Feat: Extension Settings & Library Filtering (#71) (#72)

src/api/mutations/extensions.ts

@@ -41,6 +41,48 @@ export const UPDATE_SOURCE_PREFERENCE = `
   }
 `;
 
+export const SET_SOURCE_METAS = `
+  mutation SetSourceMetas($input: SetSourceMetasInput!) {
+    setSourceMetas(input: $input) {
+      metas { sourceId key value }
+    }
+  }
+`;
+
+export const DELETE_SOURCE_METAS = `
+  mutation DeleteSourceMetas($input: DeleteSourceMetasInput!) {
+    deleteSourceMetas(input: $input) {
+      metas { sourceId key value }
+    }
+  }
+`;
+
+export const UPDATE_SOURCE_METADATA = `
+  mutation UpdateSourceMetadata(
+    $preUpdateDeleteInput: DeleteSourceMetasInput!
+    $hasPreUpdateDeletions: Boolean!
+    $updateInput: SetSourceMetasInput!
+    $hasUpdates: Boolean!
+    $postUpdateDeleteInput: DeleteSourceMetasInput!
+    $hasPostUpdateDeletions: Boolean!
+    $migrateInput: SetSourceMetasInput!
+    $isMigration: Boolean!
+  ) {
+    preUpdateDeletedMeta: deleteSourceMetas(input: $preUpdateDeleteInput) @include(if: $hasPreUpdateDeletions) {
+      metas { sourceId key value }
+    }
+    updatedMeta: setSourceMetas(input: $updateInput) @include(if: $hasUpdates) {
+      metas { sourceId key value }
+    }
+    postUpdateDeletedMeta: deleteSourceMetas(input: $postUpdateDeleteInput) @include(if: $hasPostUpdateDeletions) {
+      metas { sourceId key value }
+    }
+    migrationMeta: setSourceMetas(input: $migrateInput) @include(if: $isMigration) {
+      metas { sourceId key value }
+    }
+  }
+`;
+
 export const SET_SOURCE_META = `
   mutation SetSourceMeta($sourceId: LongString!, $key: String!, $value: String!) {
     setSourceMeta(input: { meta: { sourceId: $sourceId, key: $key, value: $value } }) {

src/api/queries/extensions.ts

@@ -23,6 +23,77 @@ export const GET_SOURCES = `
       nodes {
         id name lang displayName iconUrl isNsfw
         isConfigurable supportsLatest baseUrl
+        extension { pkgName }
+      }
+    }
+  }
+`;
+
+export const GET_SOURCE_SETTINGS = `
+  query GetSourceSettings($id: LongString!) {
+    source(id: $id) {
+      id
+      displayName
+      preferences {
+        ... on CheckBoxPreference {
+          type: __typename
+          CheckBoxTitle: title
+          CheckBoxSummary: summary
+          CheckBoxDefault: default
+          CheckBoxCurrentValue: currentValue
+          key
+        }
+        ... on SwitchPreference {
+          type: __typename
+          SwitchPreferenceTitle: title
+          SwitchPreferenceSummary: summary
+          SwitchPreferenceDefault: default
+          SwitchPreferenceCurrentValue: currentValue
+          key
+        }
+        ... on ListPreference {
+          type: __typename
+          ListPreferenceTitle: title
+          ListPreferenceSummary: summary
+          ListPreferenceDefault: default
+          ListPreferenceCurrentValue: currentValue
+          entries
+          entryValues
+          key
+        }
+        ... on EditTextPreference {
+          type: __typename
+          EditTextPreferenceTitle: title
+          EditTextPreferenceSummary: summary
+          EditTextPreferenceDefault: default
+          EditTextPreferenceCurrentValue: currentValue
+          dialogTitle
+          dialogMessage
+          key
+        }
+        ... on MultiSelectListPreference {
+          type: __typename
+          MultiSelectListPreferenceTitle: title
+          MultiSelectListPreferenceSummary: summary
+          MultiSelectListPreferenceDefault: default
+          MultiSelectListPreferenceCurrentValue: currentValue
+          entries
+          entryValues
+          key
+        }
+      }
+    }
+  }
+`;
+
+export const GET_MIGRATABLE_SOURCES = `
+  query GetMigratableSources {
+    mangas(condition: { inLibrary: true }) {
+      nodes {
+        sourceId
+        source {
+          id name lang displayName iconUrl isNsfw isConfigurable supportsLatest baseUrl
+        }
       }
     }
   }

src/features/extensions/components/ExtensionCard.svelte

@@ -1,8 +1,10 @@
 <script lang="ts">
-  import { CircleNotch, CaretRight, CaretDown } from "phosphor-svelte";
+  import { CircleNotch, CaretRight, CaretDown, Books } from "phosphor-svelte";
   import Thumbnail from "@shared/manga/Thumbnail.svelte";
   import type { Extension } from "@types/index";
 
+  type SourceEntry = { id: string; displayName: string };
+
   interface Props {
     base:         string;
     primary:      Extension;
@@ -10,17 +12,27 @@
     expanded:     boolean;
     working:      Set<string>;
     anims:        boolean;
+    sources:      SourceEntry[];
+    libraryCount: number;
     onToggle:     (base: string) => void;
     onMutate:     (pkgName: string, op: "install" | "update" | "uninstall") => void;
+    onLibrary:    (pkgName: string, extensionName: string, iconUrl: string) => void;
   }
 
-  let { base, primary, variants, expanded, working, anims, onToggle, onMutate }: Props = $props();
+  let { base, primary, variants, expanded, working, anims, sources, libraryCount, onToggle, onMutate, onLibrary }: Props = $props();
+
+  const clickable = $derived(primary.isInstalled);
 
   const hasVariants = $derived(variants.length > 0);
 </script>
 
 <div class="group">
-  <div class="row">
+  <svelte:element
+    this={clickable ? "button" : "div"}
+    class="row"
+    class:row-clickable={clickable}
+    onclick={clickable ? () => onLibrary(primary.pkgName, base, primary.iconUrl) : undefined}
+  >
     <Thumbnail
       src={primary.iconUrl}
       alt={primary.name}
@@ -31,6 +43,13 @@
       <span class="name">{base}</span>
       <span class="meta">
         <span class="lang-tag">{primary.lang.toUpperCase()}</span>
+        {#if primary.isInstalled}
+          <span class="lib-badge" class:lib-badge-empty={libraryCount === 0}>
+            <Books size={10} weight={libraryCount > 0 ? "fill" : "regular"} />
+            {libraryCount > 0 ? libraryCount : 0}
+            
+          </span>
+        {/if}
         v{primary.versionName}
       </span>
     </div>
@@ -39,22 +58,24 @@
       <CircleNotch size={14} weight="light" class="anim-spin" style="color:var(--text-faint)" />
     {:else if primary.hasUpdate}
       <div class="row-actions">
-        <button class="action-btn"     onclick={() => onMutate(primary.pkgName, "update")}>Update</button>
+        <button class="action-btn"     onclick={(e) => { e.stopPropagation(); onMutate(primary.pkgName, "update"); }}>Update</button>
-        <button class="action-btn-dim" onclick={() => onMutate(primary.pkgName, "uninstall")}>Remove</button>
+        <button class="action-btn-dim" onclick={(e) => { e.stopPropagation(); onMutate(primary.pkgName, "uninstall"); }}>Remove</button>
       </div>
     {:else if primary.isInstalled}
-      <button class="action-btn-dim" onclick={() => onMutate(primary.pkgName, "uninstall")}>Remove</button>
+      <div class="row-actions">
+        <button class="action-btn-dim" onclick={(e) => { e.stopPropagation(); onMutate(primary.pkgName, "uninstall"); }}>Remove</button>
+      </div>
     {:else}
       <button class="action-btn" onclick={() => onMutate(primary.pkgName, "install")}>Install</button>
     {/if}
 
