feat: AI聊天室多Agent协作讨论平台

- 实现Agent管理，支持AI辅助生成系统提示词
- 支持多个AI提供商（OpenRouter、智谱、MiniMax等）
- 实现聊天室和讨论引擎
- WebSocket实时消息推送
- 前端使用React + Ant Design
- 后端使用FastAPI + MongoDB

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/settings.local.json

@@ -0,0 +1,26 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(powershell:*)",
+      "Bash(where:*)",
+      "Bash(docker:*)",
+      "Bash(docker-compose:*)",
+      "Bash(npm --version)",
+      "Bash(mongosh:*)",
+      "Bash(mongo:*)",
+      "mcp__web-search-prime__webSearchPrime",
+      "Bash(python:*)",
+      "Bash(set HTTP_PROXY=)",
+      "Bash(set HTTPS_PROXY=)",
+      "Bash(export:*)",
+      "Bash(export HTTPS_PROXY=\"\")",
+      "Bash(curl:*)",
+      "Bash(taskkill:*)",
+      "Bash(cmd.exe /c \"tasklist | findstr /i \"\"28876 53736 52620 24000 52468 18560 37980 51192 python\"\"\")",
+      "Bash(cmd.exe:*)",
+      "Bash(git init:*)",
+      "Bash(git config:*)",
+      "Bash(git add:*)"
+    ]
+  }
+}