Update API specifications with fern api update (#981)

Co-authored-by: github-actions <github-actions@github.com>

Author: github-actions[bot]

fern/apis/api/openapi.json

@@ -57809,6 +57809,10 @@
               "model-output"
             ]
           },
+          "turnId": {
+            "type": "string",
+            "description": "This is the unique identifier for the current LLM turn. All tokens from the same\nLLM response share the same turnId. Use this to group tokens and discard on interruption."
+          },
           "timestamp": {
             "type": "number",
             "description": "This is the timestamp of the message."
@@ -58373,6 +58377,10 @@
               "user-interrupted"
             ]
           },
+          "turnId": {
+            "type": "string",
+            "description": "This is the turnId of the LLM response that was interrupted. Matches the turnId\non model-output messages so clients can discard the interrupted turn's tokens."
+          },
           "timestamp": {
             "type": "number",
             "description": "This is the timestamp of the message."
@@ -60455,6 +60463,10 @@
               "model-output"
             ]
           },
+          "turnId": {
+            "type": "string",
+            "description": "This is the unique identifier for the current LLM turn. All tokens from the same\nLLM response share the same turnId. Use this to group tokens and discard on interruption."
+          },
           "timestamp": {
             "type": "number",
             "description": "This is the timestamp of the message."
@@ -61958,6 +61970,10 @@
               "user-interrupted"
             ]
           },
+          "turnId": {
+            "type": "string",
+            "description": "This is the turnId of the LLM response that was interrupted. Matches the turnId\non model-output messages so clients can discard the interrupted turn's tokens."
+          },
           "timestamp": {
             "type": "number",
             "description": "This is the timestamp of the message."