Add opt-in monthly email recaps with scheduling and delivery history

backend/app/main.py

@@ -29,8 +29,10 @@ from .routers.portal import router as portal_router
 from .routers.operations import router as operations_router
 from .routers.insights import router as insights_router
 from .routers.identities import router as identities_router
+from .routers.recaps import router as recaps_router
 from .services.jellyfin_sync import run_daily_jellyfin_sync
 from .services.issue_resolution import run_issue_confirmation_loop
+from .services.email_recaps import run_email_recap_loop
 from .services.operation_progress import (
     begin_operation,
     finish_operation,
@@ -267,6 +269,7 @@ async def startup() -> None:
     _launch_background_task("requests-full-sync", run_daily_requests_full_sync)
     _launch_background_task("db-cleanup", run_daily_db_cleanup)
     _launch_background_task("issue-confirmation", run_issue_confirmation_loop)
+    _launch_background_task("email-recaps", run_email_recap_loop)
     logger.info("startup complete")
 
 
@@ -284,3 +287,4 @@ app.include_router(portal_router)
 app.include_router(operations_router)
 app.include_router(insights_router)
 app.include_router(identities_router)
+app.include_router(recaps_router)