.id === this.spaceId)
+      const to = this.spaces.findIndex((s) => s.id === id)
+      this.switchDirection = to >= from ? 1 : -1
+      this.open = null
+      this.editing = false
+      this.pane = 'list'
+    }
     this.spaceId = id
     localStorage.setItem('diary:space', String(id))
     this.query = ''
-    await this.goTo(id)
+
+    // A remembered folder may have been deleted or moved to another space
+    // since; then the space's root is where it opens.
+    const spot = this.#spots[id]
+    try {
+      await this.goTo(spot?.parentId ?? id)
+      if (this.spaceId !== id) await this.goTo(id)
+    } catch {
+      await this.goTo(id)
+    }
+    if (spot && this.parentId === spot.parentId) {
+      if (spot.openId !== null && this.nodes.some((n) => n.id === spot.openId)) {
+        await this.openNode(spot.openId)
+        this.pane = spot.pane
+      } else {
+        this.cursor = Math.min(spot.cursor, Math.max(this.nodes.length - 1, 0))
+      }
+    }
     // The board belongs to the space, so switching space while looking at one
     // shows the new space's board — or drops back to the tree for a space that
     // has none, rather than leaving the previous board on screen.
@@ -265,9 +321,11 @@ class Workspace {
   /** Show the children of `id`, which must be a space or a folder. */
   async goTo(id: number, keep?: number) {
     await this.flush()
+    const folder = await api.getNode(id)
+    // Walking into another space by a link leaves this one where it was.
+    if (this.spaceId !== null && folder.path[0]?.id !== this.spaceId) this.#rememberSpot()
     this.parentId = id
     this.query = ''
-    const folder = await api.getNode(id)
     this.path = folder.path
     this.spaceId = folder.path[0]?.id ?? id
     this.nodes = await api.listNodes({ parent: id })
@@ -479,6 +537,49 @@ class Workspace {
     this.say(`moved #${id}`)
   }
 
+  /** `1`..`9`, `0`: the space at that place on the bar. */
+  async switchSpace(index: number) {
+    const space = this.spaces[index]
+    if (!space) return this.say(`no space ${index + 1}`, 'error')
+    if (space.id !== this.spaceId) await this.enterSpace(space.id)
+  }
+
+  /** Tab / Shift-Tab: the next or previous space, wrapping round. */
+  async cycleSpace(delta: number) {
+    const count = this.spaces.length
+    if (count < 2) return
+    const at = this.spaces.findIndex((s) => s.id === this.spaceId)
+    await this.enterSpace(this.spaces[(at + delta + count) % count].id)
+  }
+
+  /**
+   * Shift+digit: send the marked node, or else the one under the cursor, to
+   * the root of the space at that place — the window moved to workspace N.
+   */
+  async sendToSpace(index: number) {
+    const space = this.spaces[index]
+    const node = this.marked ?? this.selected
+    if (!space) return this.say(`no space ${index + 1}`, 'error')
+    if (!node) return this.say('nothing selected', 'error')
+    if (node.parent_id === space.id) return this.say(`already in ${space.slug}`)
+
+    if (this.open?.id === node.id) {
+      await this.flush()
+      this.open = null
+      this.editing = false
+      this.pane = 'list'
+    }
+    await api.moveNode(node.id, space.id)
+    this.marked = null
+    await this.refresh()
+    this.spaces = await api.listSpaces()
+    this.say(`moved ${node.name.trim() || node.slug} → ${index + 1} ${space.slug}`)
+  }
+
+  async loadOverview() {
+    this.overview = await api.overview()
+  }
+
   /** `m`: pick the node under the cursor up, or put it back down unmoved. */
   mark() {
     const node = this.selected

web/src/lib/util.ts

@@ -61,3 +61,16 @@ export const isTouchDevice =
   typeof window !== 'undefined' &&
   navigator.maxTouchPoints > 0 &&
   window.matchMedia('(pointer: coarse)').matches
+
+/** A heading as an anchor id: lowercase, dashes, the same idea as the server's slugs. */
+export function slugify(text: string): string {
+  return text
+    .toLowerCase()
+    .replace(/ä/g, 'ae')
+    .replace(/ö/g, 'oe')
+    .replace(/ü/g, 'ue')
+    .replace(/ß/g, 'ss')
+    .replace(/[^a-z0-9]+/g, '-')
+    .replace(/^-+|-+$/g, '')
+    .slice(0, 80)
+}