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>

internal/api/server.go

@@ -2064,15 +2064,12 @@ func (s *Server) handleWebhookIngest(w http.ResponseWriter, r *http.Request) {
 func (s *Server) handleSearch(w http.ResponseWriter, r *http.Request) {
 	userID := auth.GetUserID(r.Context())
 	q := r.URL.Query().Get("q")
-	thoughts, docs, err := s.store.SearchAll(userID, q)
+	res, err := s.store.SearchGlobal(userID, q)
 	if err != nil {
 		writeError(w, http.StatusInternalServerError, err.Error())
 		return
 	}
-	writeJSON(w, http.StatusOK, map[string]interface{}{
-		"thoughts":  thoughts,
-		"documents": docs,
-	})
+	writeJSON(w, http.StatusOK, res)
 }
 
 // --- CUSTOM THEMES ---