Create a commit from the staged changes using the configured git identity. Return the new commit SHA.

@@ -14,3 +10,2 @@
 
-@tdd_issue @tdd_issue_1022 @mock_only
-Feature: TDD Issue #1022 — InvariantService invariants lost across process restarts
+@tdd_issue_1022 @mock_only

@@ -729,6 +729,7 @@ class Container(containers.DeclarativeContainer):
     # Invariant Service - Singleton (in-memory invariant management)
     invariant_service = providers.Singleton(
         InvariantService,
+        database_url=database_url,

@@ -63,0 +101,4 @@
+            # SQLAlchemy 2.x compatible – use the engine's sessionmaker_class
+            try:
+                # SQLAlchemy >= 2.0
+                from sqlalchemy.orm import sessionmaker

@@ -63,0 +117,4 @@
+                    autoflush=False,
+                    autocommit=False,
+                )
+        return self._session_factory  # type: ignore[return-value]

@@ -100,0 +184,4 @@
+
+                model = InvariantModel.from_domain(invariant)
+                session.add(model)
+                session.flush()

@@ -258,3 +422,3 @@
                     )
                 except Exception:
-                    self._logger.warning(
+                    self._logger.warning(  # type: ignore[attr-defined]

@@ -0,0 +44,4 @@
+        self._session_factory = session_factory
+
+    @database_retry
+    def create(self, invariant: "Invariant") -> None:

@@ -0,0 +52,4 @@
+        try:
+            model = InvariantModel.from_domain(invariant)
+            session.add(model)
+            session.flush()

@@ -0,0 +18,4 @@
+
+# revision identifiers, used by Alembic.
+revision: str = "m11_001_standalone_invariants"
+down_revision: str | None = "m9_003_plan_result_success_column"

@@ -37,6 +38,7 @@ import json
 import logging
 import re
 from datetime import UTC, datetime
+from ulid import ULID

@@ -729,6 +729,7 @@ class Container(containers.DeclarativeContainer):
     # Invariant Service - Singleton (in-memory invariant management)
     invariant_service = providers.Singleton(

@@ -166,0 +319,4 @@
+
+        if self._database_url is not None and self._session_factory is not None:
+            session = self._session_factory()
+            try:

@@ -166,0 +324,4 @@
+
+                row = session.query(InvariantModel).get(invariant_id)
+                if row is not None:
+                    inv = row.to_domain()

@@ -286,3 +450,3 @@
                     )
                 except Exception:
-                    self._logger.warning(
+                    self._logger.warning(  # type: ignore[attr-defined]

@@ -0,0 +17,4 @@
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision: str = "m11_001_standalone_invariants"

@@ -37,6 +38,7 @@ import json
 import logging
 import re
 from datetime import UTC, datetime
+from ulid import ULID