feat(ack): add project knowledge guardrails

tests/test_ack_skill.py

@@ -15,8 +15,11 @@ class AckSkillContentTests(unittest.TestCase):
             "skiff init ack --project <project-root>",
             "docs/ack/project.md",
             "docs/ack/tasks.yaml",
+            "docs/ack/knowledge.yaml",
             "tasks: []",
             "validate_tasks.py",
+            "validate_knowledge.py",
+            "select_knowledge.py",
             "references/kickoff.md",
             "不要修改项目的 `AGENTS.md`",
             "当前会话担任 Coordinator",
@@ -31,6 +34,20 @@ class AckSkillContentTests(unittest.TestCase):
         self.assertIn('display_name: "ACK"', metadata)
         self.assertIn("allow_implicit_invocation: false", metadata)
 
+    def test_ack_knowledge_resources_and_version_are_present(self) -> None:
+        ack_dir = REPO_ROOT / "skills" / "ack"
+
+        for relative_path in (
+            "templates/knowledge.template.yaml",
+            "templates/knowledge.schema.json",
+            "examples/knowledge.example.yaml",
+            "scripts/validate_knowledge.py",
+            "scripts/select_knowledge.py",
+            "scripts/run_verification.py",
+        ):
+            self.assertTrue((ack_dir / relative_path).is_file(), relative_path)
+        self.assertEqual((ack_dir / "VERSION").read_text(encoding="utf-8").strip(), "0.9.0")
+
 
 if __name__ == "__main__":
     unittest.main()