Restore multimodal content to chat_completions

Author: jdreamerz

openapi.yaml

@@ -1965,14 +1965,85 @@ components:
       required: [content, role]
       properties:
         content:
-          type: string
-          # TODO: more comple content?
+          $ref: '#/components/schemas/ChatCompletionMixedContent'
         role:
           type: string
           enum: ['user']
         name:
           type: string
 
+    ChatCompletionMixedContent:
+      description: The content of the message, which can either be a simple string or a structured format.
+      oneOf:
+        - $ref: '#/components/schemas/ChatCompletionContentText'
+        - $ref: '#/components/schemas/ChatCompletionContentArray'
+
+    ChatCompletionContentText:
+      type: string
+      description: A plain text message.
+
+    ChatCompletionContentArray:
+      type: array
+      description: A structured message with mixed content types.
+      items:
+        $ref: '#/components/schemas/ChatCompletionContentItem'
+
+    ChatCompletionContentItem:
+      type: object
+      oneOf:
+        - $ref: '#/components/schemas/ChatCompletionContentItemText'
+        - $ref: '#/components/schemas/ChatCompletionContentItemImageUrl'
+        - $ref: '#/components/schemas/ChatCompletionContentItemVideoUrl'
+
+    ChatCompletionContentItemText:
+      type: object
+      properties:
+        type:
+          type: string
+          enum:
+            - text
+        text:
+          type: string
+      required:
+        - type
+        - text
+
+    ChatCompletionContentItemImageUrl:
+      type: object
+      properties:
+        type:
+          type: string
+          enum:
+            - image_url
+        image_url:
+          type: object
+          properties:
+            url:
+              type: string
+              description: The URL of the image
+          required:
+            - url
+
+    ChatCompletionContentItemVideoUrl:
+      type: object
+      title: Video
+      properties:
+        type:
+          type: string
+          enum:
+            - video_url
+        video_url:
+          type: object
+          properties:
+            url:
+              type: string
+              description: The URL of the video
+          required:
+            - url
+      required:
+        - type
+        - video_url
+
     ChatCompletionAssistantMessageParam:
       type: object
       required: [role]