@@ -35,7 +35,10 @@ test('the weekly sweep shards exactly the registry matrix', () => {
 
 test('the weekly sweep merges the shards into one ratcheted verdict', () => {
   const yaml = workflow('mutation-weekly.yml');
-  assert.match(yaml, /pnpm mutation:check --report-dir/);
+  // Invoked through the canonical runner (#1429): `pnpm gate <check-id>` is the
+  // only way a lane may reach a gate, so the assertion names the check, not the
+  // package script behind it.
+  assert.match(yaml, /pnpm gate mutation-check --report-dir/);
   assert.match(yaml, /GITHUB_STEP_SUMMARY|\$GITHUB_STEP_SUMMARY/);
   // A dead shard must not be merged into a verdict that looks like a sweep.
   assert.match(
@@ -84,7 +87,7 @@ test('every kernel path a PR can touch selects the affected mutation job', () =>
     paths.includes('packages/*/src/**/*.test.ts'),
     'the PR lane must trigger on every packages/*/src test too — target-annotation-serde is owned by one',
   );
-  assert.match(workflow('mutation-affected.yml'), /mutation:affected --list-affected/);
+  assert.match(workflow('mutation-affected.yml'), /gate mutation-affected --list-affected/);
   // The lane's own sources fail open into it too: a ratchet or baseline edit must
   // prove itself against real mutants, not against a stale report.
   for (const own of ['scripts/mutation/**', 'stryker.config.json', 'mutation-baselines/**']) {
 
@@ -42,7 +42,10 @@ test('producer, consumers, upload, and concurrency use the canonical platform-sc
     'utf8',
   );
 
-  assert.match(fetchStep.run, /"\$\{\{ inputs\.platform \}\}" "\$DEST"/);
+  // The platform still arrives first and DEST second; it is passed through `env:` rather
+  // than interpolated, because an action may no longer splice an input into a shell body.
+  assert.match(fetchStep.run, /"\$INPUT_PLATFORM" "\$DEST"/);
+  assert.equal(fetchStep.env.INPUT_PLATFORM, '${{ inputs.platform }}');
   assert.match(fetchArtifact, /resolve-artifact-name\.sh" "\$PLATFORM"/);
   assert.match(fetchArtifact, /find "\$REPOSITORY" "\$NAME" "\$EXPECTED_HEAD_SHA"/);
   assert.match(androidBuildToolsStep.run, /build-tools;36\.0\.0/);