fix(cli): resolve devtools build issues and update third-party notices

packages/cli/package.json

@@ -31,6 +31,7 @@
   "dependencies": {
     "@agentclientprotocol/sdk": "^0.12.0",
     "@google/gemini-cli-core": "file:../core",
+    "@google/gemini-cli-devtools": "file:../devtools",
     "@google/genai": "1.30.0",
     "@iarna/toml": "^2.2.5",
     "@modelcontextprotocol/sdk": "^1.23.0",
@@ -81,6 +82,7 @@
     "@types/ws": "^8.5.10",
     "@types/yargs": "^17.0.32",
     "@xterm/headless": "^5.5.0",
+    "ink-testing-library": "^4.0.0",
     "typescript": "^5.3.3",
     "vitest": "^3.1.1"
   },