chore: mini-openclaw 初始版本

Next.js 前端 + FastAPI/LangChain 后端透明 agent平台
- 含 .gitignore, 敏感文件(sessions数据/.env/venv等)已排除
- 待后续添加 trajectory 自进化机制

backend/api/config_api.py

@@ -0,0 +1,23 @@
+"""GET/PUT /api/config/rag-mode — RAG mode toggle API."""
+
+from fastapi import APIRouter
+from pydantic import BaseModel
+
+from config import get_rag_mode, set_rag_mode
+
+router = APIRouter()
+
+
+class RagModeRequest(BaseModel):
+    enabled: bool
+
+
+@router.get("/config/rag-mode")
+async def get_rag_mode_endpoint():
+    return {"rag_mode": get_rag_mode()}
+
+
+@router.put("/config/rag-mode")
+async def set_rag_mode_endpoint(request: RagModeRequest):
+    set_rag_mode(request.enabled)
+    return {"rag_mode": request.enabled}