feat: implement institutional governance and recovery architecture

tools/release/govoplan_release/git_state.py

@@ -9,6 +9,7 @@ import re
 import subprocess
 import tomllib
 
+from .contracts import parse_manifest_contract
 from .model import RepositorySnapshot, RepositorySpec, VersionSnapshot
 from .workspace import resolve_repo_path
 
@@ -130,12 +131,9 @@ def read_manifest_versions(path: Path) -> tuple[str, ...]:
         return ()
     versions: list[str] = []
     for manifest in sorted(src.glob("**/backend/manifest.py")):
-        text = manifest.read_text(encoding="utf-8")
-        match = re.search(r'(?m)^\s*version\s*=\s*["\']([^"\']+)["\']', text)
-        if match is None:
-            match = re.search(r'(?m)^MODULE_VERSION\s*=\s*["\']([^"\']+)["\']', text)
-        if match is not None:
-            versions.append(match.group(1))
+        contract = parse_manifest_contract(manifest, repo_name=path.name)
+        if contract is not None and contract.module_version is not None:
+            versions.append(contract.module_version)
     return tuple(versions)