sync: Phase 3 Agent Features from private repo

Features synced:
- LucideIconPicker component (115 icons for dimension customization)
- Dimension editing modal (descriptions + icons)
- Compound filters (per-column AND filters)
- Improved dimension assignment with keyword tagging
- queryDimensions and getDimension agent tools

New files:
- src/components/common/LucideIconPicker.tsx
- src/tools/database/queryDimensions.ts
- src/tools/database/getDimension.ts

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/tools/infrastructure/registry.ts

@@ -11,6 +11,8 @@ import { updateDimensionTool } from '../database/updateDimension';
 import { lockDimensionTool } from '../database/lockDimension';
 import { unlockDimensionTool } from '../database/unlockDimension';
 import { deleteDimensionTool } from '../database/deleteDimension';
+import { queryDimensionsTool } from '../database/queryDimensions';
+import { getDimensionTool } from '../database/getDimension';
 import { searchContentEmbeddingsTool } from '../other/searchContentEmbeddings';
 import { webSearchTool } from '../other/webSearch';
 import { thinkTool } from '../other/think';
@@ -27,6 +29,8 @@ const CORE_TOOLS: Record<string, any> = {
   queryNodes: queryNodesTool,
   getNodesById: getNodesByIdTool,
   queryEdge: queryEdgeTool,
+  queryDimensions: queryDimensionsTool,
+  getDimension: getDimensionTool,
   searchContentEmbeddings: searchContentEmbeddingsTool,
 };