     {#if hasVariants}
-      <button class="expand-btn" onclick={() => onToggle(base)} title="{variants.length + 1} languages">
+      <button class="expand-btn" onclick={(e) => { e.stopPropagation(); onToggle(base); }} title="{variants.length + 1} languages">
         {#if expanded}<CaretDown size={12} weight="light" />{:else}<CaretRight size={12} weight="light" />{/if}
         <span class="expand-count">{variants.length + 1}</span>
       </button>
     {/if}
-  </div>
+  </svelte:element>
 
   {#if expanded && hasVariants}
     <div class="variants" class:variants-anim={anims}>
@@ -83,15 +104,18 @@
 
 <style>
   .group { display: flex; flex-direction: column; }
-  .row { display: flex; align-items: center; gap: var(--sp-3); padding: 8px var(--sp-3); border-radius: var(--radius-md); border: 1px solid transparent; transition: background var(--t-fast), border-color var(--t-fast); }
+  .row { display: flex; align-items: center; gap: var(--sp-3); padding: 8px var(--sp-3); border-radius: var(--radius-md); border: 1px solid transparent; transition: background var(--t-fast), border-color var(--t-fast); width: 100%; text-align: left; background: none; }
   .row:hover { background: var(--bg-raised); border-color: var(--border-dim); }
+  .row-clickable { cursor: pointer; }
   :global(.icon) { width: 32px; height: 32px; border-radius: var(--radius-md); object-fit: cover; flex-shrink: 0; background: var(--bg-raised); }
   .info { flex: 1; display: flex; flex-direction: column; gap: 2px; overflow: hidden; min-width: 0; }
   .name { font-size: var(--text-base); font-weight: var(--weight-medium); color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
   .meta { display: flex; align-items: center; gap: var(--sp-2); font-family: var(--font-ui); font-size: var(--text-2xs); color: var(--text-faint); letter-spacing: var(--tracking-wide); }
   .lang-tag { background: var(--bg-overlay); border: 1px solid var(--border-dim); border-radius: var(--radius-sm); padding: 1px 5px; font-family: var(--font-ui); font-size: var(--text-2xs); color: var(--text-muted); letter-spacing: var(--tracking-wider); }
+  .lib-badge { display: inline-flex; align-items: center; gap: 4px; font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); padding: 2px 7px; border-radius: var(--radius-sm); border: 1px solid var(--accent-dim); background: var(--accent-muted); color: var(--accent-fg); flex-shrink: 0; }
+  .lib-badge-empty { border-color: var(--border-dim); background: var(--bg-overlay); color: var(--text-faint); }
   .update-badge-small { font-family: var(--font-ui); font-size: var(--text-2xs); color: var(--accent-fg); flex-shrink: 0; }
-  .row-actions { display: flex; gap: var(--sp-1); flex-shrink: 0; }
+  .row-actions { display: flex; align-items: center; gap: var(--sp-1); flex-shrink: 0; }
   .action-btn { font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: var(--tracking-wide); padding: 4px 10px; border-radius: var(--radius-md); background: var(--accent-muted); color: var(--accent-fg); border: 1px solid var(--accent-dim); cursor: pointer; flex-shrink: 0; transition: filter var(--t-base); }
   .action-btn:hover { filter: brightness(1.1); }
   .action-btn-dim { font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: var(--tracking-wide); padding: 4px 10px; border-radius: var(--radius-md); background: none; color: var(--text-faint); border: 1px solid var(--border-dim); cursor: pointer; flex-shrink: 0; transition: color var(--t-base), border-color var(--t-base); }
@@ -106,5 +130,5 @@
   .variant-row:hover { background: var(--bg-raised); }
   .variant-name { flex: 1; font-size: var(--text-sm); color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
   .variant-version { font-family: var(--font-ui); font-size: var(--text-2xs); color: var(--text-faint); letter-spacing: var(--tracking-wide); flex-shrink: 0; }
-  .variant-actions { flex-shrink: 0; }
+  .variant-actions { display: flex; align-items: center; gap: var(--sp-1); flex-shrink: 0; }
 </style>

src/features/extensions/components/Extensions.svelte

@@ -3,14 +3,21 @@
   import { CircleNotch, X, Check, HardDrives } from "phosphor-svelte";
   import { gql }         from "@api/client";
   import { store, addToast } from "@store/state.svelte";
-  import { GET_EXTENSIONS, GET_SETTINGS, GET_LOCAL_MANGA } from "@api/queries";
+  import { GET_EXTENSIONS, GET_SOURCES, GET_SETTINGS, GET_LOCAL_MANGA, GET_LIBRARY } from "@api/queries";
   import { SET_EXTENSION_REPOS, INSTALL_EXTERNAL_EXTENSION, FETCH_EXTENSIONS, UPDATE_EXTENSION } from "@api/mutations";
   import type { Extension } from "@types/index";
   import { matchesFilter, groupExtensions, validateUrl, type Filter, type Panel } from "../lib/extensionHelpers";
+  import { libraryCountByPkg, type LibraryManga, type SourceNode } from "../lib/extensionLibrary";
   import ExtensionFilters       from "./ExtensionFilters.svelte";
   import ExtensionCard          from "./ExtensionCard.svelte";
+  import ExtensionSettingsPanel from "../panels/ExtensionSettingsPanel.svelte";
+  import ExtensionLibraryPanel  from "../panels/ExtensionLibraryPanel.svelte";
 
   const anims      = $derived(store.settings.qolAnimations ?? true);
+  const cols       = $derived(store.settings.libraryCols   ?? 5);
+  const cropCovers = $derived(store.settings.cropCovers    ?? true);
+  const statsAlways = $derived(store.settings.statsAlways  ?? false);
+
   let tabsEl       = $state<HTMLDivElement | undefined>(undefined);
   let tabIndicator = $state({ left: 0, width: 0 });
 
@@ -33,6 +40,15 @@
   let expanded     = $state(new Set<string>());
   let panel        = $state<Panel>(null);
 
+  type SourceEntry  = { id: string; displayName: string };
+  type SettingsTarget = { extensionName: string; iconUrl: string; sources: SourceEntry[] };
+  type LibraryTarget  = { pkgName: string; extensionName: string; iconUrl: string };
+
+  let settingsTarget = $state<SettingsTarget | null>(null);
+  let libraryTarget  = $state<LibraryTarget | null>(null);
+  let sourcesByPkg   = $state<Record<string, SourceEntry[]>>({});
+  let libCountByPkg  = $state<Record<string, number>>({});
+
   $effect(() => { filter; extensions; if (anims) requestAnimationFrame(() => requestAnimationFrame(updateIndicator)); });
 
   let externalUrl    = $state("");
@@ -47,8 +63,25 @@
   let savingRepos  = $state(false);
 
   async function load() {
-    const d = await gql<{ extensions: { nodes: Extension[] } }>(GET_EXTENSIONS).catch(console.error);
+    const [extData, srcData, libData] = await Promise.all([
-    if (d) extensions = d.extensions.nodes;
+      gql<{ extensions: { nodes: Extension[] } }>(GET_EXTENSIONS).catch(console.error),
+      gql<{ sources: { nodes: SourceNode[] } }>(GET_SOURCES).catch(console.error),
+      gql<{ mangas: { nodes: LibraryManga[] } }>(GET_LIBRARY).catch(console.error),
+    ]);
+    if (extData) extensions = extData.extensions.nodes;
+    if (srcData) {
+      const map: Record<string, SourceEntry[]> = {};
+      for (const s of srcData.sources.nodes) {
+        if (!s.isConfigurable || !s.extension?.pkgName) continue;
+        const pkg = s.extension.pkgName;
+        if (!map[pkg]) map[pkg] = [];
+        map[pkg].push({ id: s.id, displayName: s.displayName });
+      }
+      sourcesByPkg = map;
+    }
+    if (libData && srcData) {
+      libCountByPkg = libraryCountByPkg(libData.mangas.nodes, srcData.sources.nodes);
+    }
   }
 
   async function loadLocalManga() {
@@ -213,7 +246,18 @@
   function focusOnMount(node: HTMLElement) { node.focus(); }
 </script>
 
