fix: add is_mcp_tool_approval marker

Author: NikolaiSviridov

src/CodexElicitationHandler.ts

@@ -165,6 +165,7 @@ export class CodexElicitationHandler implements ElicitationHandler {
                             // content: [messageContent],   — omitted: already rendered via item/started
                             // rawInput: { ... }            — omitted: same reason
                         },
+                        _meta: { is_mcp_tool_approval: true },
                         options,
                     },
                     correlatedCallId,
@@ -180,6 +181,7 @@ export class CodexElicitationHandler implements ElicitationHandler {
                         content: [messageContent],
                         rawInput: { serverName: params.serverName, schema: params.requestedSchema },
                     },
+                    ...(isToolApproval ? { _meta: { is_mcp_tool_approval: true } } : {}),
                     options,
                 },
                 correlatedCallId: undefined,

src/__tests__/CodexACPAgent/data/elicitation-tool-approval-all-persist.json

@@ -24,6 +24,7 @@
           }
         }
       },
+      "_meta": "_meta",
       "options": [
         {
           "optionId": "allow_once",

src/__tests__/CodexACPAgent/data/elicitation-tool-approval-no-persist.json

@@ -24,6 +24,7 @@
           }
         }
       },
+      "_meta": "_meta",
       "options": [
         {
           "optionId": "allow_once",

src/__tests__/CodexACPAgent/data/elicitation-tool-approval-session-only.json

@@ -24,6 +24,7 @@
           }
         }
       },
+      "_meta": "_meta",
       "options": [
         {
           "optionId": "allow_once",