Complete Task 11 by moving history_archive_repo import to history_sync top-level

Docs/Tasks.md

@@ -317,6 +317,8 @@ Deferred function-body imports hide module-level code dependencies, break standa
 
 ### Task 11 — Replace history_sync.py deferred import inside loop
 
+**Status:** Completed
+
 **Severity:** Medium
 
 **Where:**

backend/app/tasks/history_sync.py

@@ -9,20 +9,20 @@ from __future__ import annotations
 import datetime
 from typing import TYPE_CHECKING
 
-if TYPE_CHECKING:
-    import aiosqlite
-    from app.config import Settings
-
 import structlog
 
 from app.db import open_db
 from app.repositories import fail2ban_db_repo
+from app.repositories.history_archive_repo import archive_ban_event
 from app.utils.fail2ban_db_utils import get_fail2ban_db_path
 from app.utils.runtime_state import get_effective_settings
 
-if TYPE_CHECKING:  # pragma: no cover
+if TYPE_CHECKING:
+    import aiosqlite
     from fastapi import FastAPI
 
+    from app.config import Settings
+
 log: structlog.stdlib.BoundLogger = structlog.get_logger()
 
 #: Stable APScheduler job id.
@@ -35,7 +35,7 @@ HISTORY_SYNC_INTERVAL: int = 300
 BACKFILL_WINDOW: int = 648000
 
 
-async def _get_db(settings: "Settings") -> tuple[aiosqlite.Connection, bool]:
+async def _get_db(settings: Settings) -> tuple[aiosqlite.Connection, bool]:
     db = await open_db(settings.database_path)
     return db, True
 
@@ -48,7 +48,7 @@ async def _get_last_archive_ts(db) -> int | None:
     return int(row[0])
 
 
-async def _run_sync_with_settings(settings: "Settings") -> None:
+async def _run_sync_with_settings(settings: Settings) -> None:
     socket_path: str = settings.fail2ban_socket
     db, close_db = await _get_db(settings)
 
@@ -76,8 +76,6 @@ async def _run_sync_with_settings(settings: "Settings") -> None:
             if not rows:
                 break
 
-            from app.repositories.history_archive_repo import archive_ban_event
-
             for row in rows:
                 await archive_ban_event(
                     db=db,