Avoid hassfest manifest collision

demo/golden/accept.mjs

@@ -5,6 +5,7 @@ import { dirname, resolve } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { sourceFingerprint } from '../../scripts/source-fingerprint.mjs';
 import { GOLDEN_MATRIX_VERSION, GOLDEN_SCENARIOS } from './matrix.mjs';
+import { GOLDEN_BASELINE_MANIFEST } from './policy.mjs';
 
 const ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '../..');
 const reviewed = process.argv.includes('--reviewed');
@@ -45,7 +46,7 @@ for (const scenario of GOLDEN_SCENARIOS) {
 // updated baseline directory behind.
 for (const { scenario, candidate } of candidates)
   copyFileSync(candidate, resolve(baselineRoot, `${scenario.id}.png`));
-writeFileSync(resolve(baselineRoot, 'manifest.json'), `${JSON.stringify({
+writeFileSync(resolve(baselineRoot, GOLDEN_BASELINE_MANIFEST), `${JSON.stringify({
   schema: 1,
   matrixVersion: GOLDEN_MATRIX_VERSION,
   acceptedAt: new Date().toISOString(),

demo/golden/policy.mjs

@@ -1,3 +1,5 @@
+export const GOLDEN_BASELINE_MANIFEST = 'baseline-manifest.json';
+
 export const assertGoldenInvocation = (mode, scenarioFilter = '') => {
   if (!['capture', 'verify'].includes(mode)) throw new Error(`unknown golden mode: ${mode}`);
   if (mode === 'verify' && scenarioFilter)

demo/golden/run.mjs

@@ -7,7 +7,7 @@ import { launch } from '../serve.mjs';
 import { assertFreshDemoBundle } from '../bundle-freshness.mjs';
 import { goldenClip, prepareGoldenScenario } from './harness.mjs';
 import { GOLDEN_MATRIX_VERSION, GOLDEN_SCENARIOS } from './matrix.mjs';
-import { assertGoldenInvocation, goldenRunFailed } from './policy.mjs';
+import { assertGoldenInvocation, GOLDEN_BASELINE_MANIFEST, goldenRunFailed } from './policy.mjs';
 
 const ROOT = resolve(dirname(fileURLToPath(import.meta.url)), '../..');
 const mode = process.argv.find((arg) => arg.startsWith('--mode='))?.slice(7) || 'capture';
@@ -106,7 +106,7 @@ async function comparePng(page, actual, baseline, threshold) {
 }
 
 let baselineManifest = null;
-const baselineManifestPath = resolve(baselineRoot, 'manifest.json');
+const baselineManifestPath = resolve(baselineRoot, GOLDEN_BASELINE_MANIFEST);
 if (existsSync(baselineManifestPath)) {
   try { baselineManifest = JSON.parse(readFileSync(baselineManifestPath, 'utf8')); }
   catch { baselineManifest = { invalid: true }; }

test/golden-policy.test.mjs

@@ -1,6 +1,15 @@
 import assert from 'node:assert/strict';
 import test from 'node:test';
-import { assertGoldenInvocation, goldenRunFailed } from '../demo/golden/policy.mjs';
+import {
+  assertGoldenInvocation,
+  GOLDEN_BASELINE_MANIFEST,
+  goldenRunFailed,
+} from '../demo/golden/policy.mjs';
+
+test('golden metadata cannot be mistaken for a Home Assistant integration manifest', () => {
+  assert.equal(GOLDEN_BASELINE_MANIFEST, 'baseline-manifest.json');
+  assert.notEqual(GOLDEN_BASELINE_MANIFEST, 'manifest.json');
+});
 
 test('golden capture fails on runtime errors but permits missing baselines', () => {
   assert.equal(goldenRunFailed('capture', false, [{ status: 'error' }]), true);