Implement refinement hardening workplan

tests/test_external_adapter_packs.py

@@ -1,7 +1,14 @@
 import json
 from pathlib import Path
 
-from phase_memory.external_adapters import fake_external_adapter_pack, fake_external_runtime_config
+from phase_memory.external_adapters import (
+    ADAPTER_PACK_MANIFEST_SCHEMA,
+    ExternalAdapterPack,
+    adapter_pack_manifest,
+    fake_external_adapter_pack,
+    fake_external_runtime_config,
+    validate_adapter_pack_manifest,
+)
 from phase_memory.service import (
     assert_audit_sink_conformance,
     assert_context_compiler_conformance,
@@ -37,6 +44,35 @@ def test_fake_external_adapter_pack_satisfies_public_conformance_helpers() -> No
     assert pack.to_dict()["adapters"]["package_compiler"] == "FakeMarkitectPackageCompiler"
 
 
+def test_fake_external_adapter_pack_manifest_declares_compatibility() -> None:
+    pack = fake_external_adapter_pack()
+
+    manifest = adapter_pack_manifest(pack)
+    diagnostics = validate_adapter_pack_manifest(pack)
+
+    assert manifest["schema_version"] == ADAPTER_PACK_MANIFEST_SCHEMA
+    assert manifest["adapters"]["package_compiler"]["required_conformance"] == "assert_context_compiler_conformance"
+    assert manifest["adapters"]["audit_sink"]["required_capabilities"] == ["telemetry.audit.fake"]
+    assert diagnostics == ()
+
+
+def test_adapter_pack_manifest_reports_missing_capabilities() -> None:
+    pack = fake_external_adapter_pack()
+    incomplete = ExternalAdapterPack(
+        name=pack.name,
+        adapters=pack.adapters,
+        capabilities=tuple(capability for capability in pack.capabilities if capability != "telemetry.audit.fake"),
+        ownership_boundaries=pack.ownership_boundaries,
+        required_conformance=pack.required_conformance,
+        metadata=pack.metadata,
+    )
+
+    diagnostics = validate_adapter_pack_manifest(incomplete)
+
+    assert [diagnostic.code for diagnostic in diagnostics] == ["missing_adapter_capability"]
+    assert diagnostics[0].metadata["capability"] == "telemetry.audit.fake"
+
+
 def test_external_runtime_config_resolves_supplied_fake_pack() -> None:
     config = fake_external_runtime_config()
     pack = fake_external_adapter_pack()