🐛 fix(thirdparty): align human skill registry

test/test_thirdparty_skills_pipeline.py

@@ -51,6 +51,26 @@ def extract_workflow_region(name: str) -> str:
 
 
 class ThirdpartySkillsPipelineTests(unittest.TestCase):
+    def test_human_registry_lists_the_same_sources_as_the_ci_manifest(self):
+        registry = (
+            ROOT / "skills" / "thirdparty" / "thirdparty-skills.yml"
+        ).read_text(encoding="utf-8")
+        entries = {}
+        for chunk in registry.split("\n  - id: ")[1:]:
+            source_id, _, body = chunk.partition("\n")
+            entries[source_id.strip()] = body
+
+        self.assertEqual(
+            sorted(entries),
+            sorted(entry["id"] for entry in load_manifest()["sources"]),
+            msg="SKILLS.md points at thirdparty-skills.yml as the human-readable "
+            "source registry, so it has to cover every source CI syncs",
+        )
+        for source_id, body in entries.items():
+            for field in ("upstream_repo", "selected_for", "playbook_fit"):
+                self.assertIn(
+                    f"{field}:", body, msg=f"{source_id} is missing {field}"
+                )
 
     def test_manifest_declares_all_thirdparty_sources(self):
         data = load_manifest()