Improved candidate feature naming

src/repo_registry/candidate_graph/generator.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import re
 from dataclasses import dataclass, field
 
 from repo_registry.core.models import ContentChunk, ObservedFact, Repository, SourceReference
@@ -126,7 +127,7 @@ class CandidateGraphGenerator:
     ) -> CandidateCapabilityDraft:
         features = [
             CandidateFeatureDraft(
-                name=fact.value or fact.name,
+                name=self._feature_name(fact, chunks),
                 type=self._feature_type(fact),
                 location=fact.path,
                 confidence=0.65 if fact.value else 0.45,
@@ -194,6 +195,40 @@ class CandidateGraphGenerator:
             return "API"
         return "interface"
 
+    def _feature_name(self, fact: ObservedFact, chunks: list[ContentChunk]) -> str:
+        route_name = self._route_feature_name(fact.value)
+        if route_name:
+            return route_name
+        if self._feature_type(fact) == "CLI":
+            function_name = self._function_name_near_fact(fact, chunks)
+            if function_name:
+                return f"CLI command {function_name}"
+        return fact.value or fact.name
+
+    def _route_feature_name(self, value: str) -> str:
+        match = re.search(r"@(?:app|router)\.(get|post|put|patch|delete)\((['\"])(.*?)\2", value)
+        if match is None:
+            return ""
+        method = match.group(1).upper()
+        path = match.group(3)
+        return f"{method} {path}"
+
+    def _function_name_near_fact(
+        self,
+        fact: ObservedFact,
+        chunks: list[ContentChunk],
+    ) -> str:
+        line = fact.metadata.get("line")
+        for chunk in chunks:
+            if chunk.path != fact.path or chunk.kind != "interface":
+                continue
+            if isinstance(line, int) and not (chunk.start_line <= line <= chunk.end_line):
+                continue
+            match = re.search(r"^\s*def\s+([a-zA-Z_][a-zA-Z0-9_]*)\s*\(", chunk.text, re.MULTILINE)
+            if match is not None:
+                return match.group(1)
+        return ""
+
     def _ability_confidence(
         self,
         *,

tests/test_candidate_graph.py

@@ -56,6 +56,7 @@ def test_candidate_generator_builds_review_seed_from_observed_facts():
     assert interface_capability.name == "Expose Repository Interface"
     assert interface_capability.confidence == 0.75
     assert interface_capability.features[0].type == "API"
+    assert interface_capability.features[0].name == "POST /classify"
     assert interface_capability.features[0].location == "app.py"
     assert interface_capability.evidence[0].strength == "strong"
 
@@ -140,3 +141,44 @@ def test_candidate_confidence_scoring_increases_with_supporting_facts():
     assert graph[0].confidence == 1.0
     assert graph[0].capabilities[0].confidence == 0.85
     assert graph[0].capabilities[1].confidence == 0.75
+
+
+def test_candidate_generator_names_cli_features_from_nearby_function():
+    repository = Repository(
+        id=1,
+        name="CliTool",
+        url="/tmp/cli-tool",
+        description=None,
+        branch="main",
+        status="analyzed",
+    )
+    facts = [
+        fact(1, "documentation", "README", "README.md"),
+        ObservedFact(
+            id=2,
+            repository_id=1,
+            analysis_run_id=1,
+            snapshot_id=1,
+            kind="interface",
+            path="cli.py",
+            name="python CLI command decorator",
+            value="@click.command()",
+            metadata={"line": 3},
+        ),
+    ]
+    chunks = [
+        chunk(
+            1,
+            "interface",
+            "cli.py",
+            "@click.command()\ndef import_repositories():\n    pass",
+            start_line=3,
+            end_line=5,
+        )
+    ]
+
+    graph = CandidateGraphGenerator().generate(repository, facts, chunks)
+
+    feature = graph[0].capabilities[0].features[0]
+    assert feature.type == "CLI"
+    assert feature.name == "CLI command import_repositories"

tests/test_registry_service.py

@@ -354,6 +354,7 @@ def test_analyze_repository_records_snapshot_and_observed_facts(tmp_path):
     assert candidate_graph.abilities
     assert "Example" in candidate_graph.abilities[0].description
     assert "@app.get" in candidate_graph.abilities[0].capabilities[0].description
+    assert candidate_graph.abilities[0].capabilities[0].features[0].name == "GET /health"
     capability_names = {
         capability.name
         for ability in candidate_graph.abilities