feat(ui): redesign cliproxy page with master-detail layout

- Replace tab-based layout with sidebar + detail panel pattern
- Add provider navigation in left sidebar with quick actions
- Implement provider detail panel with model preferences and accounts
- Add Config Editor and Logs quick access in sidebar
- Fix naming consistency: Clipproxy → Cliproxy (single p) across 8 files
- Fix TypeScript errors for models and stats data shapes

ui/package.json

@@ -40,11 +40,14 @@
     "react-day-picker": "^9.12.0",
     "react-dom": "^19.2.0",
     "react-hook-form": "^7.68.0",
+    "react-resizable-panels": "^3.0.6",
     "react-router-dom": "^7.10.1",
     "react-simple-code-editor": "^0.14.1",
+    "react-virtuoso": "^4.17.0",
     "recharts": "^2.12.0",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.4.0",
+    "yaml": "^2.8.2",
     "zod": "^4.1.13"
   },
   "devDependencies": {