refactor: unify media understanding pipeline

src/media-understanding/providers/index.ts

@@ -1,10 +1,18 @@
 import { normalizeProviderId } from "../../agents/model-selection.js";
 import type { MediaUnderstandingProvider } from "../types.js";
+import { anthropicProvider } from "./anthropic/index.js";
 import { googleProvider } from "./google/index.js";
 import { groqProvider } from "./groq/index.js";
+import { minimaxProvider } from "./minimax/index.js";
 import { openaiProvider } from "./openai/index.js";
 
-const PROVIDERS: MediaUnderstandingProvider[] = [groqProvider, openaiProvider, googleProvider];
+const PROVIDERS: MediaUnderstandingProvider[] = [
+  groqProvider,
+  openaiProvider,
+  googleProvider,
+  anthropicProvider,
+  minimaxProvider,
+];
 
 export function normalizeMediaProviderId(id: string): string {
   const normalized = normalizeProviderId(id);