diff --git a/.agents/skills/doc_quality_policy/publish_review_signal.py b/.agents/skills/doc_quality_policy/publish_review_signal.py
index 56a3dd073..53e33e57e 100644
--- a/.agents/skills/doc_quality_policy/publish_review_signal.py
+++ b/.agents/skills/doc_quality_policy/publish_review_signal.py
@@ -20,6 +20,7 @@
     "approve with nits": "COMMENT",
     "approve_with_nits": "COMMENT",
     "request changes": "COMMENT",
+    "request_changes": "COMMENT",
 }
 
 
diff --git a/.agents/skills/doc_quality_policy/test_publish_review_signal.py b/.agents/skills/doc_quality_policy/test_publish_review_signal.py
index 1c879ee27..f58100a65 100644
--- a/.agents/skills/doc_quality_policy/test_publish_review_signal.py
+++ b/.agents/skills/doc_quality_policy/test_publish_review_signal.py
@@ -74,6 +74,22 @@ def test_request_changes_maps_to_non_blocking_github_comment(self):
         self.assertEqual(payload["event"], "COMMENT")
         self.assertIn("canonical subagent terminology", payload["body"])
 
+    def test_request_changes_underscore_spelling_maps_to_non_blocking_comment(self):
+        payload = prs.build_review_payload(
+            _signal(
+                "request_changes",
+                important=1,
+                blocking_findings=[
+                    "`src/content/docs/example.mdx:42` — Use the canonical subagent "
+                    "terminology. Requested change: replace `children` with `subagents`."
+                ],
+            ),
+            "1",
+            "sha1",
+            "github-actions[bot]",
+        )
+        self.assertEqual(payload["event"], "COMMENT")
+
     def test_rejects_blocking_verdict_without_actionable_findings(self):
         with self.assertRaisesRegex(ValueError, "blocking_findings"):
             prs.build_review_payload(
diff --git a/.agents/skills/review-docs-pr/SKILL.md b/.agents/skills/review-docs-pr/SKILL.md
index bab12cff7..faa30e928 100644
--- a/.agents/skills/review-docs-pr/SKILL.md
+++ b/.agents/skills/review-docs-pr/SKILL.md
@@ -200,13 +200,14 @@ the review yourself. Emit the signal with `reviewer_login` set to
 `github-actions[bot]`; the GitHub Actions runner publishes the review with its
 short-lived token after the cloud agent returns.
 
-1. Determine the authenticated reviewer and map the verdict:
+1. Determine the authenticated reviewer:
    ```bash
    REVIEWER_LOGIN=$(gh api user --jq .login)
    ```
-   Use `APPROVE` for `Approve` and `Approve with nits`; nits do not block
-   merge, so an approval supersedes any earlier change request from the same
-   reviewer. Use `REQUEST_CHANGES` only for `Request changes`.
+   Every verdict — `Approve`, `Approve with nits`, and `Request changes` —
+   publishes as a non-blocking `COMMENT` GitHub review event. The required
+   `Agent docs review` status check still fails on critical or important
+   findings. Engineering review requests remain advisory.
 2. Write the signal JSON object to `/tmp/review-signal.json`, set its
    `reviewer_login` to `$REVIEWER_LOGIN`, and render that same object as the
    `[SIGNAL:pr-review]` line in the final response. Then construct the
@@ -223,9 +224,9 @@ short-lived token after the cloud agent returns.
    review = json.loads(Path("review.json").read_text())
    signal = json.loads(Path("/tmp/review-signal.json").read_text())
    event = {
-       "Approve": "APPROVE",
-       "Approve with nits": "APPROVE",
-       "Request changes": "REQUEST_CHANGES",
+       "Approve": "COMMENT",
+       "Approve with nits": "COMMENT",
+       "Request changes": "COMMENT",
    }[os.environ["VERDICT"]]
    findings = []
    for comment in review["comments"]:
diff --git a/.agents/skills/review-docs-pr/test_publishing_snippet.py b/.agents/skills/review-docs-pr/test_publishing_snippet.py
index 48e32a5d2..5da62fc4d 100644
--- a/.agents/skills/review-docs-pr/test_publishing_snippet.py
+++ b/.agents/skills/review-docs-pr/test_publishing_snippet.py
@@ -114,6 +114,12 @@ def test_hidden_signal_remains_parseable(self):
         self.assertEqual(problems, [])
         self.assertEqual(parsed["verdict"], signal["verdict"])
 
+    def test_policy_distinguishes_comment_event_from_required_check(self):
+        text = SKILL.read_text(encoding="utf-8")
+        self.assertIn("non-blocking `COMMENT` GitHub review event", text)
+        self.assertIn("`Agent docs review` status check still fails", text)
+        self.assertIn("Engineering review requests remain advisory.", text)
+
     def test_findings_and_verdict_are_still_rendered(self):
         payload, _ = self._run(
             comments=[{"path": "a.md", "line": 3, "body": "Fix this typo."}],
@@ -122,7 +128,7 @@ def test_findings_and_verdict_are_still_rendered(self):
         self.assertIn("## Findings", payload["body"])
         self.assertIn("`a.md:3` — Fix this typo.", payload["body"])
         self.assertIn("## Verdict\nRequest changes", payload["body"])
-        self.assertEqual(payload["event"], "REQUEST_CHANGES")
+        self.assertEqual(payload["event"], "COMMENT")
 
 
 if __name__ == "__main__":
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6bed93bbf..6a00fe72e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -63,6 +63,7 @@ jobs:
           python3 .agents/skills/doc_quality_policy/test_check_compression_contract.py
           python3 .agents/skills/doc_quality_policy/test_verify_review_signal.py
           python3 .agents/skills/doc_quality_policy/test_publish_review_signal.py
+          python3 .agents/skills/doc_quality_policy/test_stale_review_requests.py
           python3 .agents/skills/doc_quality_policy/test_agent_docs_review_workflow.py
           python3 .agents/skills/doc_quality_policy/test_manifest.py