Gate real train curve evidence

backend/app/capabilities.py

@@ -168,6 +168,7 @@ def get_capability_matrix() -> dict[str, Any]:
     all_tasks = catalog["task_types"]
     buildable_tasks = _coverage_build_task_set(coverage)
     runtime_by_role = _runtime_map(readiness)
+    real_train_curves = [item for item in curves if "real_train_acceptance" in item.get("relative_path", "")]
     domains = []
 
     for group in CAPABILITY_GROUPS:
@@ -271,6 +272,12 @@ def get_capability_matrix() -> dict[str, Any]:
             "passed": len(curves) >= 1,
             "detail": f"{len(curves)} curve file(s)",
         },
+        {
+            "id": "real_train_curve",
+            "label": "真实短训 loss 曲线",
+            "passed": len(real_train_curves) >= 1,
+            "detail": f"{len(real_train_curves)} real train curve file(s)",
+        },
         {
             "id": "deep_acceptance",
             "label": "深度训练验收",
@@ -310,6 +317,7 @@ def get_capability_matrix() -> dict[str, Any]:
             "uploaded_datasets": len(datasets),
             "artifacts": len(results),
             "curves": len(curves),
+            "real_train_curves": len(real_train_curves),
             "weights": manifest.get("count", 0),
             "gpus_available": bool(gpus.get("available")),
             "acceptance_passed": bool(acceptance.get("passed")),