chore: 纳入 skill_evolution 运行时配置文件

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

offline-backend-20260512/skill_evolution.json

@@ -0,0 +1,10 @@
+{
+  "enabled": true,
+  "moderation_model_name": null,
+  "curator": {
+    "enabled": false,
+    "interval_hours": 168,
+    "stale_after_days": 30,
+    "archive_after_days": 90
+  }
+}