更新功能

backend/tests/test_engine_runtime_foundation.py

@@ -193,6 +193,37 @@ class EngineRuntimeFoundationTests(unittest.TestCase):
         self.assertEqual(resolution.status, "ambiguous")
         self.assertEqual(resolution.diagnostic.code, "selector_ambiguous")
 
+    def test_selector_resolver_prefers_exact_runtime_stable_id(self) -> None:
+        registry = TopologyRegistry()
+        geometry = {"curve_type": "circle", "center_mm": [0, 0, 0]}
+        registry.register(TopologyRecord("body:b:edge:18", "edge", "boss", "body:b", geometry))
+        registry.register(TopologyRecord("body:b:edge:20", "edge", "boss", "body:b", geometry))
+
+        resolution = registry.resolve({
+            "kind": "edge",
+            "stable_id": "body:b:edge:18",
+            "owner_feature_id": "boss",
+            "snapshot_id": "cad_test/rev_001",
+            "geometry": geometry,
+        }, active_body_id="body:b")
+
+        self.assertEqual(resolution.status, "resolved")
+        self.assertEqual(resolution.record.record_id, "body:b:edge:18")
+
+    def test_snapshot_stable_id_rejects_geometry_that_changed(self) -> None:
+        registry = TopologyRegistry()
+        registry.register(TopologyRecord(
+            "body:b:edge:18", "edge", "boss", "body:b",
+            {"curve_type": "circle", "center_mm": [0, 0, 0]},
+        ))
+        resolution = registry.resolve({
+            "kind": "edge", "stable_id": "body:b:edge:18", "owner_feature_id": "boss",
+            "snapshot_id": "cad_test/rev_001",
+            "geometry": {"curve_type": "circle", "center_mm": [1, 0, 0]},
+        }, active_body_id="body:b")
+        self.assertEqual(resolution.status, "not_found")
+        self.assertEqual(resolution.diagnostic.code, "selector_geometry_mismatch")
+
     def test_selector_resolver_normalizes_legacy_solidworks_plane_evidence(self) -> None:
         registry = TopologyRegistry()
         registry.register(TopologyRecord(