verify(P16): workflows-readme-catalog — 4-layer verify PASS + ship

VERIFY: structural — README catalogs 7 workflows; behavioral — 7 docs tests + CI PASS; quality — reusable-workflow usage documented.

---ci---
project: acdl
phase: 16
milestone: v1.16
status: complete
phase_role: execution
requirements:
  covered: [REQ-180]
  partial: []
---/ci---

tests/test_docs_coverage.py

@@ -34,4 +34,15 @@ class TestDocsCoverage:
         assert "How to Write an Adapter" in content
         assert "How to Wire" in content
         assert "How to Test" in content
-        assert "Existing Adapters" in content
+        assert "Existing Adapters" in content
+
+def test_github_workflows_readme_catalogs_all_workflows():
+    """P16 (REQ-180): .github/workflows/README.md catalogs all 7 workflows."""
+    from pathlib import Path
+    readme = Path(__file__).resolve().parent.parent / ".github" / "workflows" / "README.md"
+    assert readme.is_file(), ".github/workflows/README.md missing"
+    text = readme.read_text()
+    for wf in ["ci.yml", "deploy.yml", "modules-lifecycle.yml",
+               "platform-test.yml", "primitives-plan.yml", "patterns-plan.yml",
+               "release.yml"]:
+        assert wf in text, f"{wf} not cataloged in .github/workflows/README.md"