serve swagger ui at root

app.py

@@ -13,10 +13,9 @@ logger = logging.getLogger(__name__)
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
-    """Lifespan handler — retriever initialises lazily on the first request."""
-    logger.info("=== FAQ RAG Chatbot starting up ===")
+    logger.info("FAQ RAG Chatbot starting up")
     yield
-    logger.info("=== FAQ RAG Chatbot shutting down ===")
+    logger.info("FAQ RAG Chatbot shutting down")
 
 
 app = FastAPI(
@@ -24,30 +23,24 @@ app = FastAPI(
     version="1.0.0",
     description="RAG-based chatbot for samagama internship portal - CSFAQ Project",
     openapi_url="/openapi.json",
+    docs_url="/",
     lifespan=lifespan,
 )
 
 
 class ChatRequest(BaseModel):
-    question: str = Field(..., min_length=1, description="User question to answer from FAQ context")
-
+    question: str = Field(..., min_length=1, description="User Query..")
 
 class ChatResponse(BaseModel):
     question: str
     answer: str
     sources: list[str] = Field(default_factory=list)
 
-
 @app.get("/health")
 async def health() -> dict[str, str]:
     return {"status": "ok"}
 
 
-@app.get("/", include_in_schema=False)
-async def root() -> dict[str, str]:
-    return {"status": "ready", "message": "FAQ RAG Chatbot is running"}
-
-
 @app.post("/chat", response_model=ChatResponse)
 async def chat(payload: ChatRequest) -> ChatResponse:
     question = payload.question.strip()