feat: preserve native channel and task continuity

product-source/hololake-native-desktop/contracts/external-ai-gateway.json

@@ -1,20 +1,22 @@
 {
   "schema": "hololake.external-ai-gateway/v1",
   "record_id": "HLP-EXTERNAL-AI-GATEWAY-001",
-  "state": "IMPLEMENTED_HUMAN_GATED",
+  "state": "IMPLEMENTED_HUMAN_GATED_NATIVE_PROTOCOL_HANDOFF",
   "default_exposure": "CLOSED",
   "human_authorization_required": true,
   "mcp": {
     "transport": "STDIO_JSON_RPC",
     "protocol_version": "2025-06-18",
-    "role": "DISCOVERY_AND_CAPABILITY_CATALOG",
+    "role": "EXTERNAL_CONNECTION_ENTRY_AND_NATIVE_PROTOCOL_HANDOFF",
     "persistent_continuity_owner": false
   },
-  "direct_protocol": {
-    "protocol": "HOLOLAKE_TERMINAL_LINK/3",
+  "native_runtime": {
+    "protocol": "GUANGHU_LANGUAGE_PROTOCOL/1",
+    "wire_transport_protocol": "HOLOLAKE_TERMINAL_LINK/3",
     "transport": "USER_PRIVATE_LOCAL_SOCKET_OR_NAMED_PIPE",
     "continuity_owner": "HOLOLAKE",
-    "switch_after_mcp_discovery": true
+    "switch_after_mcp_connection": true,
+    "mcp_semantics_continue_inside_runtime": false
   },
   "catalog": {
     "physical_modules": "CALLABLE_ONLY_THROUGH_REGISTERED_NUMBERED_ROUTES",
@@ -27,6 +29,7 @@
     "general_agent_tool_loop": false,
     "transport_is_authority": false,
     "mcp_is_continuity_owner": false,
+    "fixed_handoff": "MCP_EXTERNAL_ENTRY_TO_GUANGHU_NATIVE_PROTOCOL_RUNTIME",
     "unknown_capability": "FAIL_CLOSED"
   }
 }