ADR-013 Phase 2: enforcement + signed shelf + adopt (adversarial-review hardened)

tests/test_plugin_packaging.py

@@ -144,6 +144,10 @@ def test_verify_dir_round_trip(tmp_path, keypair):
     (plugin_dir / signing.PROVENANCE_SIG).write_bytes(
         signing.sign(priv, prov_bytes))
 
+    # A real adopted/loaded tree carries no bytecode (packer excludes it, loader
+    # strips it); verify flags any that is present, so clear the test's planted
+    # __pycache__ before asserting a clean verify.
+    packaging.strip_bytecode(plugin_dir)
     _, errors = packaging.verify_dir(plugin_dir, [pub])
     assert errors == []