Coevolution extension

tests/test_candidate_graph.py

@@ -246,3 +246,35 @@ def test_candidate_generator_groups_many_interface_facts_into_behavioral_feature
     assert feature.type == "API"
     assert feature.location == "src/api.py"
     assert len(feature.source_refs) == 3
+
+
+def test_candidate_generator_maps_llm_provider_facts_to_capability():
+    repository = Repository(
+        id=1,
+        name="LLMConnect",
+        url="/tmp/llm-connect",
+        description=None,
+        branch="main",
+        status="analyzed",
+    )
+    facts = [
+        fact(1, "documentation", "README", "README.md"),
+        fact(2, "llm_provider", "OpenRouter", "providers.py", "openrouter"),
+        fact(3, "llm_provider", "Claude", "providers.py", "claude"),
+        fact(4, "credential_config", "OpenRouter API key", ".env.example", "OPENROUTER_API_KEY"),
+        fact(5, "provider_registry", "LLM provider registry", "providers.py"),
+        fact(6, "fallback_policy", "LLM provider fallback policy", "providers.py"),
+    ]
+
+    graph = CandidateGraphGenerator().generate(repository, facts)
+
+    capability = next(
+        capability
+        for capability in graph[0].capabilities
+        if capability.name == "Route LLM Requests Across Providers"
+    )
+    feature_names = {feature.name for feature in capability.features}
+    assert {"Use OpenRouter Models", "Use Claude Models"} <= feature_names
+    assert "Configure LLM Provider Credentials" in feature_names
+    assert "Maintain LLM Provider Registry" in feature_names
+    assert "Apply LLM Provider Fallback Policy" in feature_names