Refresh WORK-RECORDS.md after every live record is archived.

C-33 returned early when the generator produced no rows, so a leftover
index kept listing archived workplans as active. Rewrite that file to an
empty table instead of leaving the stale rows in place.

Assistant: grok
Assistant-Session: 01a04d7c-846d-77e3-af8d-020019e4eb61

tests/test_work_record_index.py

@@ -17,6 +17,7 @@ from consistency_check import (  # noqa: E402
     ConsistencyReport,
     _check_work_record_index_freshness,
     _generate_work_record_index,
+    _work_record_index_document,
 )
 
 REGISTRY_YAML = textwrap.dedent(
@@ -185,3 +186,36 @@ class TestCheckWorkRecordIndexFreshness:
         ctx = report.issues[0]._fix_context
         assert ctx["index_file"] == tmp_path / "WORK-RECORDS.md"
         assert "AWQ-001" in ctx["content"]
+
+    def test_flags_stale_index_when_only_archived_workplans_remain(
+        self, tmp_path, registry_file
+    ):
+        wp_dir = tmp_path / "workplans" / "archived"
+        wp_dir.mkdir(parents=True)
+        (wp_dir / "260101-CUST-WP-0000-old.md").write_text(
+            "---\nid: CUST-WP-0000\nstatus: finished\n---\n", encoding="utf-8"
+        )
+        (tmp_path / "WORK-RECORDS.md").write_text(
+            "| workplan | CUST-WP-0000 | active | — | workplans/CUST-WP-0000-old.md |\n",
+            encoding="utf-8",
+        )
+        report = self._report(tmp_path)
+        assert len(report.issues) == 1
+        assert report.issues[0].check_id == "C-33"
+        content = report.issues[0]._fix_context["content"]
+        assert "CUST-WP-0000" not in content
+        assert "| Kind | ID | Status | Lane | Source |" in content
+
+    def test_no_issue_when_empty_index_matches_archived_only_repo(
+        self, tmp_path, registry_file
+    ):
+        wp_dir = tmp_path / "workplans" / "archived"
+        wp_dir.mkdir(parents=True)
+        (wp_dir / "260101-CUST-WP-0000-old.md").write_text(
+            "---\nid: CUST-WP-0000\nstatus: finished\n---\n", encoding="utf-8"
+        )
+        (tmp_path / "WORK-RECORDS.md").write_text(
+            _work_record_index_document("testrepo", []), encoding="utf-8"
+        )
+        report = self._report(tmp_path)
+        assert report.issues == []