-<div class="root anim-fade-in">
+{#if libraryTarget}
+  <ExtensionLibraryPanel
+    pkgName={libraryTarget.pkgName}
+    extensionName={libraryTarget.extensionName}
+    iconUrl={libraryTarget.iconUrl}
+    {cols} {cropCovers} {statsAlways} {anims}
+    sources={sourcesByPkg[libraryTarget.pkgName] ?? []}
+    onBack={() => libraryTarget = null}
+    onSettings={() => { settingsTarget = { extensionName: libraryTarget!.extensionName, iconUrl: libraryTarget!.iconUrl, sources: sourcesByPkg[libraryTarget!.pkgName] ?? [] }; }}
+  />
+{:else}
+  <div class="root anim-fade-in">
     <ExtensionFilters
       {filter} {search} {panel} {refreshing} {updateCount} {availableLangs} {langFilter}
       {anims} {tabIndicator} {updatingAll}
@@ -307,9 +351,12 @@
         {#each groups as { base, primary, variants }}
           <ExtensionCard
             {base} {primary} {variants} {working} {anims}
+            sources={sourcesByPkg[primary.pkgName] ?? []}
+            libraryCount={libCountByPkg[primary.pkgName] ?? 0}
             expanded={expanded.has(base)}
             onToggle={toggleExpand}
             onMutate={mutate}
+            onLibrary={(pkgName, extensionName, iconUrl) => libraryTarget = { pkgName, extensionName, iconUrl }}
           />
         {/each}
         {#if !showLocal && groups.length === 0}
@@ -317,7 +364,17 @@
         {/if}
       </div>
     {/if}
-</div>
+  </div>
+{/if}
+
+{#if settingsTarget}
+  <ExtensionSettingsPanel
+    extensionName={settingsTarget.extensionName}
+    iconUrl={settingsTarget.iconUrl}
+    sources={settingsTarget.sources}
+    onClose={() => settingsTarget = null}
+  />
+{/if}
 
 <style>
   .root { display: flex; flex-direction: column; height: 100%; overflow: hidden; }

src/features/extensions/lib/extensionLibrary.ts

@@ -0,0 +1,56 @@
+export interface LibraryManga {
+  id: number;
+  title: string;
+  thumbnailUrl: string;
+  unreadCount: number;
+  downloadCount: number;
+  source: { id: string; displayName: string };
+}
+
+export interface SourceLibrary {
+  sourceId: string;
+  displayName: string;
+  manga: LibraryManga[];
+}
+
+export type SourceNode = {
+  id: string;
+  displayName: string;
+  isConfigurable: boolean;
+  extension: { pkgName: string };
+};
+
+export function libraryByExtension(
+  libraryManga: LibraryManga[],
+  sources: SourceNode[],
+  pkgName: string,
+): SourceLibrary[] {
+  const pkgSources = sources.filter(s => s.extension?.pkgName === pkgName);
+  const sourceIds  = new Set(pkgSources.map(s => s.id));
+
+  const bySource = new Map<string, LibraryManga[]>();
+  for (const src of pkgSources) bySource.set(src.id, []);
+  for (const m of libraryManga) {
+    if (sourceIds.has(m.source.id)) bySource.get(m.source.id)!.push(m);
+  }
+
+  return pkgSources
+    .map(src => ({ sourceId: src.id, displayName: src.displayName, manga: bySource.get(src.id)! }))
+    .filter(g => g.manga.length > 0);
+}
+
+export function libraryCountByPkg(
+  libraryManga: LibraryManga[],
+  sources: SourceNode[],
+): Record<string, number> {
+  const sourceIdToPkg = new Map<string, string>();
+  for (const s of sources) {
+    if (s.extension?.pkgName) sourceIdToPkg.set(s.id, s.extension.pkgName);
+  }
+  const counts: Record<string, number> = {};
+  for (const m of libraryManga) {
+    const pkg = sourceIdToPkg.get(m.source.id);
+    if (pkg) counts[pkg] = (counts[pkg] ?? 0) + 1;
+  }
+  return counts;
+}

