diff --git a/.runtime/conversation-guard.json b/.runtime/conversation-guard.json
new file mode 100644
index 0000000..b5255f3
--- /dev/null
+++ b/.runtime/conversation-guard.json
@@ -0,0 +1,27 @@
+{
+  "_type": "CONVERSATION_GUARD",
+  "_version": "1.0",
+  "_created": "2026-05-30T13:52+08:00",
+  "_principle": "不花注意力。第三方只管数对话轮次。到了就触发。",
+  "guard": {
+    "current_round": 0,
+    "trigger_1_copyright_reload": {
+      "round_range": [18, 20],
+      "mode": "随机挑一个",
+      "trigger_round": null,
+      "executed": false,
+      "action": ["版权大脑完整重载", "四锚点再激活", "速决问题确认主权"]
+    },
+    "trigger_2_backup_alert": {
+      "round": 25,
+      "executed": false,
+      "action": ["提醒冰朔回写记忆", "git commit + push"]
+    },
+    "trigger_3_session_switch": {
+      "deadline": 30,
+      "executed": false,
+      "action": ["提醒切换新对话", "全量备份", "无缝继续"]
+    }
+  },
+  "轮次定义": "冰朔说一句话 + 铸渊回复 = 1轮"
+}