docs: update require section

docs/openapi/jan.yaml

@@ -189,7 +189,7 @@ paths:
       summary: Create thread
       description: Create a thread
       requestBody:
-        required: true
+        required: false
         content:
           application/json:
             schema:
@@ -296,7 +296,7 @@ paths:
             example: thread_abc123
           description: The ID of the thread to be modified.
       requestBody:
-        required: true
+        required: false
         content:
           application/json:
             schema:
@@ -307,8 +307,6 @@ paths:
                   description: "Set of messages to update in the thread."
                   items:
                     $ref: 'specs/threads.yaml#/components/schemas/ThreadMessageObject'
-              required:
-                - messages
       responses:
         "200":
           description: Thread modified successfully

docs/openapi/specs/threads.yaml

@@ -116,9 +116,6 @@ components:
           items:
             type: string
           description: "Array of file IDs associated with the message, if any."
-      required:
-        - role
-        - content
 
     ModifyThreadResponse:
       type: object