fix(release): validate independent module versions

tools/checks/check-release-integration.sh

@@ -32,9 +32,8 @@ with (Path.cwd() / "pyproject.toml").open("rb") as handle:
     print(tomllib.load(handle)["project"]["version"])
 PY
 )"
-RELEASE_TAG="${GOVOPLAN_RELEASE_TAG:-v$RELEASE_VERSION}"
 
-export RELEASE_TAG RELEASE_VERSION
+export RELEASE_VERSION
 export META_ROOT
 export GOVOPLAN_CORE_SOURCE_ROOT="$ROOT"
 export GOVOPLAN_MIGRATION_TRACK=release
@@ -91,6 +90,30 @@ install_cloned_webui_dependencies() {
   )
 }
 
+release_tag_for_package() {
+  local package_name="$1"
+  "$PYTHON" - "$META_ROOT/requirements-release.txt" "$package_name" <<'PY'
+from __future__ import annotations
+
+from pathlib import Path
+import re
+import sys
+
+
+requirements_path = Path(sys.argv[1])
+package_name = sys.argv[2]
+pattern = re.compile(
+    rf"^{re.escape(package_name)}\s+@\s+git\+ssh://.+?\.git@(v[0-9]+\.[0-9]+\.[0-9]+)$"
+)
+for line in requirements_path.read_text(encoding="utf-8").splitlines():
+    match = pattern.match(line.strip())
+    if match:
+        print(match.group(1))
+        raise SystemExit(0)
+raise SystemExit(f"No immutable release reference found for {package_name}")
+PY
+}
+
 run_step "Validate release refs and installed package metadata"
 "$PYTHON" "$META_ROOT/tools/checks/check-version-alignment.py" --release-composition
 "$PYTHON" "$META_ROOT/tools/checks/check-contracts.py" --no-impact
@@ -109,7 +132,6 @@ root = Path.cwd()
 release_requirements = Path(os.environ["META_ROOT"]) / "requirements-release.txt"
 release_webui = root / "webui" / "package.release.json"
 expected_version = os.environ["RELEASE_VERSION"]
-expected_tag = os.environ["RELEASE_TAG"]
 errors: list[str] = []
 
 python_requirements: list[tuple[str, str, str]] = []
@@ -122,8 +144,6 @@ if not python_requirements:
     errors.append("No GovOPlaN git+ssh release requirements found.")
 
 for package_name, repo_url, tag in python_requirements:
-    if tag != expected_tag:
-        errors.append(f"{package_name} release requirement uses {tag!r}, expected {expected_tag!r}.")
     version = metadata.version(package_name)
     if version != tag.removeprefix("v"):
         errors.append(f"{package_name} installed version {version!r} does not match {tag!r}.")
@@ -147,15 +167,18 @@ for package_name, spec in sorted(webui_dependencies.items()):
     if not package_name.startswith("@govoplan/"):
         continue
     tag = spec.rsplit("#", 1)[-1] if "#" in spec else ""
-    if tag != expected_tag:
-        errors.append(f"{package_name} release dependency uses {tag!r}, expected {expected_tag}.")
+    tag_match = re.fullmatch(r"v([0-9]+\.[0-9]+\.[0-9]+)", tag)
+    if tag_match is None:
+        errors.append(f"{package_name} release dependency has invalid immutable tag {tag!r}.")
+        continue
+    dependency_version = tag_match.group(1)
     package_json = root / "webui" / "node_modules" / package_name / "package.json"
     if not package_json.exists():
         errors.append(f"{package_name} is missing from release node_modules.")
         continue
     installed = json.loads(package_json.read_text(encoding="utf-8"))
-    if installed.get("version") != expected_version:
-        errors.append(f"{package_name} installed version {installed.get('version')!r}, expected {expected_version!r}.")
+    if installed.get("version") != dependency_version:
+        errors.append(f"{package_name} installed version {installed.get('version')!r}, expected {dependency_version!r} from {tag!r}.")
 
 shared_peers = ("lucide-react", "react", "react-dom", "react-router-dom")
 root_peers = release_package.get("peerDependencies", {})
@@ -252,7 +275,8 @@ PY
 
 run_step "Clone release module test sources"
 for repo in govoplan-mail govoplan-calendar govoplan-campaign; do
-  git clone --depth 1 --branch "$RELEASE_TAG" "git@git.add-ideas.de:add-ideas/${repo}.git" "$WORK_ROOT/$repo"
+  repo_tag="$(release_tag_for_package "$repo")"
+  git clone --depth 1 --branch "$repo_tag" "git@git.add-ideas.de:add-ideas/${repo}.git" "$WORK_ROOT/$repo"
 done
 
 run_step "Run core backend release tests"