WIP: Large refactor checkpoint

- Refactored daemon client and RPC layer
- Added new client package structure in server
- Removed legacy hooks (use-daemon-request, use-session-rpc, use-websocket)
- Added use-daemon-client hook
- Added e2e test infrastructure with Playwright
- Updated agent providers and session handling
- Removed codex-sdk patches

package-lock.json

@@ -21593,10 +21593,12 @@
         "zustand": "^5.0.9"
       },
       "devDependencies": {
+        "@playwright/test": "^1.56.1",
         "@types/react": "~19.2.0",
         "eas-cli": "^16.24.1",
         "eslint": "^9.25.0",
         "eslint-config-expo": "~10.0.0",
+        "playwright": "^1.56.1",
         "typescript": "~5.9.2",
         "vitest": "^3.2.4"
       }