feat(search): scope inbox search access

internal/handler/api/v1/search_handler.go

@@ -289,6 +289,9 @@ func serializeSearchPayload(results []search.SearchResult) gin.H {
 
 func parseChatwootSearchFilter(c *gin.Context) search.SearchFilter {
 	filter := search.ParseSearchFilter(c)
+	if userID := getUserID(c); userID != 0 {
+		filter.CurrentUserID = &userID
+	}
 	if c.Query("per_page") == "" {
 		filter.PerPage = chatwootSearchPerPage
 	}

internal/handler/api/v1/search_handler_test.go

@@ -253,6 +253,27 @@ func TestSearchHandler_SearchMessages_Success(t *testing.T) {
 	assert.Equal(t, 15, repo.msgFilter.PerPage)
 }
 
+func TestSearchHandler_SearchMessages_AddsCurrentUserToFilter(t *testing.T) {
+	repo := &mockSearchRepo{
+		messages: []model.Message{makeMessage(1, 1, "hello world")},
+		msgTotal: 1,
+	}
+	svc := search.NewSearchService(repo)
+	handler := NewSearchHandler(svc)
+	router := setupSearchHandlerRouter(handler)
+
+	w := httptest.NewRecorder()
+	req := httptest.NewRequest("GET", "/api/v1/accounts/1/search/messages?q=hello&page=1", nil)
+	req.Header.Set("X-User-ID", "42")
+	router.ServeHTTP(w, req)
+
+	require.Equal(t, http.StatusOK, w.Code)
+	require.NotNil(t, repo.msgFilter)
+	if assert.NotNil(t, repo.msgFilter.CurrentUserID) {
+		assert.Equal(t, uint(42), *repo.msgFilter.CurrentUserID)
+	}
+}
+
 func TestSearchHandler_SearchMessages_MeiliHitPayloadShape(t *testing.T) {
 	svc := search.NewSearchServiceWithEngine(&stubSearchEngine{
 		resp: &search.SearchResponse{