fix(ai): update vip98k image task contract

lib/ai/providers/vip98k.ts

@@ -2,7 +2,6 @@ import "server-only";
 
 import { createOpenAI } from "@ai-sdk/openai";
 import sharp from "sharp";
-import { createOpenAIImage } from "@/lib/ai/providers/openai-image";
 import {
   resolveVip98kTaskInvocation,
   type Vip98kTaskInvocation,
@@ -134,25 +133,6 @@ function inferKind(modelId: string, config: Vip98kModelRuntimeConfig) {
   return "chat";
 }
 
-const VIP98K_OPENAI_IMAGE_ALIASES = new Set([
-  "nano-banana-2",
-  "nano-banana-pro",
-  "gpt-image-2-vip",
-]);
-
-function resolveVip98kReferenceModelId(modelId: string) {
-  switch (modelId.trim().toLowerCase()) {
-    case "nano-banana-2":
-      return "google/nano-banana-2/reference-to-image";
-    case "nano-banana-pro":
-      return "google/nano-banana-pro/edit";
-    case "gpt-image-2-vip":
-      return "openai/gpt-image-2/edit";
-    default:
-      return modelId;
-  }
-}
-
 function delay(ms: number) {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }
@@ -838,11 +818,6 @@ export function createVip98k({ apiKey, baseURL }: Vip98kConfig) {
     apiKey,
     baseURL: openAIBaseURL,
   });
-  const openAIImageProvider = createOpenAIImage({
-    apiKey,
-    baseURL: openAIBaseURL,
-  });
-
   return {
     provider: "vip98k",
     chat: (modelId: string, defaultModelConfig?: unknown): any => {
@@ -873,25 +848,14 @@ export function createVip98k({ apiKey, baseURL }: Vip98kConfig) {
           if (!activeModelId) throw new Error("VIP98K model ID is not configured");
           const activeKind = inferKind(activeModelId, runtimeConfig);
           const { prompt, imageUrls, videoUrls } = extractPromptAndMedia(options.messages);
-          if (
-            activeKind === "image" &&
-            imageUrls.length === 0 &&
-            VIP98K_OPENAI_IMAGE_ALIASES.has(activeModelId.toLowerCase())
-          ) {
-            return openAIImageProvider.chat(activeModelId).doGenerate(options as any);
-          }
           const [publicImageUrls, publicVideoUrls] = await Promise.all([
             Promise.all(imageUrls.map(ensurePublicMediaUrl)),
             Promise.all(videoUrls.map(ensurePublicMediaUrl)),
           ]);
-          const taskModelId =
-            activeKind === "image" && publicImageUrls.length > 0
-              ? resolveVip98kReferenceModelId(activeModelId)
-              : activeModelId;
           const text = await runTask({
             apiKey,
             baseURL: rootBaseURL,
-            modelId: taskModelId,
+            modelId: activeModelId,
             kind: activeKind,
             prompt,
             imageUrls: publicImageUrls,

lib/ai/vip98k-models.ts

@@ -1014,10 +1014,6 @@ export async function fetchVip98kCatalog(params: {
   if (authorizedModels.length === 0) {
     throw new Error("VIP98K model catalog is empty or has an unsupported response shape");
   }
-  if (publicModels.length === 0) {
-    throw new Error("VIP98K public invocation catalog is empty");
-  }
-
   const publicById = new Map(
     publicModels.map((model) => [getModelId(model).toLowerCase(), model]),
   );