Use explicit AppState dependency in config router and update task status

backend/app/dependencies.py

@@ -6,12 +6,15 @@ Routers import directly from this module — never from ``app.state``
 directly — to keep coupling explicit and testable.
 """
 
+import datetime
 import time
 from collections.abc import AsyncGenerator
 from typing import Annotated, Protocol, cast
 
+import aiohttp
 import aiosqlite
 import structlog
+from apscheduler.schedulers.asyncio import AsyncIOScheduler  # type: ignore[import-untyped]
 from fastapi import Depends, HTTPException, Request, status
 
 from app.config import Settings
@@ -20,9 +23,6 @@ from app.models.config import PendingRecovery
 from app.models.server import ServerStatus
 from app.utils.time_utils import utc_now
 
-import aiohttp
-from apscheduler.schedulers.asyncio import AsyncIOScheduler  # type: ignore[import-untyped]
-
 log: structlog.stdlib.BoundLogger = structlog.get_logger()
 
 
@@ -32,6 +32,9 @@ class AppState(Protocol):
     settings: Settings
     http_session: aiohttp.ClientSession
     scheduler: AsyncIOScheduler
+    server_status: ServerStatus
+    pending_recovery: PendingRecovery | None
+    last_activation: dict[str, datetime.datetime] | None
 
 
 _COOKIE_NAME = "bangui_session"
@@ -173,6 +176,11 @@ async def get_fail2ban_start_command(settings: Settings = Depends(get_settings))
     """Provide the configured fail2ban start command."""
     return settings.fail2ban_start_command
 
+async def get_app_state(request: Request) -> AppState:
+    """Provide the application state object for the current request."""
+    return cast("AppState", request.app.state)
+
+
 async def get_server_status(request: Request) -> ServerStatus:
     """Return the cached fail2ban server status snapshot from app state."""
     state = cast("AppState", request.app.state)
@@ -255,4 +263,5 @@ Fail2BanConfigDirDep = Annotated[str, Depends(get_fail2ban_config_dir)]
 Fail2BanStartCommandDep = Annotated[str, Depends(get_fail2ban_start_command)]
 ServerStatusDep = Annotated[ServerStatus, Depends(get_server_status)]
 PendingRecoveryDep = Annotated[PendingRecovery | None, Depends(get_pending_recovery)]
+AppStateDep = Annotated[AppState, Depends(get_app_state)]
 AuthDep = Annotated[Session, Depends(require_auth)]