fix(release): separate repair control from source

.github/workflows/release.yml

@@ -72,6 +72,7 @@ jobs:
         uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
         with:
           ref: ${{ steps.source.outputs.source_sha }}
+          path: .release-source
           persist-credentials: false
 
       - name: Install Node.js
@@ -80,7 +81,7 @@ jobs:
           node-version: 24.13.1
 
       - name: Verify tag, packages, clients, docs, and downloads agree
-        run: node scripts/check-release-consistency.mjs --tag "$RELEASE_TAG"
+        run: node scripts/check-release-consistency.mjs --tag "$RELEASE_TAG" --repo-root .release-source
 
   ci-authority:
     needs: verify

scripts/check-release-consistency.mjs

@@ -1419,27 +1419,46 @@ export function checkReleaseConsistency(repoRoot, releaseTag) {
   return collectReleaseConsistencyErrors(loadReleaseContractFiles(repoRoot), releaseTag);
 }
 
-function parseTagArgument(args) {
-  if (args.length === 0) return undefined;
-  if (args.length === 2 && args[0] === "--tag" && args[1]) return args[1];
-  throw new Error("usage: node scripts/check-release-consistency.mjs [--tag vX.Y.Z]");
+export function parseCliArguments(args, cwd = process.cwd()) {
+  let releaseTag;
+  let repoRoot = resolve(cwd);
+  let repoRootProvided = false;
+  for (let index = 0; index < args.length; index += 2) {
+    const option = args[index];
+    const value = args[index + 1];
+    if (!value) {
+      throw new Error(
+        "usage: node scripts/check-release-consistency.mjs [--tag vX.Y.Z] [--repo-root path]",
+      );
+    }
+    if (option === "--tag" && releaseTag === undefined) {
+      releaseTag = value;
+    } else if (option === "--repo-root" && !repoRootProvided) {
+      repoRoot = resolve(cwd, value);
+      repoRootProvided = true;
+    } else {
+      throw new Error(
+        "usage: node scripts/check-release-consistency.mjs [--tag vX.Y.Z] [--repo-root path]",
+      );
+    }
+  }
+  return { releaseTag, repoRoot };
 }
 
 const isMain =
   process.argv[1] && resolve(process.argv[1]) === resolve(fileURLToPath(import.meta.url));
 if (isMain) {
   try {
-    const errors = checkReleaseConsistency(process.cwd(), parseTagArgument(process.argv.slice(2)));
+    const { releaseTag, repoRoot } = parseCliArguments(process.argv.slice(2));
+    const errors = checkReleaseConsistency(repoRoot, releaseTag);
     if (errors.length > 0) {
       console.error(
         `Release consistency check failed with ${errors.length} error${errors.length === 1 ? "" : "s"}:`,
       );
       for (const error of errors) console.error(`- ${error}`);
       process.exitCode = 1;
     } else {
-      const version = JSON.parse(
-        readFileSync(resolve(process.cwd(), "package.json"), "utf8"),
-      ).version;
+      const version = JSON.parse(readFileSync(resolve(repoRoot, "package.json"), "utf8")).version;
       console.log(`Release consistency check passed for v${version}.`);
     }
   } catch (error) {

scripts/check-release-consistency.test.mjs

@@ -9,6 +9,7 @@ import {
   collectReleaseConsistencyErrors,
   discoverReleasePackagePaths,
   loadReleaseContractFiles,
+  parseCliArguments,
 } from "./check-release-consistency.mjs";
 
 const repoRoot = resolve(import.meta.dirname, "..");
@@ -435,6 +436,28 @@ test("historical repair runs CI authority from trusted control while querying ol
   assert.notEqual(checkoutSha, queriedSha);
 });
 
+test("historical repair keeps trusted verification code separate from immutable source", () => {
+  const verifyJob = requiredWorkflowJob(files.get(".github/workflows/release.yml"), "verify");
+  const controlCheckout = requiredNamedStep(verifyJob, "Check out trusted release-control source");
+  const sourceCheckout = requiredNamedStep(verifyJob, "Check out immutable release source");
+  const consistencyStep = requiredNamedStep(
+    verifyJob,
+    "Verify tag, packages, clients, docs, and downloads agree",
+  );
+
+  assert.equal(controlCheckout.with.ref, "${{ github.sha }}");
+  assert.equal(sourceCheckout.with.ref, "${{ steps.source.outputs.source_sha }}");
+  assert.equal(sourceCheckout.with.path, ".release-source");
+  assert.equal(
+    consistencyStep.run,
+    'node scripts/check-release-consistency.mjs --tag "$RELEASE_TAG" --repo-root .release-source',
+  );
+  assert.deepEqual(parseCliArguments(["--tag", "v0.1.31", "--repo-root", ".release-source"]), {
+    releaseTag: "v0.1.31",
+    repoRoot: resolve(".release-source"),
+  });
+});
+
 test("rejects published app-wire version drift until release surfaces agree", () => {
   const drifted = changedRuntime("publishedAppWire", (record) => {
     record.version = "0.5.1";