Add __init__ module hints, TODO, rm unused import, fix router import, authentication router stub

backend/linkpulse/app.py

@@ -45,7 +45,7 @@ async def lifespan(_: FastAPI) -> AsyncIterator[None]:
         db.close()
 
 
-from routers import authentication
+from linkpulse.routers import authentication
 
 app = FastAPI(lifespan=lifespan, default_response_class=ORJSONResponse)
 app.include_router(authentication.router)
@@ -74,6 +74,7 @@ app.add_middleware(CorrelationIdMiddleware)
 
 @app.get("/health")
 async def health():
+    # TODO: Check database connection
     return "OK"
 
 

backend/linkpulse/models.py

@@ -3,7 +3,6 @@ This module defines the database models for the LinkPulse backend.
 It also provides a base model with database connection details.
 """
 
-from datetime import datetime
 from os import getenv
 
 import structlog

backend/linkpulse/routers/authentication.py

@@ -0,0 +1,6 @@
+from typing import Tuple, Optional
+
+from fastapi import APIRouter
+from linkpulse.models import User, Session
+
+router = APIRouter()