test: final 6 agents — 172+ translate tests, llm_analysis 89%, git_plugin 100%, migration/deps/routes polished. 85-94% files pushed to 95%+. Bulk: backup/debug/maintenance plugins

backend/tests/test_app_middleware.py

@@ -190,4 +190,29 @@ class TestRouterRegistration:
         assert "/api/git" in routes or "/api/mappings" in routes
         assert "/ws/logs/" in routes
         assert "/ws/task-events" in routes
+
+
+class TestAlembicMigrations:
+    """run_alembic_migrations — test happy path and error path."""
+
+    def test_run_alembic_migrations_success(self):
+        """Alembic migrations apply successfully (lines 205-213)."""
+        from src.app import run_alembic_migrations
+        with patch("alembic.command.upgrade") as mock_upgrade, \
+             patch("alembic.config.Config") as mock_cfg_cls:
+            mock_cfg = MagicMock()
+            mock_cfg_cls.return_value = mock_cfg
+            run_alembic_migrations()
+            mock_upgrade.assert_called_once_with(mock_cfg, "head")
+
+    def test_run_alembic_migrations_failure(self):
+        """Alembic migration failure raises (lines 214-219)."""
+        from src.app import run_alembic_migrations
+        with patch("alembic.command.upgrade", side_effect=Exception("Migration failed")) as mock_upgrade, \
+             patch("alembic.config.Config") as mock_cfg_cls:
+            mock_cfg = MagicMock()
+            mock_cfg_cls.return_value = mock_cfg
+            with pytest.raises(Exception, match="Migration failed"):
+                run_alembic_migrations()
+            mock_upgrade.assert_called_once_with(mock_cfg, "head")
 # #endregion Test.AppModule.Middleware