src/features/extensions/panels/ExtensionLibraryPanel.svelte

@@ -0,0 +1,185 @@
+<script lang="ts">
+  import { ArrowLeft, MagnifyingGlass, GearSix } from "phosphor-svelte";
+  import Thumbnail         from "@shared/manga/Thumbnail.svelte";
+  import { resolvedCover } from "@core/cover/coverResolver";
+  import { gql }           from "@api/client";
+  import { setPreviewManga } from "@store/state.svelte";
+  import { GET_LIBRARY, GET_SOURCES } from "@api/queries";
+  import { libraryByExtension, type LibraryManga, type SourceNode, type SourceLibrary } from "../lib/extensionLibrary";
+
+  type SourceEntry = { id: string; displayName: string };
+
+  interface Props {
+    pkgName:       string;
+    extensionName: string;
+    iconUrl:       string;
+    cols:          number;
+    cropCovers:    boolean;
+    statsAlways:   boolean;
+    anims:         boolean;
+    sources:       SourceEntry[];
+    onBack:        () => void;
+    onSettings:    () => void;
+  }
+
+  let { pkgName, extensionName, iconUrl, cols, cropCovers, statsAlways, anims, sources, onBack, onSettings }: Props = $props();
+
+  let groups:  SourceLibrary[] = $state([]);
+  let loading  = $state(true);
+  let search   = $state("");
+
+  const allManga  = $derived(groups.flatMap(g => g.manga));
+  const filtered  = $derived(
+    search.trim()
+      ? allManga.filter(m => m.title.toLowerCase().includes(search.toLowerCase()))
+      : allManga
+  );
+
+  $effect(() => { load(); });
+
+  async function load() {
+    loading = true;
+    try {
+      const [libData, srcData] = await Promise.all([
+        gql<{ mangas: { nodes: LibraryManga[] } }>(GET_LIBRARY),
+        gql<{ sources: { nodes: SourceNode[] } }>(GET_SOURCES),
+      ]);
+      groups = libraryByExtension(libData.mangas.nodes, srcData.sources.nodes, pkgName);
+    } finally {
+      loading = false;
+    }
+  }
+</script>
+
+<div class="root">
+  <div class="header">
+    <button class="back-btn" onclick={onBack}>
+      <ArrowLeft size={14} weight="bold" />
+    </button>
+    {#if iconUrl}
+      <Thumbnail src={iconUrl} alt={extensionName} class="header-icon" onerror={(e) => ((e.target as HTMLImageElement).style.display = "none")} />
+    {/if}
+    <div class="title-block">
+      <span class="eyebrow">In Library</span>
+      <span class="title">{extensionName}</span>
+    </div>
+    {#if !loading}
+      <span class="count-badge">{allManga.length}</span>
+    {/if}
+    <div class="search-wrap">
+      <MagnifyingGlass size={12} class="search-icon" weight="light" />
+      <input class="search" placeholder="Search" bind:value={search} autocomplete="off" />
+    </div>
+    {#if sources.length > 0}
+      <button class="settings-btn" onclick={onSettings} title="Extension settings">
+        <GearSix size={14} weight="bold" />
+      </button>
+    {/if}
+  </div>
+
+  <div class="content">
+    {#if loading}
+      <div class="grid" style="--cols:{cols}">
+        {#each Array(12) as _}
+          <div class="card-skeleton">
+            <div class="cover-skeleton skeleton"></div>
+            <div class="title-skeleton skeleton"></div>
+          </div>
+        {/each}
+      </div>
+    {:else if filtered.length === 0}
+      <div class="empty">
+        {allManga.length === 0 ? "Nothing from this extension is in your library." : "No matches."}
+      </div>
+    {:else}
+      <div class="grid" style="--cols:{cols}">
+        {#each filtered as m (m.id)}
+          {@const isCompleted = !m.unreadCount && (m.downloadCount > 0)}
+          <button class="card" class:anims onclick={() => setPreviewManga(m as any)}>
+            <div class="cover-wrap" class:completed={isCompleted}>
+              <Thumbnail
+                src={resolvedCover(m.id, m.thumbnailUrl)}
+                alt={m.title}
+                class="cover"
+                style="object-fit:{cropCovers ? 'cover' : 'contain'}"
+                draggable="false"
+              />
+              <div class="card-info-overlay" class:anim={anims} class:instant={!anims} class:always={statsAlways}>
+                <div class="overlay-badges">
+                  {#if isCompleted}
+                    <span class="badge badge-done">✓ Done</span>
+                  {:else if m.unreadCount}
+                    <span class="badge badge-unread">{m.unreadCount} new</span>
+                  {/if}
+                  {#if m.downloadCount}
+                    <span class="badge badge-dl">↓ {m.downloadCount}</span>
+                  {/if}
+                </div>
+              </div>
+            </div>
+            <p class="card-title">{m.title}</p>
+          </button>
+        {/each}
+      </div>
+    {/if}
+  </div>
+</div>
+
+<style>
+  .root { display: flex; flex-direction: column; height: 100%; overflow: hidden; }
+
+  :global(.header-icon) { width: 24px; height: 24px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; background: var(--bg-raised); }
+
+  .header { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-4) var(--sp-6); border-bottom: 1px solid var(--border-dim); flex-shrink: 0; }
+
+  .back-btn { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: var(--radius-md); color: var(--text-faint); flex-shrink: 0; transition: color var(--t-base), background var(--t-base); }
+  .back-btn:hover { color: var(--text-primary); background: var(--bg-raised); }
+
+  .title-block { display: flex; flex-direction: column; gap: 1px; }
+  .eyebrow { font-family: var(--font-ui); font-size: var(--text-2xs); color: var(--text-faint); letter-spacing: var(--tracking-wider); text-transform: uppercase; }
+  .title { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--text-primary); }
+
+  .count-badge { font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide); padding: 2px 8px; border-radius: var(--radius-sm); background: var(--bg-overlay); border: 1px solid var(--border-dim); color: var(--text-muted); flex-shrink: 0; }
+
+  .search-wrap { position: relative; display: flex; align-items: center; margin-left: auto; }
+  .search-wrap :global(.search-icon) { position: absolute; left: 9px; color: var(--text-faint); pointer-events: none; }
+  .search { background: var(--bg-raised); border: 1px solid var(--border-dim); border-radius: var(--radius-md); padding: 5px 10px 5px 26px; color: var(--text-primary); font-size: var(--text-sm); width: 160px; outline: none; transition: border-color var(--t-base); }
+  .search::placeholder { color: var(--text-faint); }
+  .search:focus { border-color: var(--border-strong); }
+
+  .settings-btn { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: var(--radius-md); color: var(--text-faint); flex-shrink: 0; transition: color var(--t-base), background var(--t-base); }
+  .settings-btn:hover { color: var(--text-primary); background: var(--bg-raised); }
+
+  .content { flex: 1; overflow-y: auto; padding: var(--sp-5) var(--sp-6) var(--sp-6); will-change: scroll-position; }
+
+  .grid { display: grid; grid-template-columns: repeat(var(--cols, auto-fill), minmax(130px, 1fr)); gap: var(--sp-4); }
+
+  .card { background: none; border: none; padding: 0; cursor: pointer; text-align: left; }
+  .card.anims:hover .cover-wrap { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: 0 6px 20px rgba(0,0,0,0.35); }
+  .card:hover .card-title { color: var(--text-primary); }
+
+  .cover-wrap { position: relative; aspect-ratio: 2/3; overflow: hidden; border-radius: var(--radius-md); background: var(--bg-raised); border: 1px solid var(--border-dim); will-change: transform; }
+  .card.anims .cover-wrap { transition: transform 0.18s cubic-bezier(0.16,1,0.3,1), border-color var(--t-base), box-shadow 0.18s cubic-bezier(0.16,1,0.3,1); }
+  .cover-wrap.completed { box-shadow: inset 0 -2px 0 0 var(--accent); }
+
+  .card-info-overlay { position: absolute; bottom: -4px; left: 0; right: 0; z-index: 2; padding: 32px 6px 10px; background: linear-gradient(to top, rgba(0,0,0,0.88) 0%, rgba(0,0,0,0.5) 50%, transparent 100%); opacity: 0; pointer-events: none; }
+  .card-info-overlay.anim { transition: opacity 0.18s ease; }
+  .card-info-overlay.instant { transition: none; }
+  .card-info-overlay.always { opacity: 1; }
+  .card:hover .card-info-overlay { opacity: 1; }
+
+  .overlay-badges { display: flex; align-items: flex-end; justify-content: space-between; gap: 4px; flex-wrap: wrap; }
+  .badge { font-family: var(--font-ui); font-size: 9.5px; font-weight: 700; letter-spacing: 0.04em; line-height: 1; padding: 3px 7px; border-radius: 20px; white-space: nowrap; }
+  .badge-unread { background: var(--accent); color: #fff; box-shadow: 0 1px 8px rgba(0,0,0,0.5); }
+  .badge-done { background: rgba(255,255,255,0.18); color: rgba(255,255,255,0.9); border: 1px solid rgba(255,255,255,0.25); }
+  .badge-dl { background: rgba(0,0,0,0.55); color: rgba(255,255,255,0.8); border: 1px solid rgba(255,255,255,0.18); margin-left: auto; }
+
+  .card-title { margin-top: var(--sp-2); font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--leading-snug); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; height: 2lh; }
+  .card.anims .card-title { transition: color var(--t-base); }
+
+  .card-skeleton { padding: 0; }
+  .cover-skeleton { aspect-ratio: 2/3; border-radius: var(--radius-md); }
+  .title-skeleton { height: 12px; margin-top: var(--sp-2); width: 80%; border-radius: var(--radius-sm); }
+
+  .empty { display: flex; align-items: center; justify-content: center; height: 60%; color: var(--text-muted); font-size: var(--text-sm); }
+</style>

