feat: show checked values in the failure table

The scope table now carries a 'Checked value' column (mirroring the
success details), so a failing report answers what exactly was checked
without expanding the failure details.

Author: shenxianpeng

main.py

@@ -382,16 +382,25 @@ def _failure_count(results: list[ScopeResult]) -> int:
 
 
 def _markdown_table(results: list[ScopeResult]) -> str:
-    """Render the scope/result table shared by summary and PR comment."""
-    rows = ["| Scope | Failed checks | Result |", "|---|---|---|"]
+    """Render the scope/result table shared by summary and PR comment.
+
+    The checked-value column mirrors what the success details show per
+    scope, so a failing table still answers "what exactly was checked".
+    """
+    rows = [
+        "| Scope | Checked value | Failed checks | Result |",
+        "|---|---|---|---|",
+    ]
     for scope in results:
+        value = _scope_value(scope)
+        value_display = f"`{value}`" if value else "\u2014"
         if scope.status == "pass":
-            rows.append(f"| {scope.label} | \u2014 | \u2705 |")
+            rows.append(f"| {scope.label} | {value_display} | \u2014 | \u2705 |")
         else:
             links = " \u00b7 ".join(
                 _rule_markdown_link(check) for check in scope.failures
             )
-            rows.append(f"| {scope.label} | {links} | \u274c |")
+            rows.append(f"| {scope.label} | {value_display} | {links} | \u274c |")
     return "\n".join(rows)
 
 

main_test.py

@@ -670,9 +670,10 @@ def test_failure_renders_table_with_rule_links(self):
         body = main.render_job_summary([fail_scope("Commit 1/1")])
         self.assertTrue(body.startswith(main.REPORT_TITLE))
         self.assertIn("**1 failure** across 1 scope", body)
-        self.assertIn("| Scope | Failed checks | Result |", body)
+        self.assertIn("| Scope | Checked value | Failed checks | Result |", body)
         self.assertIn(
-            "| Commit 1/1 | [CC001 message](https://commit-check.com/rules/#cc001) | ❌ |",
+            "| Commit 1/1 | `bad message` | "
+            "[CC001 message](https://commit-check.com/rules/#cc001) | ❌ |",
             body,
         )
         self.assertIn("<details>", body)
@@ -682,7 +683,7 @@ def test_failure_renders_table_with_rule_links(self):
 
     def test_pass_scope_renders_checkmark(self):
         body = main.render_job_summary([pass_scope("Branch"), fail_scope("Commit 1/1")])
-        self.assertIn("| Branch | — | ✅ |", body)
+        self.assertIn("| Branch | — | — | ✅ |", body)
 
 
 class TestRenderPrComment(unittest.TestCase):
@@ -699,7 +700,7 @@ def test_failure_matches_job_summary(self):
         self.assertEqual(comment, summary)
         self.assertTrue(comment.startswith(main.REPORT_TITLE))
         self.assertIn("**1 failure** across 1 scope", comment)
-        self.assertIn("| Scope | Failed checks | Result |", comment)
+        self.assertIn("| Scope | Checked value | Failed checks | Result |", comment)
 
 
 class TestBuildResultBody(unittest.TestCase):
@@ -740,7 +741,7 @@ def test_failure_returns_nonzero(self):
         self.assertEqual(rc, 1)
         with open(summary_path, encoding="utf-8") as file_obj:
             content = file_obj.read()
-        self.assertIn("| Scope | Failed checks | Result |", content)
+        self.assertIn("| Scope | Checked value | Failed checks | Result |", content)
         self.assertIn("❌", content)
 
 
@@ -833,7 +834,7 @@ def test_creates_comment_with_rendered_body(self):
         self.assertEqual(mock_pull_request.create_comment.call_count, 1)
         body = mock_pull_request.create_comment.call_args[1]["body"]
         self.assertTrue(body.startswith(main.REPORT_TITLE))
-        self.assertIn("| Scope | Failed checks | Result |", body)
+        self.assertIn("| Scope | Checked value | Failed checks | Result |", body)
 
     def test_updates_existing_comment_when_changed(self):
         old_comment = MagicMock(body="# Commit-Check ❌ 0 failures")