feat(providers): Add Anthropic extended thinking and adapt providers to new streaming/file APIs; bump dependencies and update docs, tests and configuration

ts/provider.openai.ts

@@ -1,6 +1,7 @@
 import * as plugins from './plugins.js';
 import * as paths from './paths.js';
 import { Readable } from 'stream';
+import { toFile } from 'openai';
 
 // Custom type definition for chat completion messages
 export type TChatCompletionRequestMessage = { 
@@ -405,16 +406,19 @@ export class OpenAiProvider extends MultiModalModel {
     const model = optionsArg.model || this.options.imageModel || 'gpt-image-1';
 
     try {
+      // Convert Buffer to uploadable file format for OpenAI API
+      const imageFile = await toFile(optionsArg.image, 'image.png', { type: 'image/png' });
+
       const requestParams: any = {
         model,
-        image: optionsArg.image,
+        image: imageFile,
         prompt: optionsArg.prompt,
         n: optionsArg.n || 1,
       };
 
-      // Add mask if provided
+      // Add mask if provided (also convert to file format)
       if (optionsArg.mask) {
-        requestParams.mask = optionsArg.mask;
+        requestParams.mask = await toFile(optionsArg.mask, 'mask.png', { type: 'image/png' });
       }
 
       // Add gpt-image-1 specific parameters