src/features/extensions/panels/ExtensionSettingsPanel.svelte

@@ -0,0 +1,526 @@
+<script lang="ts">
+  import { X, CircleNotch, CaretUpDown, Check, CaretLeft } from "phosphor-svelte";
+  import Thumbnail from "@shared/manga/Thumbnail.svelte";
+  import { gql } from "@api/client";
+  import { addToast } from "@store/state.svelte";
+  import { GET_SOURCE_SETTINGS } from "@api/queries";
+  import { UPDATE_SOURCE_PREFERENCE } from "@api/mutations";
+
+  interface Preference {
+    type: string;
+    key: string;
+    CheckBoxTitle?: string;
+    CheckBoxSummary?: string;
+    CheckBoxDefault?: boolean;
+    CheckBoxCurrentValue?: boolean;
+    SwitchPreferenceTitle?: string;
+    SwitchPreferenceSummary?: string;
+    SwitchPreferenceDefault?: boolean;
+    SwitchPreferenceCurrentValue?: boolean;
+    ListPreferenceTitle?: string;
+    ListPreferenceSummary?: string;
+    ListPreferenceDefault?: string;
+    ListPreferenceCurrentValue?: string;
+    entries?: string[];
+    entryValues?: string[];
+    EditTextPreferenceTitle?: string;
+    EditTextPreferenceSummary?: string;
+    EditTextPreferenceDefault?: string;
+    EditTextPreferenceCurrentValue?: string;
+    dialogTitle?: string;
+    dialogMessage?: string;
+    MultiSelectListPreferenceTitle?: string;
+    MultiSelectListPreferenceSummary?: string;
+    MultiSelectListPreferenceDefault?: string[];
+    MultiSelectListPreferenceCurrentValue?: string[];
+  }
+
+  export type SourceEntry = { id: string; displayName: string };
+
+  interface Props {
+    extensionName: string;
+    iconUrl:       string;
+    sources: SourceEntry[];
+    onClose: () => void;
+  }
+
+  let { extensionName, iconUrl, sources, onClose }: Props = $props();
+
+  let phase        = $state<"pick" | "settings">("pick");
+  let activeSource = $state<SourceEntry | null>(null);
+  let prefs        = $state<Preference[]>([]);
+  let loading      = $state(false);
+  let saving       = $state<string | null>(null);
+  let editKey      = $state<string | null>(null);
+  let editValue    = $state("");
+  let listOpen     = $state<string | null>(null);
+
+  $effect(() => {
+    if (sources.length === 1) openSource(sources[0]);
+  });
+
+  async function openSource(src: SourceEntry) {
+    activeSource = src;
+    phase        = "settings";
+    loading      = true;
+    prefs        = [];
+    editKey      = null;
+    listOpen     = null;
+    try {
+      const d = await gql<{ source: { preferences: Preference[] } }>(
+        GET_SOURCE_SETTINGS,
+        { id: String(src.id) },
+      );
+      prefs = d.source.preferences ?? [];
+    } catch (e: any) {
+      addToast({ kind: "error", title: "Failed to load settings", body: e?.message ?? "" });
+    } finally {
+      loading = false;
+    }
+  }
+
+  function backToPicker() {
+    phase        = "pick";
+    activeSource = null;
+    prefs        = [];
+    editKey      = null;
+    listOpen     = null;
+  }
+
+  async function save(position: number, changeType: string, value: unknown) {
+    if (!activeSource) return;
+    const pref = prefs[position];
+    saving = pref.key;
+    try {
+      await gql(UPDATE_SOURCE_PREFERENCE, {
+        source: String(activeSource.id),
+        change: { position, [changeType]: value },
+      });
+      const d = await gql<{ source: { preferences: Preference[] } }>(
+        GET_SOURCE_SETTINGS,
+        { id: String(activeSource.id) },
+      );
+      prefs = d.source.preferences ?? [];
+    } catch (e: any) {
+      addToast({ kind: "error", title: "Failed to save", body: e?.message ?? "" });
+    } finally {
+      saving = null;
+    }
+  }
+
+  function getTitle(p: Preference) {
+    return p.CheckBoxTitle ?? p.SwitchPreferenceTitle ?? p.ListPreferenceTitle
+      ?? p.EditTextPreferenceTitle ?? p.MultiSelectListPreferenceTitle ?? p.key;
+  }
+  function getSummary(p: Preference) {
+    return p.CheckBoxSummary ?? p.SwitchPreferenceSummary ?? p.ListPreferenceSummary
+      ?? p.EditTextPreferenceSummary ?? p.MultiSelectListPreferenceSummary ?? null;
+  }
+  function getBoolValue(p: Preference) {
+    if (p.type === "CheckBoxPreference")
+      return p.CheckBoxCurrentValue ?? p.CheckBoxDefault ?? false;
+    return p.SwitchPreferenceCurrentValue ?? p.SwitchPreferenceDefault ?? false;
+  }
+  function getListValue(p: Preference) {
+    return p.ListPreferenceCurrentValue ?? p.ListPreferenceDefault ?? "";
+  }
+  function getListLabel(p: Preference, val: string) {
+    const idx = p.entryValues?.indexOf(val) ?? -1;
+    return idx >= 0 ? (p.entries?.[idx] ?? val) : val;
+  }
+  function getMultiValue(p: Preference): string[] {
+    return p.MultiSelectListPreferenceCurrentValue ?? p.MultiSelectListPreferenceDefault ?? [];
+  }
+  function toggleMulti(position: number, p: Preference, val: string) {
+    const current = getMultiValue(p);
+    const next = current.includes(val) ? current.filter(v => v !== val) : [...current, val];
+    save(position, "multiSelectState", next);
+  }
+  function submitEdit(position: number) {
+    save(position, "editTextState", editValue);
+    editKey = null;
+  }
+  function openEdit(p: Preference) {
+    editKey   = p.key;
+    editValue = p.EditTextPreferenceCurrentValue ?? p.EditTextPreferenceDefault ?? "";
+  }
+
+  function langTag(displayName: string) {
+    const m = displayName.match(/\(([^)]+)\)$/);
+    return m ? m[1].toUpperCase() : null;
+  }
+
+  function onBackdrop(e: MouseEvent) {
+    if (e.target === e.currentTarget) onClose();
+  }
+  function onKeydown(e: KeyboardEvent) {
+    if (e.key === "Escape") {
+      if (editKey)  { editKey = null; return; }
+      if (listOpen) { listOpen = null; return; }
+      if (phase === "settings" && sources.length > 1) { backToPicker(); return; }
+      onClose();
+    }
+  }
+</script>
+
+<svelte:window onkeydown={onKeydown} />
+
+<div class="backdrop" role="dialog" aria-modal="true" onmousedown={onBackdrop}>
+  <div class="modal">
+
+    <div class="modal-header">
+      <div class="modal-title-wrap">
+        {#if phase === "settings" && sources.length > 1}
+          <button class="icon-btn" onclick={backToPicker} title="Back">
+            <CaretLeft size={13} weight="bold" />
+          </button>
+        {/if}
+        {#if iconUrl}
+          <Thumbnail src={iconUrl} alt={extensionName} class="modal-ext-icon" onerror={(e) => ((e.target as HTMLImageElement).style.display = "none")} />
+        {/if}
+        <div class="modal-titles">
+          <span class="modal-eyebrow">Extension Settings</span>
+          <span class="modal-title">
+            {phase === "pick" ? extensionName : (activeSource?.displayName ?? extensionName)}
+          </span>
+        </div>
+      </div>
+      <button class="icon-btn" onclick={onClose}>
+        <X size={14} weight="bold" />
+      </button>
+    </div>
+
+    <div class="modal-body">
+
+      {#if phase === "pick"}
+        <div class="source-list">
+          {#each sources as src}
+            {@const tag = langTag(src.displayName)}
+            {@const baseName = src.displayName.replace(/\s*\([^)]+\)$/, "")}
+            <button class="source-row" onclick={() => openSource(src)}>
+              <span class="source-name">{baseName}</span>
+              {#if tag}<span class="lang-badge">{tag}</span>{/if}
+            </button>
+          {/each}
+        </div>
+
+      {:else}
+        {#if loading}
+          <div class="center-state">
+            <CircleNotch size={16} weight="light" class="anim-spin" style="color:var(--text-faint)" />
