Merge branch 'feature/search-emoji-demo' into dev

Gemini: full emoji picker (desktop + mobile bottom sheet), global search
with SQLite FTS5 and Cmd+K palette (access-checked), demo mode resets the
database on every start.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

frontend/src/lib/api.ts

@@ -24,6 +24,7 @@ import {
   TaskListShare,
   Thought,
   SubTask,
+  SearchResults,
   TagDetails,
   TagSummary,
   User,
@@ -1065,8 +1066,8 @@ export const api = {
     );
   },
 
-  async searchAll(q: string): Promise<{ thoughts: Thought[]; documents: Document[] }> {
-    return request<{ thoughts: Thought[]; documents: Document[] }>(
+  async searchAll(q: string): Promise<SearchResults> {
+    return request<SearchResults>(
       `/api/v1/search?q=${encodeURIComponent(q)}`
     );
   },

frontend/src/lib/types.ts

@@ -304,6 +304,25 @@ export interface TagDetails {
   totalMatches: number;
 }
 
+export interface SearchHit {
+  type: 'document' | 'thought' | 'list_item';
+  id: string;
+  title: string;
+  snippet: string;
+  score?: number;
+  docId?: string;
+  blockId?: string;
+  listId?: string;
+  icon?: string;
+}
+
+export interface SearchResults {
+  thoughts: Thought[];
+  documents: Document[];
+  listItems: ListItem[];
+  hits: SearchHit[];
+}
+
 export interface SpaceMember {
   spaceId: string;
   userId: string;