feat: implement daily Telegram sysadmin report

backend/app.py

@@ -34,12 +34,13 @@ from routers import (
     models,
     routing,
     system,
+    sysadmin,
     voice,
     wissen,
     zeitmaschine,
 )
 from routers import reminders as reminders_router
-from services import ketten_digest, metrics_history, reminders, sentry, warmer
+from services import ketten_digest, metrics_history, reminders, sentry, warmer, sysadmin_report
 from starlette.requests import Request
 
 # Zentrales Logging — Level via MC_LOG_LEVEL (INFO default). Eine Konfiguration
@@ -65,6 +66,8 @@ async def lifespan(app: FastAPI) -> AsyncGenerator[None, None]:
     if sentry.ENABLED:
         tasks.append(asyncio.create_task(sentry.sentry_loop()))
     tasks.append(asyncio.create_task(reminders.reminders_loop()))
+    # Einmal am Tag (08:00) Telegram Report als Sysadmin
+    tasks.append(asyncio.create_task(sysadmin_report.report_loop()))
     if ketten_digest.ENABLED:
         # Werkstatt-Status aufs Handy: Fragen sofort, Meilensteine sofort, sonst 60-min-Puls.
         tasks.append(asyncio.create_task(ketten_digest.digest_loop()))
@@ -109,6 +112,7 @@ app.include_router(health.router)
 app.include_router(models.router)
 app.include_router(routing.router)
 app.include_router(system.router)
+app.include_router(sysadmin.router)
 app.include_router(connect.router)
 app.include_router(agent.router)
 app.include_router(