+          </div>
+        {:else if prefs.length === 0}
+          <div class="center-state empty-state">No configurable settings.</div>
+        {:else}
+          <div class="pref-list">
+            {#each prefs as pref, i}
+              {@const title   = getTitle(pref)}
+              {@const summary = getSummary(pref)}
+              {@const isSaving = saving === pref.key}
+
+              {#if pref.type === "CheckBoxPreference" || pref.type === "SwitchPreference"}
+                {@const checked = getBoolValue(pref)}
+                <div class="pref-row">
+                  <div class="pref-text">
+                    <span class="pref-title">{title}</span>
+                    {#if summary}<span class="pref-summary">{summary}</span>{/if}
+                  </div>
+                  <button
+                    class="toggle" class:toggle-on={checked}
+                    disabled={isSaving}
+                    onclick={() => save(i, pref.type === "CheckBoxPreference" ? "checkBoxState" : "switchState", !checked)}
+                  >
+                    {#if isSaving}
+                      <CircleNotch size={10} weight="light" class="anim-spin" />
+                    {:else}
+                      <span class="toggle-thumb"></span>
+                    {/if}
+                  </button>
+                </div>
+
+              {:else if pref.type === "ListPreference"}
+                {@const current = getListValue(pref)}
+                <div class="pref-row pref-row-col">
+                  <div class="pref-text">
+                    <span class="pref-title">{title}</span>
+                    {#if summary}<span class="pref-summary">{summary}</span>{/if}
+                  </div>
+                  <div class="select-wrap">
+                    <button
+                      class="select-btn" class:select-open={listOpen === pref.key}
+                      disabled={isSaving}
+                      onclick={() => listOpen = listOpen === pref.key ? null : pref.key}
+                    >
+                      <span class="select-val">{getListLabel(pref, current)}</span>
+                      {#if isSaving}
+                        <CircleNotch size={11} weight="light" class="anim-spin" />
+                      {:else}
+                        <CaretUpDown size={11} weight="bold" />
+                      {/if}
+                    </button>
+                    {#if listOpen === pref.key}
+                      <div class="dropdown">
+                        {#each (pref.entries ?? []) as entry, j}
+                          {@const val = pref.entryValues?.[j] ?? entry}
+                          <button
+                            class="dropdown-item" class:dropdown-item-active={val === current}
+                            onclick={() => { save(i, "listState", val); listOpen = null; }}
+                          >
+                            {entry}
+                            {#if val === current}<Check size={11} weight="bold" />{/if}
+                          </button>
+                        {/each}
+                      </div>
+                    {/if}
+                  </div>
+                </div>
+
+              {:else if pref.type === "EditTextPreference"}
+                {#if editKey === pref.key}
+                  <div class="pref-row pref-row-col edit-active">
+                    <div class="pref-text">
+                      {#if pref.dialogTitle}<span class="pref-title">{pref.dialogTitle}</span>{/if}
+                      {#if pref.dialogMessage}<span class="pref-summary">{pref.dialogMessage}</span>{/if}
+                    </div>
+                    <div class="edit-row">
+                      <input
+                        class="edit-input"
+                        bind:value={editValue}
+                        disabled={isSaving}
+                        onkeydown={(e) => { if (e.key === "Enter") submitEdit(i); if (e.key === "Escape") editKey = null; }}
+                        autofocus
+                      />
+                      <button class="action-btn-dim" onclick={() => editKey = null}>Cancel</button>
+                      <button class="action-btn" onclick={() => submitEdit(i)} disabled={isSaving}>
+                        {#if isSaving}<CircleNotch size={11} weight="light" class="anim-spin" />{:else}Save{/if}
+                      </button>
+                    </div>
+                  </div>
+                {:else}
+                  <button class="pref-row pref-row-btn" onclick={() => openEdit(pref)}>
+                    <div class="pref-text">
+                      <span class="pref-title">{title}</span>
+                      {#if summary}<span class="pref-summary">{summary}</span>{/if}
+                    </div>
+                    <span class="pref-value-hint">
+                      {pref.EditTextPreferenceCurrentValue ?? pref.EditTextPreferenceDefault ?? "—"}
+                    </span>
+                  </button>
+                {/if}
+
+              {:else if pref.type === "MultiSelectListPreference"}
+                {@const selected = getMultiValue(pref)}
+                <div class="pref-row pref-row-col">
+                  <div class="pref-text">
+                    <span class="pref-title">{title}</span>
+                    {#if summary}<span class="pref-summary">{summary}</span>{/if}
+                  </div>
+                  <div class="multi-list">
+                    {#each (pref.entries ?? []) as entry, j}
+                      {@const val = pref.entryValues?.[j] ?? entry}
+                      {@const on  = selected.includes(val)}
+                      <button
+                        class="multi-item" class:multi-item-on={on}
+                        disabled={isSaving}
+                        onclick={() => toggleMulti(i, pref, val)}
+                      >
+                        <span class="multi-check">{#if on}<Check size={10} weight="bold" />{/if}</span>
+                        {entry}
+                      </button>
+                    {/each}
+                  </div>
+                </div>
+              {/if}
+            {/each}
+          </div>
+        {/if}
+      {/if}
+
+    </div>
+  </div>
+</div>
+
+<style>
+  .backdrop {
+    position: fixed; inset: 0;
+    background: rgba(0,0,0,0.45);
+    backdrop-filter: blur(4px);
+    display: flex; align-items: center; justify-content: center;
+    z-index: var(--z-modal);
+    animation: fadeIn 0.15s ease both;
+  }
+  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
+
+  .modal {
+    display: flex; flex-direction: column;
+    width: 400px; max-width: calc(100vw - 32px); max-height: 78vh;
+    background: var(--bg-surface);
+    border: 1px solid var(--border-dim);
+    border-radius: var(--radius-lg);
+    overflow: hidden;
+    animation: slideUp 0.18s cubic-bezier(0.16,1,0.3,1) both;
+    box-shadow: var(--shadow-lg);
+  }
+  @keyframes slideUp { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
+
+  .modal-header {
+    display: flex; align-items: center; justify-content: space-between;
+    padding: var(--sp-3) var(--sp-3) var(--sp-3) var(--sp-4);
+    border-bottom: 1px solid var(--border-dim);
+    flex-shrink: 0;
+  }
+  .modal-title-wrap { display: flex; align-items: center; gap: var(--sp-2); }
+  :global(.modal-ext-icon) { width: 22px; height: 22px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; background: var(--bg-raised); }
