refactor: upgrade claude-code-acp to v0.8.3 and optimize agent initialization flow

packages/server/package.json

@@ -18,7 +18,7 @@
   "dependencies": {
     "@agentclientprotocol/sdk": "^0.4.9",
     "@ai-sdk/openai": "^2.0.52",
-    "@boudra/claude-code-acp": "^0.8.2",
+    "@boudra/claude-code-acp": "^0.8.3",
     "@deepgram/sdk": "^3.4.0",
     "@modelcontextprotocol/sdk": "^1.20.1",
     "@openrouter/ai-sdk-provider": "^1.2.0",