[codex-analytics] add queued submission metadata

codex-rs/app-server-protocol/schema/json/codex_app_server_protocol.schemas.json

@@ -12202,6 +12202,13 @@
           }
         ]
       },
+      "SubmissionType": {
+        "enum": [
+          "prompt",
+          "prompt_queued"
+        ],
+        "type": "string"
+      },
       "TerminalInteractionNotification": {
         "$schema": "http://json-schema.org/draft-07/schema#",
         "properties": {
@@ -14763,6 +14770,17 @@
             ],
             "description": "Override the service tier for this turn and subsequent turns."
           },
+          "submissionType": {
+            "anyOf": [
+              {
+                "$ref": "#/definitions/v2/SubmissionType"
+              },
+              {
+                "type": "null"
+              }
+            ],
+            "description": "Metadata describing how the prompt was submitted."
+          },
           "summary": {
             "anyOf": [
               {