QTZPOC-20

QTZPOC-20: Implement explicit joblib model flavor and enhance model import workflow with extensive E2E tests.

This commit introduces a first-class joblib model flavor for direct loading and saving of Python pickle artifacts, including custom code within the artifact's code/ directory, bypassing MLflow's flavor loaders. The model import workflow's status database configuration is now streamlined to default to the POSTGRES_* server, with explicit IMPORT_STATUS_DB_* overrides.

Comprehensive end-to-end tests have been added for the model import workflow, covering success paths, gate rejections, digest enforcement, provisioning failures, status record integrity, cleanup, and retry/recovery scenarios using a real-clock environment. New E2

pyproject.toml

@@ -133,6 +133,17 @@ addopts = [
     # GC'd. Harmless mock artifacts turned into a hard ERROR by the plugin itself.
     "-p", "no:unraisableexception",
 ]
+filterwarnings = [
+    # `kafka-python`, pulled in transitively by `sientia_do`, reads its protocol schemas through the
+    # legacy `importlib.resources` API that Python 3.11 deprecated. It emits ~109 warnings per run,
+    # twice each (once at the call site, once inside `importlib`), which is enough noise to bury a
+    # warning worth reading. Nothing here can fix it — the change belongs in `kafka-python`.
+    #
+    # Matched on the message rather than by module so the filter cannot quietly swallow an unrelated
+    # deprecation: any *other* DeprecationWarning, including one from our own code, still shows up.
+    "ignore:read_text is deprecated:DeprecationWarning",
+    "ignore:open_text is deprecated:DeprecationWarning",
+]
 markers = [
     "asyncio: marks tests as async",
     "integration: marks tests as integration tests",