BREAKING CHANGE(vercel-ai-sdk): migrate to Vercel AI SDK v6 and introduce provider registry (getModel) returning LanguageModelV3

ts_vision/index.ts

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+import * as plugins from './plugins.js';
+import type { LanguageModelV3 } from '@ai-sdk/provider';
+
+export interface IVisionOptions {
+  model: LanguageModelV3;
+  image: Buffer | Uint8Array;
+  prompt: string;
+  mediaType?: 'image/jpeg' | 'image/png' | 'image/webp' | 'image/gif';
+}
+
+export async function analyzeImage(options: IVisionOptions): Promise<string> {
+  const result = await plugins.generateText({
+    model: options.model,
+    messages: [
+      {
+        role: 'user',
+        content: [
+          { type: 'text', text: options.prompt },
+          {
+            type: 'image',
+            image: options.image,
+            mediaType: options.mediaType ?? 'image/jpeg',
+          },
+        ],
+      },
+    ],
+  });
+  return result.text;
+}

ts_vision/plugins.ts

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+import { generateText } from 'ai';
+export { generateText };