Milestone 3: candidate graph generation

tests/test_registry_service.py

@@ -133,6 +133,16 @@ def test_analyze_repository_records_snapshot_and_observed_facts(tmp_path):
     assert ("framework", "FastAPI", "requirements.txt") in fact_names
     assert ("interface", "python route decorator", "app.py") in fact_names
 
+    candidate_graph = service.candidate_graph(repository.id, summary.analysis_run.id)
+    assert candidate_graph.repository.name == "Example"
+    assert candidate_graph.abilities
+    capability_names = {
+        capability.name
+        for ability in candidate_graph.abilities
+        for capability in ability.capabilities
+    }
+    assert "Expose Repository Interface" in capability_names
+
 
 def test_analyze_repository_failure_is_recorded(tmp_path):
     service = make_service(tmp_path)