Preserve ledger venue provenance (#39)

* feat: preserve ledger venue provenance

* fix: satisfy ledger test lint ratchet

* fix: advance image migration inventory

scripts/image_release.py

@@ -25,8 +25,8 @@ COMMIT_RE = re.compile(r"^[0-9a-f]{40}$")
 VERSION_REF_RE = re.compile(r"^refs/tags/v(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$")
 IMAGE_ID_RE = re.compile(r"^sha256:[0-9a-f]{64}$")
 DIGEST_RE = re.compile(r"(?:^|\s)digest:\s*(sha256:[0-9a-f]{64})(?:\s|$)")
-EXPECTED_MIGRATION_COUNT = 31
-EXPECTED_ALEMBIC_HEAD = "20260913_0031"
+EXPECTED_MIGRATION_COUNT = 32
+EXPECTED_ALEMBIC_HEAD = "20260919_0032"
 
 @dataclass(frozen=True)
 class Result: