[HLCC-ICE-000001][ZY-CONTRIB-20260723-001] feat: 以来光者贡献链启用冰朔第五域个人子频道

diagnostics/WORK-MODE-RECEIVER-PROBE-20260713.hdlp

@@ -0,0 +1,23 @@
+# WORK-MODE-RECEIVER-PROBE-20260713 · 服务器接收链路探针
+
+```text
+probe
+├── id: WORK-PROBE-20260713-001
+├── created_at: 2026-07-13T00:00:00+08:00
+├── requested_by: ICE-GL∞
+├── producer: ICE-GL-ZL-001 · Work
+├── target: fifth-domain repository receiver
+├── mode: read-only-observation
+├── command: none
+├── deployment: forbidden
+├── service_restart: forbidden
+└── expected_receipt
+    ├── repository_event_received: true | false
+    ├── receiver_id: ""
+    ├── received_at: ""
+    └── note: ""
+```
+
+本探针只用于确认服务器侧 Runner、Webhook 或定时拉取接收器是否仍在监听
+`fifth-domain/main`。接收端不得执行 shell 命令、修改服务、读取凭证或触发部署；
+如存在受控回执机制，只需在既有回执路径记录收到本探针。