feat(tasks): add scheduled batch processing infrastructure (model, migration, tasks, API, view, template)

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

app/views/scheduled_jobs.py

@@ -0,0 +1,44 @@
+"""Admin view: scheduled batch processing jobs management page."""
+
+import logging
+
+from fastapi import HTTPException, Request, status
+from fastapi.responses import RedirectResponse
+
+from app.views.base import APIRouter, require_login, settings, templates
+
+logger = logging.getLogger(__name__)
+router = APIRouter()
+
+
+def _require_admin(request: Request):
+    """Return the session user if they are an admin, else None."""
+    user = request.session.get("user")
+    if not user or not user.get("is_admin"):
+        logger.warning("Non-admin user attempted to access /admin/scheduled-jobs")
+        return None
+    return user
+
+
+@router.get("/admin/scheduled-jobs")
+@require_login
+async def scheduled_jobs_page(request: Request):
+    """Admin scheduled jobs management page."""
+    user = _require_admin(request)
+    if user is None:
+        return RedirectResponse(url="/", status_code=status.HTTP_302_FOUND)
+
+    try:
+        return templates.TemplateResponse(
+            "admin_scheduled_jobs.html",
+            {
+                "request": request,
+                "app_version": settings.version,
+            },
+        )
+    except Exception as e:
+        logger.error(f"Error loading scheduled jobs page: {e}")
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail="Failed to load scheduled jobs page",
+        )