docs/protocols.md hinzugefügt

docs/protocols.md

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+# networking
+
+## cc-net DHCP
+DISCOVER (Client → Broadcast)
+OFFER (Router → Client)
+REQUEST (Client → Router)
+ACK (Router → Client)
+
+## request
+```json
+{
+  service = "crm_db",
+  action = "addCustomer",
+  payload = { ... },
+  requestId = 19239923,
+  sender = <clientID>,
+  version = "1.0"
+}
+```
+
+## response
+```json
+{
+  ok = true,
+  data = { ... },
+  error = nil,
+  requestId = 19239923,
+  service = "crm_db",
+  version = "1.0"
+}
+```