feat(navigation): count open workspace todos and style tab badges as notification dots

internal/domain/models.go

@@ -330,12 +330,13 @@ type WSMessage struct {
 }
 
 type DashboardStats struct {
-	InboxCount     int `json:"inboxCount"`
-	TasksOpenCount int `json:"tasksOpenCount"`
-	TasksDoneCount int `json:"tasksDoneCount"`
-	DocsCount      int `json:"docsCount"`
-	ListsCount     int `json:"listsCount"`
-	DiscardedCount int `json:"discardedCount"`
+	InboxCount         int `json:"inboxCount"`
+	TasksOpenCount     int `json:"tasksOpenCount"`
+	TasksDoneCount     int `json:"tasksDoneCount"`
+	DocsCount          int `json:"docsCount"`
+	DocsTodosOpenCount int `json:"docsTodosOpenCount"`
+	ListsCount         int `json:"listsCount"`
+	DiscardedCount     int `json:"discardedCount"`
 }
 
 type FullExport struct {

internal/storage/sqlite.go

@@ -1910,6 +1910,31 @@ func (s *Store) GetDashboardStats(userID string) (*domain.DashboardStats, error)
 	_ = s.db.QueryRow(`SELECT COUNT(*) FROM documents WHERE user_id = ? AND is_archived = 0`, userID).Scan(&st.DocsCount)
 	_ = s.db.QueryRow(`SELECT COUNT(*) FROM thoughts WHERE user_id = ? AND status = 'discarded'`, userID).Scan(&st.DiscardedCount)
 	_ = s.db.QueryRow(`SELECT COUNT(*) FROM lists l JOIN space_members sm ON sm.space_id = l.space_id WHERE sm.user_id = ?`, userID).Scan(&st.ListsCount)
+
+	// Count open (uncompleted) To-Dos across accessible workspace documents (owned or shared)
+	docRows, err := s.db.Query(`
+		SELECT blocks_json FROM documents 
+		WHERE (user_id = ? OR id IN (SELECT doc_id FROM doc_shares WHERE user_id = ?))
+		  AND is_archived = 0`,
+		userID, userID,
+	)
+	if err == nil {
+		for docRows.Next() {
+			var bj string
+			if err := docRows.Scan(&bj); err == nil && bj != "" {
+				var blocks []domain.DocumentBlock
+				if err := json.Unmarshal([]byte(bj), &blocks); err == nil {
+					for _, b := range blocks {
+						if b.Type == "todo" && !b.Checked {
+							st.DocsTodosOpenCount++
+						}
+					}
+				}
+			}
+		}
+		_ = docRows.Close()
+	}
+
 	return st, nil
 }