Implement scope-derived candidate review infrastructure

tests/test_registry_service.py

@@ -498,6 +498,49 @@ def test_dependency_graph_deduplicates_document_fact_nodes(tmp_path):
     assert fact_nodes[0]["label"] == "README.md (documentation)"
 
 
+def test_dependency_graph_renders_candidate_fallback_when_approved_hierarchy_missing(tmp_path):
+    service = make_service(tmp_path)
+    source = tmp_path / "scope-candidate"
+    source.mkdir()
+    (source / "SCOPE.md").write_text(
+        "# SCOPE\n\n"
+        "## One-liner\n"
+        "S5 Workloads and Experience layer.\n\n"
+        "## Provided Capabilities\n\n"
+        "```capability\n"
+        "type: infrastructure\n"
+        "title: Application workload deployment\n"
+        "description: Deploy applications as Helm releases.\n"
+        "keywords: [helm]\n"
+        "```\n",
+        encoding="utf-8",
+    )
+    repository = service.register_repository(name="Scope Candidate", url=str(source))
+    service.analyze_repository(
+        repository.id,
+        source_path=str(source),
+        use_llm_assistance=False,
+    )
+
+    payload = service.dependency_graph_elements(repository.id, use_latest_profile=False)
+
+    nodes = [
+        element["data"]
+        for element in payload["elements"]
+        if "source" not in element["data"]
+    ]
+    edges = [
+        element["data"]
+        for element in payload["elements"]
+        if "source" in element["data"]
+    ]
+    assert payload["metrics"]["node_count"] > 0
+    assert any(node["reviewState"] == "candidate" for node in nodes)
+    assert any(node["reviewState"] == "draft" for node in nodes)
+    assert any(edge["dependencyType"] == "draft-realizes" for edge in edges)
+    assert any(edge["dependencyType"] == "draft-supports" for edge in edges)
+
+
 def test_manual_registry_updates_and_deletes_approved_entries(tmp_path):
     service = make_service(tmp_path)
     repository = service.register_repository(