feat: add verified VIP98K multi-image models

lib/ai/providers/vip98k.ts

@@ -1427,6 +1427,7 @@ function buildTaskBody(params: Vip98kTaskParams, invocation: Vip98kInvocation |
     videoParams.resolution || imageParams.size || imageParams.imageSize || "",
   ).trim();
   const negativePrompt = String(videoParams.negativePrompt || imageParams.negativePrompt || "").trim();
+  const quality = String(imageParams.quality || "").trim().toLowerCase();
   const outputConstraintFallbacks: string[] = [];
   let hasNativeAspectRatio = false;
   let hasNativeResolution = false;
@@ -1481,6 +1482,9 @@ function buildTaskBody(params: Vip98kTaskParams, invocation: Vip98kInvocation |
     if ("negativePrompt" in body || !invocation) body.negativePrompt = negativePrompt;
     if ("negative_prompt" in body || !invocation) body.negative_prompt = negativePrompt;
   }
+  if (quality && invocationSupportsBodyField(invocation, "quality")) {
+    body.quality = quality;
+  }
   const imageToolParamAliases = [
     ["scaleFactor", "scale_factor"],
     ["xScale", "x_scale"],

lib/ai/vip98k-models.ts

@@ -185,6 +185,8 @@ const VERIFIED_2026_IMAGE_MODEL_PATTERNS = [
   /^nano-banana-fast$/,
   /^nano-banana-pro$/,
   /^gpt-image-2(?:$|[-/])/,
+  /^gpt-image-2\.5$/,
+  /^gpt-image-2\.5-flare$/,
   /^alibaba\/wan-2\.(?:6|7)(?:$|[-/])/,
   /^black-forest-labs\/flux-2(?:$|[-/])/,
   /^bytedance\/seedream-v5(?:$|[.\-/])/,
@@ -689,6 +691,7 @@ function createImagePreset(
     "ratio",
     "aspect-ratio",
   ].some((key) => invocationKeys.has(key)) || supportsNativeSize;
+  const supportsQuality = invocationKeys.has("quality");
   const supportedModes = [
     ...(capabilities.includes("text-to-image") || capabilities.length === 0
       ? ["text-to-image"]
@@ -738,6 +741,7 @@ function createImagePreset(
       taskApi: "external-task",
       supportedModes,
       ...(supportsNativeSize ? { imageSize: defaultImageSize } : {}),
+      ...(supportsQuality ? { quality: "auto" } : {}),
       aspectRatio: "auto",
       imageCount: 1,
     },
@@ -745,6 +749,7 @@ function createImagePreset(
       maxImages: 1,
       maxReferenceImages,
       supportsSize: supportsNativeSize,
+      supportsQuality,
       supports1K: supportsNativeSize && supportedImageSizes.includes("1K"),
       supports2K: supportsNativeSize && supportedImageSizes.includes("2K"),
       supports4K: supportsNativeSize && supportedImageSizes.includes("4K"),

lib/ai/vip98k-reference-staging.ts

@@ -99,14 +99,15 @@ export function getVip98kSubmissionRetryDelay(params: {
   maxAttempts: number;
   retryAfterMs?: number | null;
 }) {
+  const recoverableGatewayFailure = params.status === 502 || params.status === 504;
   const recoverableSubmission =
     /pending\s+safe\s+reconciliation/i.test(params.message) ||
     /request\s+outcome\s+(?:is\s+)?unknown/i.test(params.message) ||
     /final\s+outcome\s+could\s+not\s+be\s+confirmed/i.test(params.message);
   if (
-    params.status !== 503 ||
     params.attempt >= params.maxAttempts ||
-    !recoverableSubmission
+    (!recoverableGatewayFailure &&
+      (params.status !== 503 || !recoverableSubmission))
   ) {
     return null;
   }

tests/routes/vip98k-reference-routing.test.ts

@@ -193,6 +193,23 @@ test.describe("VIP98K reference-image routing", () => {
         maxAttempts: 3,
       }),
     ).toBeNull();
+    expect(
+      getVip98kSubmissionRetryDelay({
+        status: 502,
+        message: "Bad Gateway",
+        attempt: 1,
+        maxAttempts: 3,
+      }),
+    ).toBe(15_000);
+    expect(
+      getVip98kSubmissionRetryDelay({
+        status: 504,
+        message: "Gateway Timeout",
+        attempt: 2,
+        maxAttempts: 3,
+        retryAfterMs: 6_000,
+      }),
+    ).toBe(6_000);
   });
 
   test("shows the newly published Nano Banana Pro image editor", () => {
@@ -523,6 +540,72 @@ test.describe("VIP98K reference-image routing", () => {
     });
   });
 
+  test("publishes only the verified GPT Image 2.5 multi-image variants", () => {
+    const models = [
+      "gpt-image-2.5",
+      "gpt-image-2.5-flare",
+      "gpt-image-2.5-sunburst",
+    ].map((modelId) => ({
+      id: modelId,
+      type: "image",
+      capabilities: ["image_to_image", "openai.images.generations"],
+      invocation: {
+        kind: "tool",
+        method: "POST",
+        path: "/v1/images/generations",
+        content_type: "application/json",
+        request_example: {
+          image: ["https://api.vip98k.com/logo.png"],
+          model: modelId,
+          n: 1,
+          prompt: "Edit",
+          quality: "auto",
+          stream: false,
+        },
+      },
+    }));
+
+    expect(models.map((model) => isVip98kImageModelVisible(model))).toEqual([
+      true,
+      true,
+      false,
+    ]);
+
+    const presets = buildVip98kModelPresets(models);
+    expect(
+      presets.map((preset) => ({
+        modelId: preset.modelId,
+        isHidden: preset.isHidden,
+        supportsQuality: preset.imageGenConfig?.supportsQuality,
+        quality: preset.defaultParams.quality,
+        supportedAspectRatios:
+          preset.imageGenConfig?.supportedAspectRatios,
+      })),
+    ).toEqual([
+      {
+        modelId: "gpt-image-2.5",
+        isHidden: false,
+        supportsQuality: true,
+        quality: "auto",
+        supportedAspectRatios: ["auto"],
+      },
+      {
+        modelId: "gpt-image-2.5-flare",
+        isHidden: false,
+        supportsQuality: true,
+        quality: "auto",
+        supportedAspectRatios: ["auto"],
+      },
+      {
+        modelId: "gpt-image-2.5-sunburst",
+        isHidden: true,
+        supportsQuality: true,
+        quality: "auto",
+        supportedAspectRatios: ["auto"],
+      },
+    ]);
+  });
+
   test("does not inherit multi-image support from broad authorized metadata", () => {
     const presets = buildVip98kModelPresets([
       {