compforge
diff --git a/devloop/.claude-plugin/plugin.json b/devloop/.claude-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "devloop",
-  "version": "0.3.7",
+  "version": "0.3.8",
   "description": "Dev-loop workflow, native-first rebuild: git/PR (GitHub + GitLab) + cwd-aware enter + Board-managed context delivery + lint/test gates. Built on native Claude Code events (CwdChanged / PostCompact / FileChanged / monitors).",
   "author": {
     "name": "compforge",

diff --git a/devloop/.codex-plugin/plugin.json b/devloop/.codex-plugin/plugin.json
@@ -1,6 +1,6 @@
 {
   "name": "devloop",
-  "version": "0.3.7",
+  "version": "0.3.8",
   "description": "Dev-loop workflow: git/PR (GitHub + GitLab) + Board-managed workspace/repo context delivery + lint/test gates + execution-level hard intercepts for Claude Code and Codex.",
   "author": {
     "name": "compforge",

diff --git a/devloop/scripts/pr.py b/devloop/scripts/pr.py
@@ -84,7 +84,7 @@ def cmd_show(ns) -> int:
         print(f"  comments ({count}):")
         for c in comments[:20]:
             body = (c.body or "").strip().replace("\n", " ")
-            print(f"    - {c.author}: {body[:120]}")
+            print(f"    - {c.id or '?'}  {c.author}: {body[:120]}")
             for reply in c.replies:
                 body = (reply.body or "").strip().replace("\n", " ")
                 print(f"      ↳ {reply.author}: {body[:120]}")

diff --git a/devloop/scripts/review.py b/devloop/scripts/review.py
@@ -108,6 +108,10 @@ def cmd_findings(ns) -> int:
 
 
 def cmd_label(ns) -> int:
+    reason = ns.reason.strip()
+    if not reason:
+        print("review label: --reason cannot be empty", file=sys.stderr)
+        return 1
     forge = _forge_or_exit(ns, "review label")
     number = _number_or_exit(ns.number, "review label")
     found = _findings(forge, number, "review label")
@@ -127,7 +131,7 @@ def cmd_label(ns) -> int:
             file=sys.stderr,
         )
         return 1
-    body = review_feedback.verdict_reply(ns.verdict, ns.reason)
+    body = review_feedback.verdict_reply(ns.verdict, reason)
     try:
         forge.reply(number, finding.comment, body)
     except ForgeError as exc:

diff --git a/devloop/tests/test_forge.py b/devloop/tests/test_forge.py
@@ -5,10 +5,12 @@
 """
 from __future__ import annotations
 
+import io
 import os
 import shutil
 import subprocess
 import sys
+from contextlib import redirect_stdout
 from dataclasses import replace
 
 from _testkit import _FakeForge, _git, _load_script, run_main  # noqa: E402  (bootstrap first)
@@ -159,6 +161,34 @@ class _R:
         prcli.cli.resolve_repo_or_exit = orig_resolve
 
 
+def test_pr_show_exposes_replyable_comment_ids():
+    """`pr show` exposes the top-level comment id consumed by `pr reply`."""
+    from domain.forge import Comment
+    prcli = _load_script("pr")
+
+    class _F(_FakeForge):
+        def comments(self, number):
+            return [Comment(id="30", author="reviewer", body="please fix")]
+
+    fake = _F([PullRequest(number=5, state="open", source_branch="feat/x")])
+
+    class _R:
+        git_root = "/x"
+
+    orig_forge = prcli.forge_for_repo
+    orig_resolve = prcli.cli.resolve_repo_or_exit
+    try:
+        prcli.forge_for_repo = lambda repo: fake
+        prcli.cli.resolve_repo_or_exit = lambda ns, prog: (_R(), "test")
+        output = io.StringIO()
+        with redirect_stdout(output):
+            assert prcli.main(["show", "5"]) == 0
+        assert "- 30  reviewer: please fix" in output.getvalue()
+    finally:
+        prcli.forge_for_repo = orig_forge
+        prcli.cli.resolve_repo_or_exit = orig_resolve
+
+
 def test_review_cli_separates_verdict_from_resolution():
     """The review CLI owns typed Verdicts; recording one never resolves its thread."""
     from domain.forge import Comment, CommentResolution
@@ -205,6 +235,10 @@ class _R:
         reviewcli.cli.resolve_repo_or_exit = lambda ns, prog: (_R(), "test")
         assert reviewcli.main(["findings", "5"]) == 0
         assert reviewcli.main(["findings", "5", "--pending"]) == 0
+        assert reviewcli.main([
+            "label", "5", "30", "minor", "--reason", "  ",
+        ]) == 1
+        assert fake.replied == []
         assert reviewcli.main([
             "label", "5", "30", "minor", "--reason", "真问题，待修复",
         ]) == 0