feat: App Config slide-in with Route column, clickable taps, and edit toolbar

- Add Route column to Traces & Taps table (diagram-based mapping, pending backend fix)
- Make tap badges clickable to navigate to route's Taps tab
- Add edit/save/cancel toolbar with design system Button components
- Move Sampling Rate to last position in settings grid
- Support ?tab= URL param on RouteDetail for direct tab navigation
- Bump @cameleer/design-system to 0.1.15 (DetailPanel overlay + backdrop)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ui/package.json

@@ -14,7 +14,7 @@
     "generate-api:live": "curl -s http://localhost:8081/api/v1/api-docs -o src/api/openapi.json && openapi-typescript src/api/openapi.json -o src/api/schema.d.ts"
   },
   "dependencies": {
-    "@cameleer/design-system": "^0.1.14",
+    "@cameleer/design-system": "^0.1.15",
     "@tanstack/react-query": "^5.90.21",
     "openapi-fetch": "^0.17.0",
     "react": "^19.2.4",