BUILD-001: invalidate addon application cache per release

tests/test_addon_config.py

@@ -8,3 +8,11 @@ def test_addon_does_not_expose_internal_learning_parameters() -> None:
     assert "\nschema:" not in config
     assert "prediction_confidence" not in config
     assert "execution_cooldown_seconds" not in config
+
+
+def test_addon_version_invalidates_application_build_layer() -> None:
+    dockerfile = Path("addon/Dockerfile").read_text(encoding="utf-8")
+
+    config_copy = dockerfile.index("COPY config.yaml /tmp/addon-config.yaml")
+    repository_clone = dockerfile.index("git clone --depth 1 --branch main")
+    assert config_copy < repository_clone