+  .modal-titles { display: flex; flex-direction: column; gap: 1px; }
+  .modal-eyebrow {
+    font-family: var(--font-ui); font-size: var(--text-2xs);
+    color: var(--text-faint); letter-spacing: var(--tracking-wider); text-transform: uppercase;
+  }
+  .modal-title { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--text-primary); }
+
+  .icon-btn {
+    display: flex; align-items: center; justify-content: center;
+    width: 26px; height: 26px;
+    border-radius: var(--radius-md);
+    color: var(--text-faint); flex-shrink: 0;
+    transition: color var(--t-base), background var(--t-base);
+  }
+  .icon-btn:hover { color: var(--text-primary); background: var(--bg-overlay); }
+
+  .modal-body { overflow-y: auto; flex: 1; }
+
+  .source-list { display: flex; flex-direction: column; padding: var(--sp-2) 0; }
+  .source-row {
+    display: flex; align-items: center; justify-content: space-between;
+    padding: 10px var(--sp-4);
+    text-align: left;
+    transition: background var(--t-fast);
+    gap: var(--sp-3);
+  }
+  .source-row:hover { background: var(--bg-raised); }
+  .source-name { flex: 1; font-size: var(--text-sm); color: var(--text-secondary); font-weight: var(--weight-medium); }
+  .lang-badge {
+    font-family: var(--font-ui); font-size: 10px; letter-spacing: var(--tracking-wide);
+    color: var(--text-faint); background: var(--bg-overlay);
+    border: 1px solid var(--border-dim);
+    border-radius: var(--radius-sm);
+    padding: 1px 6px; flex-shrink: 0;
+  }
+
+  .center-state { display: flex; align-items: center; justify-content: center; padding: var(--sp-8); }
+  .empty-state { font-family: var(--font-ui); font-size: var(--text-xs); color: var(--text-faint); letter-spacing: var(--tracking-wide); }
+
+  .pref-list { display: flex; flex-direction: column; padding: var(--sp-2) 0; }
+  .pref-row {
+    display: flex; align-items: center; gap: var(--sp-3);
+    padding: 10px var(--sp-4);
+    border-bottom: 1px solid var(--border-dim);
+  }
+  .pref-row:last-child { border-bottom: none; }
+  .pref-row-col { flex-direction: column; align-items: stretch; gap: var(--sp-2); }
+  .pref-row-btn { width: 100%; text-align: left; transition: background var(--t-fast); }
+  .pref-row-btn:hover { background: var(--bg-raised); }
+  .edit-active { background: var(--bg-raised); }
+
+  .pref-text { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
+  .pref-title { font-size: var(--text-sm); color: var(--text-secondary); font-weight: var(--weight-medium); }
+  .pref-summary {
+    font-family: var(--font-ui); font-size: var(--text-2xs);
+    color: var(--text-faint); letter-spacing: var(--tracking-wide); line-height: 1.5;
+  }
+  .pref-value-hint {
+    font-family: var(--font-ui); font-size: var(--text-2xs);
+    color: var(--text-muted); letter-spacing: var(--tracking-wide);
+    flex-shrink: 0; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
+  }
+
+  .toggle {
+    position: relative; width: 32px; height: 18px; border-radius: 9px;
+    background: var(--bg-overlay); border: 1px solid var(--border-strong);
+    flex-shrink: 0; transition: background var(--t-base), border-color var(--t-base);
+    display: flex; align-items: center; justify-content: center;
+  }
+  .toggle-on { background: var(--accent-muted); border-color: var(--accent-dim); }
+  .toggle-thumb {
+    position: absolute; left: 2px; width: 12px; height: 12px;
+    border-radius: 50%; background: var(--text-faint);
+    transition: left var(--t-base), background var(--t-base); pointer-events: none;
+  }
+  .toggle-on .toggle-thumb { left: 16px; background: var(--accent-fg); }
+  .toggle:disabled { opacity: 0.4; cursor: default; }
+
+  .select-wrap { position: relative; }
+  .select-btn {
+    display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2);
+    width: 100%; padding: 6px var(--sp-3);
+    background: var(--bg-base); border: 1px solid var(--border-strong);
+    border-radius: var(--radius-md); color: var(--text-secondary); font-size: var(--text-sm);
+    transition: border-color var(--t-base);
+  }
+  .select-btn:hover:not(:disabled) { border-color: var(--border-focus); }
+  .select-btn:disabled { opacity: 0.4; cursor: default; }
+  .select-open { border-color: var(--border-focus); }
+  .select-val { flex: 1; text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+
+  .dropdown {
+    position: absolute; top: calc(100% + 4px); left: 0; right: 0;
+    background: var(--bg-surface); border: 1px solid var(--border-strong);
+    border-radius: var(--radius-md); overflow: hidden;
+    box-shadow: var(--shadow-lg); z-index: 10;
+    animation: dropIn 0.12s cubic-bezier(0.16,1,0.3,1) both;
+  }
+  @keyframes dropIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
+  .dropdown-item {
+    display: flex; align-items: center; justify-content: space-between;
+    width: 100%; padding: 7px var(--sp-3);
+    font-size: var(--text-sm); color: var(--text-secondary);
+    transition: background var(--t-fast);
+  }
+  .dropdown-item:hover { background: var(--bg-raised); }
+  .dropdown-item-active { color: var(--accent-fg); }
+
+  .edit-row { display: flex; gap: var(--sp-2); }
+  .edit-input {
+    flex: 1; background: var(--bg-base); border: 1px solid var(--border-strong);
+    border-radius: var(--radius-md); padding: 6px var(--sp-3);
+    color: var(--text-primary); font-size: var(--text-sm);
+    outline: none; transition: border-color var(--t-base);
+  }
+  .edit-input:focus { border-color: var(--border-focus); }
+
+  .action-btn {
+    font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: var(--tracking-wide);
+    padding: 5px 12px; border-radius: var(--radius-md);
+    background: var(--accent-muted); color: var(--accent-fg); border: 1px solid var(--accent-dim);
+    flex-shrink: 0; display: flex; align-items: center; gap: var(--sp-1);
+    transition: filter var(--t-base);
+  }
+  .action-btn:hover:not(:disabled) { filter: brightness(1.1); }
+  .action-btn:disabled { opacity: 0.4; cursor: default; }
+
+  .action-btn-dim {
+    font-family: var(--font-ui); font-size: var(--text-xs); letter-spacing: var(--tracking-wide);
+    padding: 5px 12px; border-radius: var(--radius-md);
+    background: none; color: var(--text-faint); border: 1px solid var(--border-dim);
+    flex-shrink: 0; transition: color var(--t-base), border-color var(--t-base);
+  }
+  .action-btn-dim:hover { color: var(--text-secondary); border-color: var(--border-strong); }
+
+  .multi-list { display: flex; flex-direction: column; gap: 1px; }
+  .multi-item {
+    display: flex; align-items: center; gap: var(--sp-2);
+    padding: 6px var(--sp-2); border-radius: var(--radius-md);
+    font-size: var(--text-sm); color: var(--text-muted); border: 1px solid transparent;
+    transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
+  }
+  .multi-item:hover:not(:disabled) { background: var(--bg-raised); color: var(--text-secondary); }
+  .multi-item-on { color: var(--accent-fg); background: var(--accent-muted); border-color: var(--accent-dim); }
+  .multi-check {
+    width: 14px; height: 14px; border-radius: var(--radius-sm);
+    border: 1px solid var(--border-strong); background: var(--bg-base);
+    display: flex; align-items: center; justify-content: center;
+    flex-shrink: 0; color: var(--accent-fg);
+    transition: background var(--t-fast), border-color var(--t-fast);
+  }
+  .multi-item-on .multi-check { background: var(--accent-muted); border-color: var(--accent-dim); }
+</style>

