fix(app-server): mark thread/turns/list and exclude_turns as experime… (#20499)

…ntal

We have some bugs to work out and it is not quite ready to consume as a
public API.

codex-rs/app-server-protocol/schema/json/ClientRequest.json

@@ -3453,10 +3453,6 @@
         "ephemeral": {
           "type": "boolean"
         },
-        "excludeTurns": {
-          "description": "When true, return only thread metadata and live fork state without populating `thread.turns`. This is useful when the client plans to call `thread/turns/list` immediately after forking.",
-          "type": "boolean"
-        },
         "model": {
           "description": "Configuration overrides for the forked thread, if any.",
           "type": [
@@ -3858,10 +3854,6 @@
             "null"
           ]
         },
-        "excludeTurns": {
-          "description": "When true, return only thread metadata and live-resume state without populating `thread.turns`. This is useful when the client plans to call `thread/turns/list` immediately after resuming.",
-          "type": "boolean"
-        },
         "model": {
           "description": "Configuration overrides for the resumed thread, if any.",
           "type": [
@@ -4121,44 +4113,6 @@
       ],
       "type": "string"
     },
-    "ThreadTurnsListParams": {
-      "properties": {
-        "cursor": {
-          "description": "Opaque cursor to pass to the next call to continue after the last turn.",
-          "type": [
-            "string",
-            "null"
-          ]
-        },
-        "limit": {
-          "description": "Optional turn page size.",
-          "format": "uint32",
-          "minimum": 0.0,
-          "type": [
-            "integer",
-            "null"
-          ]
-        },
-        "sortDirection": {
-          "anyOf": [
-            {
-              "$ref": "#/definitions/SortDirection"
-            },
-            {
-              "type": "null"
-            }
-          ],
-          "description": "Optional turn pagination direction; defaults to descending."
-        },
-        "threadId": {
-          "type": "string"
-        }
-      },
-      "required": [
-        "threadId"
-      ],
-      "type": "object"
-    },
     "ThreadUnarchiveParams": {
       "properties": {
         "threadId": {
@@ -4889,30 +4843,6 @@
       "title": "Thread/readRequest",
       "type": "object"
     },
-    {
-      "properties": {
-        "id": {
-          "$ref": "#/definitions/RequestId"
-        },
-        "method": {
-          "enum": [
-            "thread/turns/list"
-          ],
-          "title": "Thread/turns/listRequestMethod",
-          "type": "string"
-        },
-        "params": {
-          "$ref": "#/definitions/ThreadTurnsListParams"
-        }
-      },
-      "required": [
-        "id",
-        "method",
-        "params"
-      ],
-      "title": "Thread/turns/listRequest",
-      "type": "object"
-    },
     {
       "description": "Append raw Responses API items to the thread history without starting a user turn.",
       "properties": {