Fix setup persistence and load persisted runtime configuration

backend/tests/test_routers/test_setup.py

@@ -143,6 +143,28 @@ class TestPostSetup:
         assert response.status_code == 201
 
 
+class TestPostSetupRuntimeState:
+    async def test_updates_runtime_settings_after_setup(
+        self, app_and_client: tuple[object, AsyncClient]
+    ) -> None:
+        """App state should reflect setup settings immediately after setup."""
+        app, client = app_and_client
+        payload = {
+            "master_password": "supersecret123",
+            "database_path": "bangui.db",
+            "fail2ban_socket": "/tmp/persisted.sock",
+            "timezone": "Europe/Berlin",
+            "session_duration_minutes": 90,
+        }
+
+        response = await client.post("/api/setup", json=payload)
+        assert response.status_code == 201
+        assert app.state.settings.database_path == payload["database_path"]
+        assert app.state.settings.fail2ban_socket == payload["fail2ban_socket"]
+        assert app.state.settings.timezone == payload["timezone"]
+        assert app.state.settings.session_duration_minutes == payload["session_duration_minutes"]
+
+
 class TestSetupRedirectMiddleware:
     """Verify that the setup-redirect middleware enforces setup-first."""
 
@@ -316,8 +338,9 @@ class TestLifespanDatabaseDirectoryCreation:
             patch("app.tasks.blocklist_import.register"),
             patch("app.tasks.geo_cache_flush.register"),
             patch("app.tasks.geo_re_resolve.register"),
-            patch("app.main.AsyncIOScheduler", return_value=mock_scheduler),
-            patch("app.main.ensure_jail_configs"),
+            patch("app.tasks.history_sync.register"),
+            patch("app.startup.AsyncIOScheduler", return_value=mock_scheduler),
+            patch("app.startup.ensure_jail_configs"),
         ):
             async with _lifespan(app):
                 assert nested_db.parent.exists(), (
@@ -359,8 +382,9 @@ class TestLifespanDatabaseDirectoryCreation:
             patch("app.tasks.blocklist_import.register"),
             patch("app.tasks.geo_cache_flush.register"),
             patch("app.tasks.geo_re_resolve.register"),
-            patch("app.main.AsyncIOScheduler", return_value=mock_scheduler),
-            patch("app.main.ensure_jail_configs"),
+            patch("app.tasks.history_sync.register"),
+            patch("app.startup.AsyncIOScheduler", return_value=mock_scheduler),
+            patch("app.startup.ensure_jail_configs"),
         ):
             # Should not raise FileExistsError or similar.
             async with _lifespan(app):
@@ -409,8 +433,9 @@ class TestLifespanSetupCache:
             patch("app.tasks.blocklist_import.register"),
             patch("app.tasks.geo_cache_flush.register"),
             patch("app.tasks.geo_re_resolve.register"),
-            patch("app.main.AsyncIOScheduler", return_value=mock_scheduler),
-            patch("app.main.ensure_jail_configs"),
+            patch("app.tasks.history_sync.register"),
+            patch("app.startup.AsyncIOScheduler", return_value=mock_scheduler),
+            patch("app.startup.ensure_jail_configs"),
         ):
             async with _lifespan(app):
                 assert app.state.setup_complete_cached is True