Bind migration heads to coordinated releases

docs/PACKAGE_REGISTRY_RELEASES.md

@@ -59,6 +59,11 @@ Core next, and the meta tag last. This is a dependency guarantee for a
 single-capacity Actions runner: the developer package cannot run before its
 exact Core and module versions have entered the queue.
 
+The same release entry point records the reviewed current Alembic heads under
+the target release version and reruns the strict migration audit before it
+changes package versions, commits, or tags. A failed baseline check therefore
+cannot produce a protected package release.
+
 It builds one wheel and, where applicable, one npm tarball. The workflow records
 the source tag, source commit, filename, size, and SHA-256 in
 `package-artifacts.json` before publishing. Gitea rejects a second upload of the

tests/test_release_entrypoint_gates.py

@@ -29,11 +29,13 @@ class ReleaseEntrypointGateTests(unittest.TestCase):
         workflow = script[confirm:]
 
         source_gate = workflow.index("run_version_alignment_gate source")
+        baseline = workflow.index("record_migration_release_baseline")
         first_commit = workflow.index('run git -C "$repo" commit')
         lock_generation = workflow.index("generate_release_lock")
         full_gate = workflow.index("run_version_alignment_gate", source_gate + 1)
         first_push = workflow.index('run git -C "$repo" push')
 
+        self.assertLess(baseline, source_gate)
         self.assertLess(source_gate, first_commit)
         self.assertLess(first_commit, lock_generation)
         self.assertLess(lock_generation, full_gate)

tools/release/push-release-tag.sh

@@ -546,6 +546,18 @@ run_migration_release_audit() {
   run "${command[@]}"
 }
 
+record_migration_release_baseline() {
+  local audit_script="$META_ROOT/tools/release/release-migration-audit.py"
+
+  [[ -f "$audit_script" ]] || fail "missing migration audit helper: $audit_script"
+  run "$PYTHON" "$audit_script" \
+    --track release \
+    --record-release "$TARGET_VERSION"
+  if [[ "$DRY_RUN" -eq 0 ]]; then
+    "$PYTHON" "$audit_script" --track release --strict
+  fi
+}
+
 print_command() {
   printf '+'
   printf ' %q' "$@"
@@ -872,6 +884,8 @@ run_manifest_shape_gate
 
 confirm_release
 
+record_migration_release_baseline
+
 for repo in "${PACKAGE_REPOS[@]}"; do
   if [[ "$DRY_RUN" -eq 1 ]]; then
     echo "Would update version files in $repo to $TARGET_VERSION"