fix(rm-02): narrow inventory drift guarantee

scripts/gate-remediation.test.mjs

@@ -58,7 +58,7 @@ function shrinkManifest(manifest, removedGateId) {
   }
 }
 
-test('shrinking the verifier inventory and manifest together is rejected by an independent baseline', async () => {
+test('shrinking the verifier inventory and manifest together is rejected by a same-checkout baseline', async () => {
   const fixture = await mkdtemp(path.join(os.tmpdir(), 'rm02-shrink-both-'));
   try {
     await mkdir(path.join(fixture, 'scripts'), { recursive: true });
@@ -94,13 +94,13 @@ test('shrinking the verifier inventory and manifest together is rejected by an i
       { cwd: fixture, encoding: 'utf8' },
     );
     assert.notEqual(result.status, 0, 'shrinking source anchor and manifest together must go red');
-    assert.match(output(result), /independent required-gate baseline.*hook-pre-push/i);
+    assert.match(output(result), /same-checkout required-gate baseline.*hook-pre-push/i);
   } finally {
     await rm(fixture, { recursive: true, force: true });
   }
 });
 
-test('shrinking the independent baseline and manifest together is rejected by verifier inventory', async () => {
+test('shrinking the same-checkout baseline and manifest together is rejected by verifier inventory', async () => {
   const fixture = await mkdtemp(path.join(os.tmpdir(), 'rm02-shrink-baseline-manifest-'));
   try {
     await mkdir(path.join(fixture, 'scripts'), { recursive: true });
@@ -154,6 +154,46 @@ test('every gate carries an evidence-side subject distinct from its definition',
   }
 });
 
+test('inventory claim control rejects qualified independence wording', async () => {
+  const fixture = await mkdtemp(path.join(os.tmpdir(), 'rm02-inventory-overclaim-'));
+  const artifacts = [
+    'gates/required-gates.baseline.json',
+    'gates/gates.manifest.json',
+    'docs/PRD.md',
+    'docs/ADMIN-GUIDE/quality-gate-registry.md',
+    'docs/DEVELOPER-GUIDE/quality-gate-registry.md',
+    'docs/remediation/GATE-CLAIMS.md',
+    'docs/plans/2026-08-01-rm-02-gate-registry.md',
+    'docs/SITEMAP.md',
+  ];
+  try {
+    await mkdir(path.join(fixture, 'scripts'), { recursive: true });
+    await copyFile(
+      path.join(root, 'scripts', 'gate-inventory-claim-control.mjs'),
+      path.join(fixture, 'scripts', 'gate-inventory-claim-control.mjs'),
+    );
+    for (const relativePath of artifacts) {
+      const target = path.join(fixture, relativePath);
+      await mkdir(path.dirname(target), { recursive: true });
+      await copyFile(path.join(root, relativePath), target);
+    }
+    const prd = path.join(fixture, 'docs', 'PRD.md');
+    await writeFile(
+      prd,
+      `${await readFile(prd, 'utf8')}\nThis provides an independent seven-gate baseline comparison.\n`,
+    );
+    const result = spawnSync(
+      process.execPath,
+      [path.join(fixture, 'scripts', 'gate-inventory-claim-control.mjs')],
+      { cwd: fixture, encoding: 'utf8' },
+    );
+    assert.equal(result.status, 84, output(result));
+    assert.match(output(result), /INVENTORY_CLAIM_OVERSTATED.*docs\/PRD\.md/i);
+  } finally {
+    await rm(fixture, { recursive: true, force: true });
+  }
+});
+
 test('evidence population control depends on production result consumption wiring', async () => {
   const fixture = await mkdtemp(path.join(os.tmpdir(), 'rm02-evidence-consumer-inert-'));
   try {