src/api/modelCapabilitiesClient.ts

@@ -38,9 +38,14 @@ function normalizeModelOption(raw: unknown): ModelCapabilityOption | null {
   const enabled = raw.enabled === undefined ? status !== "maintenance" && status !== "disabled" : Boolean(raw.enabled);
   if (!enabled) return null;
 
+  const label = toStringValue(raw.label ?? raw.displayName ?? raw.display_name ?? raw.name, value);
+
   return {
     value,
-    label: toStringValue(raw.label ?? raw.displayName ?? raw.display_name ?? raw.name, value),
+    label:
+      value === "wan2.7-image-pro"
+        ? label.replace(/\s*4k\b/i, "").trim() || "wan 2.7 Pro"
+        : label,
     description: toStringValue(raw.description) || undefined,
     badge: toStringValue(raw.badge) || undefined,
     enabled,

src/features/workbench/WorkbenchPage.tsx

@@ -81,7 +81,9 @@ import { resolveVideoRequestModel } from "../../utils/resolveVideoModel";
 import { calculateEnterpriseVideoCredits, ENTERPRISE_DEFAULT_VIDEO_MODEL } from "../../utils/enterpriseVideoPolicy";
 import {
   getImageQualityOptions,
+  getImageQualityOptionsForContext,
   getDefaultImageQuality,
+  getDefaultImageQualityForContext,
   getVideoQualityOptions,
   getDefaultVideoQuality,
   getVideoQualityLabel,
@@ -469,7 +471,26 @@ function WorkbenchPage({
     setSidebarCollapsed(!hasSidebarRecords);
   }, [hasSidebarRecords]);
 
-  const imageQualityOptions = useMemo(() => getImageQualityOptions(imageModel), [imageModel]);
+  const hasImageReferences = activeMode === "image" && referenceItems.some((item) => item.kind === "image");
+  const isImageGridMode = activeMode === "image" && imageGridMode !== "single";
+  const imageQualityContext = useMemo(
+    () => ({
+      hasReferenceImages: hasImageReferences,
+      isGridMode: isImageGridMode,
+    }),
+    [hasImageReferences, isImageGridMode],
+  );
+  const imageQualityOptions = useMemo(
+    () => getImageQualityOptionsForContext(imageModel, imageQualityContext),
+    [imageModel, imageQualityContext],
+  );
+  const imageGridModeOptions = useMemo(
+    () =>
+      String(imageModel || "").toLowerCase().startsWith("wan2.7-")
+        ? GRID_MODE_OPTIONS.filter((option) => option.value !== "grid-25")
+        : GRID_MODE_OPTIONS,
+    [imageModel],
+  );
   const videoQualityOptions = getVideoQualityOptions(videoModel);
   const videoQualityLabel = getVideoQualityLabel(videoModel, videoQuality);
 
@@ -1205,9 +1226,15 @@ function WorkbenchPage({
 
   useEffect(() => {
     if (!imageQualityOptions.some((option) => option.value === imageQuality)) {
-      setImageQuality(getDefaultImageQuality(imageModel));
+      setImageQuality(getDefaultImageQualityForContext(imageModel, imageQualityContext));
     }
-  }, [imageModel, imageQuality, imageQualityOptions]);
+  }, [imageModel, imageQuality, imageQualityContext, imageQualityOptions]);
+
+  useEffect(() => {
+    if (!imageGridModeOptions.some((option) => option.value === imageGridMode)) {
+      setImageGridMode("single");
+    }
+  }, [imageGridMode, imageGridModeOptions]);
 
   useEffect(() => {
     if (activeMode !== "video" || videoFrameMode !== "start-end" || referenceItems.length <= 2) return;
@@ -2905,7 +2932,7 @@ function WorkbenchPage({
             <SelectChip
               chipId="image-grid-mode"
               value={imageGridMode}
-              options={GRID_MODE_OPTIONS}
+              options={imageGridModeOptions}
               disabled={disabled}
               isOpen={toolbarMenuId === "image-grid-mode"}
               onToggle={() => toggleToolbarMenu("image-grid-mode")}

src/features/workbench/workbenchConstants.ts

@@ -231,7 +231,7 @@ export const MODE_OPTIONS: WorkbenchOption[] = (Object.keys(MODE_META) as Workbe
 }));
 
 export const IMAGE_MODEL_OPTIONS: WorkbenchOption[] = [
-  { value: "wan2.7-image-pro", label: "wan 2.7 Pro 4K" },
+  { value: "wan2.7-image-pro", label: "wan 2.7 Pro" },
   { value: "wan2.7-image", label: "wan 2.7" },
   { value: "gpt-image-2", label: "omni-GPT" },
   { value: "gpt-image-2-vip", label: "omni-GPT VIP" },

src/utils/modelOptions.ts

@@ -25,11 +25,30 @@ export function getImageQualityOptions(model: string): CanvasOption[] {
     : imageQualityOptions.filter((option) => option.value !== "4K");
 }
 
+export function getImageQualityOptionsForContext(
+  model: string,
+  context?: { hasReferenceImages?: boolean; isGridMode?: boolean },
+): CanvasOption[] {
+  const options = getImageQualityOptions(model);
+  const shouldLimitTo2K =
+    String(model || "").toLowerCase() === "wan2.7-image-pro" &&
+    (context?.hasReferenceImages || context?.isGridMode);
+  return shouldLimitTo2K ? options.filter((option) => option.value !== "4K") : options;
+}
+
 export function getDefaultImageQuality(model: string): string {
   const options = getImageQualityOptions(model);
   return options.some((option) => option.value === "2K") ? "2K" : options[0]?.value || "1K";
 }
 
+export function getDefaultImageQualityForContext(
+  model: string,
+  context?: { hasReferenceImages?: boolean; isGridMode?: boolean },
+): string {
+  const options = getImageQualityOptionsForContext(model, context);
+  return options.some((option) => option.value === "2K") ? "2K" : options[0]?.value || "1K";
+}
+
 // ─── Video quality ────────────────────────────────────────────────────────────
 
 function normalizeVideoModel(model: string): string {