sync: feed pane UX from private repo

- Strip kanban, grid, and saved views from ViewsOverlay (1103→631 lines)
- Add sort order dropdown (Updated/Edges/Created) with localStorage persistence
- Polish filter button, dropdown, and filter chips
- Switch to server-side dimension filtering with AND logic (dimensionsMatch=all)
- Add description preview and edge count to node cards
- Add 'created' sort option and dimensionsMatch param to types, service, API

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/types/database.ts

@@ -70,7 +70,8 @@ export interface NodeFilters {
   search?: string;           // Text search in title/content
   limit?: number;
   offset?: number;
-  sortBy?: 'updated' | 'edges';  // Sort by updated_at or edge count
+  sortBy?: 'updated' | 'edges' | 'created';  // Sort by updated_at, edge count, or created_at
+  dimensionsMatch?: 'any' | 'all';  // 'any' = OR (default), 'all' = AND
 }
 
 export interface ChunkData {