Fix startup and Gemini provider handling

routers/auth.py

@@ -45,7 +45,7 @@ def require_admin(request: Request):
 
 @router.get("/login", response_class=HTMLResponse)
 async def login_get(request: Request):
-    return templates.TemplateResponse(request=request, name="login.html", context={"error": None})
+    return templates.TemplateResponse("login.html", {"request": request, "error": None})
 
 @router.post("/login", response_class=HTMLResponse)
 async def login_post(request: Request, username: str = Form(...), password: str = Form(...)):
@@ -54,9 +54,8 @@ async def login_post(request: Request, username: str = Form(...), password: str
 
     if is_login_blocked(username, ip):
         return templates.TemplateResponse(
-            request=request,
-            name="login.html",
-            context={"error": "تم حجب محاولات تسجيل الدخول مؤقتاً. حاول بعد 15 دقيقة."},
+            "login.html",
+            {"request": request, "error": "تم حجب محاولات تسجيل الدخول مؤقتاً. حاول بعد 15 دقيقة."},
             status_code=429,
         )
 
@@ -64,9 +63,8 @@ async def login_post(request: Request, username: str = Form(...), password: str
     if not user or not verify_password(user["password_hash"], password):
         record_login_attempt(username, ip, success=False)
         return templates.TemplateResponse(
-            request=request,
-            name="login.html",
-            context={"error": "Invalid username or password"},
+            "login.html",
+            {"request": request, "error": "Invalid username or password"},
             status_code=401,
         )
 
@@ -109,9 +107,8 @@ async def logout(request: Request):
 async def users_list(request: Request, current=Depends(require_admin)):
     users = get_all_users()
     return templates.TemplateResponse(
-        request=request,
-        name="users.html",
-        context={"users": users, "current_user": current},
+        "users.html",
+        {"request": request, "users": users, "current_user": current},
     )
 
 @router.post("/users/create")
@@ -128,16 +125,14 @@ async def add_user(
     if len(password) < 8:
         users = get_all_users()
         return templates.TemplateResponse(
-            request=request,
-            name="users.html",
-            context={"users": users, "current_user": current, "error": "Password must be at least 8 characters."},
+            "users.html",
+            {"request": request, "users": users, "current_user": current, "error": "Password must be at least 8 characters."},
         )
     if get_user_by_username(username):
         users = get_all_users()
         return templates.TemplateResponse(
-            request=request,
-            name="users.html",
-            context={"users": users, "current_user": current, "error": f"User '{username}' already exists."},
+            "users.html",
+            {"request": request, "users": users, "current_user": current, "error": f"User '{username}' already exists."},
         )
     create_user(username, password, role=role)
     return RedirectResponse(url="/auth/users", status_code=status.HTTP_303_SEE_OTHER)
@@ -147,9 +142,8 @@ async def remove_user(request: Request, user_id: int, current=Depends(require_ad
     if user_id == current["user_id"]:
         users = get_all_users()
         return templates.TemplateResponse(
-            request=request,
-            name="users.html",
-            context={"users": users, "current_user": current, "error": "لا يمكنك حذف حسابك الخاص."},
+            "users.html",
+            {"request": request, "users": users, "current_user": current, "error": "لا يمكنك حذف حسابك الخاص."},
             status_code=400,
         )
     # Prevent removing the last admin
@@ -157,9 +151,8 @@ async def remove_user(request: Request, user_id: int, current=Depends(require_ad
     if target and target["role"] == "admin" and count_admins() <= 1:
         users = get_all_users()
         return templates.TemplateResponse(
-            request=request,
-            name="users.html",
-            context={"users": users, "current_user": current, "error": "لا يمكن حذف آخر مسؤول في النظام."},
+            "users.html",
+            {"request": request, "users": users, "current_user": current, "error": "لا يمكن حذف آخر مسؤول في النظام."},
             status_code=400,
         )
     delete_user(user_id)
@@ -180,9 +173,8 @@ async def change_role(
     if target and target["role"] == "admin" and role != "admin" and count_admins() <= 1:
         users = get_all_users()
         return templates.TemplateResponse(
-            request=request,
-            name="users.html",
-            context={"users": users, "current_user": current, "error": "لا يمكن تخفيض رتبة آخر مسؤول."},
+            "users.html",
+            {"request": request, "users": users, "current_user": current, "error": "لا يمكن تخفيض رتبة آخر مسؤول."},
             status_code=400,
         )
     set_user_role(user_id, role)
@@ -196,9 +188,9 @@ async def backup_db(request: Request, current=Depends(require_admin)):
     except Exception as e:
         msg = f"Backup failed: {str(e)}"
         return templates.TemplateResponse(
-            request=request,
-            name="users.html",
-            context={
+            "users.html",
+            {
+                "request": request,
                 "users": get_all_users(),
                 "current_user": current,
                 "backup_msg": msg,