Switch dashboard/map/history views to archive source for long-term data

Update fail2ban dbpurgeage to 648000 and history sync backfill/pagination for archive-based 7.5 day history.

backend/tests/test_tasks/test_history_sync.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from unittest.mock import MagicMock
+from unittest.mock import AsyncMock, MagicMock, patch
 
 from app.tasks import history_sync
 
@@ -27,3 +27,33 @@ class TestHistorySyncTask:
         called_args, called_kwargs = fake_scheduler.add_job.call_args
         assert called_kwargs["id"] == history_sync.JOB_ID
         assert called_kwargs["kwargs"]["app"] == app
+
+    async def test_backfill_window_is_7_5_days(self) -> None:
+        assert history_sync.BACKFILL_WINDOW == 648000
+
+    async def test_sync_uses_strict_since_after_restart(self) -> None:
+        fake_app = type("FakeApp", (), {})()
+        fake_app.state = type("FakeState", (), {})()
+        fake_app.state.settings = type("FakeSettings", (), {})()
+        fake_app.state.settings.fail2ban_socket = "/tmp/fake.sock"
+
+        fake_app.state.db = MagicMock()
+
+        async def fake_get_history_page(*, db_path: str, since: int, page: int, page_size: int, **kwargs):
+            assert since == 1001
+            return [], 0
+
+        async def fake_get_fail2ban_db_path(socket_path: str) -> str:
+            return "/tmp/fake.sqlite3"
+
+        with patch(
+            "app.tasks.history_sync._get_last_archive_ts",
+            new=AsyncMock(return_value=1000),
+        ), patch(
+            "app.tasks.history_sync.get_fail2ban_db_path",
+            new=fake_get_fail2ban_db_path,
+        ), patch(
+            "app.tasks.history_sync.fail2ban_db_repo.get_history_page",
+            new=fake_get_history_page,
+        ):
+            await history_sync._run_sync(fake_app)