src/shared/chrome/Toaster.svelte

@@ -6,6 +6,8 @@
   const leaving = new Set<string>();
   const timers  = new Map<string, ReturnType<typeof setTimeout>>();
 
+  let detail = $state<Toast | null>(null);
+
   function schedule(t: Toast) {
     if (timers.has(t.id)) return;
     const dur = t.duration ?? 3500;
@@ -30,12 +32,23 @@
     dismissToast(id);
   }
 
+  function openDetail(e: MouseEvent, t: Toast) {
+    e.preventDefault();
+    detail = t;
+    if (timers.has(t.id)) { clearTimeout(timers.get(t.id)!); timers.delete(t.id); }
+  }
+
+  function closeDetail() {
+    detail = null;
+  }
+
   $effect(() => {
     const activeIds = new Set(store.toasts.map(t => t.id));
     store.toasts.forEach(schedule);
     for (const [id, timer] of timers) {
       if (!activeIds.has(id)) { clearTimeout(timer); timers.delete(id); }
     }
+    if (detail && !activeIds.has(detail.id)) detail = null;
   });
 
   const icons: Record<Toast["kind"], string> = {
@@ -49,7 +62,10 @@
 {#if store.toasts.length}
   <div class="toaster" aria-live="polite">
     {#each store.toasts as t (t.id)}
-      <button class="toast toast-{t.kind}" data-toast-id={t.id} aria-label="{t.title}{t.body ? ': ' + t.body : ''}" onclick={() => dismiss(t.id)}>
+      <button class="toast toast-{t.kind}" data-toast-id={t.id} aria-label="{t.title}{t.body ? ': ' + t.body : ''}"
+        onclick={() => dismiss(t.id)}
+        oncontextmenu={(e) => openDetail(e, t)}
+      >
         <div class="accent-bar"></div>
         <span class="icon">
           <svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
@@ -65,6 +81,36 @@
   </div>
 {/if}
 
+{#if detail}
+  <div class="detail-backdrop" role="presentation" onclick={closeDetail} oncontextmenu={(e) => e.preventDefault()}>
+    <div class="detail-panel detail-{detail.kind}" role="dialog" onclick={(e) => e.stopPropagation()}>
+      <div class="detail-accent"></div>
+      <div class="detail-body">
+        <div class="detail-header">
+          <span class="detail-kind">{detail.kind}</span>
+          <button class="detail-close" onclick={closeDetail} aria-label="Close">
+            <svg width="11" height="11" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round">
+              <line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/>
+            </svg>
+          </button>
+        </div>
+        <p class="detail-title">{detail.title}</p>
+        {#if detail.body}
+          <pre class="detail-text">{detail.body}</pre>
+        {/if}
+        <div class="detail-actions">
+          <button class="detail-copy" onclick={() => navigator.clipboard.writeText(`${detail!.title}${detail!.body ? '\n' + detail!.body : ''}`)}>
+            Copy
+          </button>
+          <button class="detail-dismiss" onclick={() => { dismiss(detail!.id); closeDetail(); }}>
+            Dismiss
+          </button>
+        </div>
+      </div>
+    </div>
+  </div>
+{/if}
+
 <style>
   .toaster { position: fixed; bottom: var(--sp-5); right: var(--sp-5); z-index: 9999; display: flex; flex-direction: column; gap: 5px; pointer-events: none; }
 
@@ -105,4 +151,79 @@
   .body  { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 5px; }
   .title { font-size: var(--text-xs); font-family: var(--font-ui); color: var(--text-secondary); font-weight: var(--weight-medium); letter-spacing: var(--tracking-wide); line-height: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
   .sub   { font-family: var(--font-ui); font-size: var(--text-2xs); color: var(--text-faint); letter-spacing: var(--tracking-wide); line-height: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
+
+  .detail-backdrop {
+    position: fixed; inset: 0; z-index: 10000;
+    background: rgba(0,0,0,0.45);
+    display: flex; align-items: center; justify-content: center;
+    animation: fadeIn 0.15s ease both;
+  }
+  @keyframes fadeIn { from { opacity: 0 } to { opacity: 1 } }
+
+  .detail-panel {
+    display: flex; width: 420px; max-width: calc(100vw - 32px); max-height: 60vh;
+    border-radius: var(--radius-lg); background: var(--bg-raised);
+    border: 1px solid var(--border-base);
+    box-shadow: 0 24px 64px rgba(0,0,0,0.7), 0 1px 0 rgba(255,255,255,0.05) inset;
+    overflow: hidden;
+    animation: popIn 0.2s cubic-bezier(0.16,1,0.3,1) both;
+  }
+  @keyframes popIn { from { opacity: 0; transform: scale(0.95) } to { opacity: 1; transform: scale(1) } }
+
+  .detail-accent { width: 3px; flex-shrink: 0; }
+  .detail-error   .detail-accent { background: var(--color-error); }
+  .detail-success .detail-accent { background: var(--accent-fg); }
+  .detail-info    .detail-accent { background: var(--text-faint); }
+  .detail-download .detail-accent { background: var(--accent-fg); }
+
+  .detail-body { flex: 1; min-width: 0; display: flex; flex-direction: column; padding: var(--sp-3); gap: var(--sp-2); overflow: hidden; }
+
+  .detail-header { display: flex; align-items: center; justify-content: space-between; }
+  .detail-kind {
+    font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wider);
+    text-transform: uppercase; color: var(--text-faint);
+  }
+  .detail-error   .detail-kind { color: var(--color-error); }
+
+  .detail-close {
+    display: flex; align-items: center; justify-content: center;
+    width: 20px; height: 20px; border-radius: var(--radius-sm);
+    background: none; border: none; color: var(--text-faint); cursor: pointer;
+    transition: color var(--t-fast), background var(--t-fast);
+  }
+  .detail-close:hover { color: var(--text-primary); background: var(--bg-overlay); }
+
+  .detail-title {
+    font-family: var(--font-ui); font-size: var(--text-sm);
+    color: var(--text-secondary); font-weight: var(--weight-medium);
+    line-height: var(--leading-snug); word-break: break-word;
+  }
+
+  .detail-text {
+    flex: 1; min-height: 0; overflow-y: auto;
+    font-family: var(--font-mono, monospace); font-size: var(--text-xs);
+    color: var(--text-muted); line-height: var(--leading-relaxed);
+    white-space: pre-wrap; word-break: break-all;
+    background: var(--bg-void); border: 1px solid var(--border-dim);
+    border-radius: var(--radius-sm); padding: var(--sp-2) var(--sp-3);
+    scrollbar-width: thin;
+    margin: 0;
+  }
+
+  .detail-actions { display: flex; gap: var(--sp-2); margin-top: var(--sp-1); }
+  .detail-copy, .detail-dismiss {
+    font-family: var(--font-ui); font-size: var(--text-2xs); letter-spacing: var(--tracking-wide);
+    padding: 5px var(--sp-3); border-radius: var(--radius-sm); cursor: pointer;
+    transition: color var(--t-base), background var(--t-base), border-color var(--t-base);
+  }
+  .detail-copy {
+    border: 1px solid var(--border-dim); background: none; color: var(--text-muted);
+  }
+  .detail-copy:hover { color: var(--text-primary); border-color: var(--border-strong); background: var(--bg-overlay); }
+  .detail-dismiss {
+    border: 1px solid color-mix(in srgb, var(--color-error) 40%, transparent);
+    background: color-mix(in srgb, var(--color-error) 10%, transparent);
+    color: var(--color-error);
+  }
+  .detail-dismiss:hover { background: color-mix(in srgb, var(--color-error) 18%, transparent); }
 </style>