Improve super admin login ntfy alert with IP, user-agent, and full title

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/app/routers/admin.py

@@ -1,5 +1,5 @@
 import logging
-from fastapi import APIRouter, Depends, HTTPException, status
+from fastapi import APIRouter, Depends, HTTPException, Request, status
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy import select, delete
 
@@ -16,16 +16,18 @@ settings = get_settings()
 
 
 @router.post("/login")
-async def admin_login(body: dict):
+async def admin_login(body: dict, request: Request):
     username = body.get("username", "")
     password = body.get("password", "")
     if username != settings.admin_username or password != settings.admin_password:
         logger.warning("Failed super-admin login attempt for username=%s", username)
         raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid admin credentials")
     token = create_admin_token({"sub": "admin"})
+    ip = request.headers.get("X-Forwarded-For", request.client.host if request.client else "unknown").split(",")[0].strip()
+    ua = request.headers.get("User-Agent", "unknown")
     await notify(
-        title="Super Admin Login",
-        message=f"Admin logged in as: {username}",
+        title="Homeschool Dashboard Super Admin Login",
+        message=f"User: {username}\nIP: {ip}\nUA: {ua}",
         priority="high",
         tags=["key"],
     )