refactor(models): unify preset names

webui/src/components/thread/ModelPresetBadge.tsx

@@ -14,7 +14,6 @@ import { cn } from "@/lib/utils";
 
 export interface ModelPresetOption {
   name: string;
-  label: string;
   model?: string | null;
   provider?: string | null;
 }
@@ -99,7 +98,6 @@ export function ModelPresetBadge({
   const activePreset: ModelPresetOption = {
     ...(listedIndex >= 0 ? modelPresets[listedIndex] : undefined),
     name: activeName,
-    label: label || modelPresets[listedIndex]?.label || activeName,
     model: modelDetail ?? modelPresets[listedIndex]?.model,
     provider: provider || modelPresets[listedIndex]?.provider,
   };
@@ -225,7 +223,7 @@ export function ModelPresetBadge({
       aria-valuemax={canSwitch ? presets.length - 1 : undefined}
       aria-valuemin={canSwitch ? 0 : undefined}
       aria-valuenow={canSwitch ? previewIndex : undefined}
-      aria-valuetext={canSwitch ? previewPreset?.label || label : undefined}
+      aria-valuetext={canSwitch ? previewPreset?.name || label : undefined}
       role={canSwitch ? "spinbutton" : undefined}
       type={interactive || canSwitch ? "button" : undefined}
       onClick={interactive ? onClick : undefined}
@@ -290,7 +288,7 @@ export function ModelPresetBadge({
               return (
                 <PresetPill
                   key={virtualIndex}
-                  label={preset.label || preset.name}
+                  label={preset.name}
                   modelDetail={preset.model}
                   provider={preset.provider}
                   isHero={isHero}

webui/src/components/thread/ThreadShell.tsx

@@ -378,7 +378,11 @@ function toModelBadgeInfo(
   const model = scopedPreset
     ? preset?.model || null
     : settings?.agent.model || modelName || null;
-  const label = preset?.label?.trim() || scopedPreset || toModelBadgeLabel(model);
+  const label = preset
+    ? preset.is_default
+      ? preset.label?.trim() || "Default"
+      : preset.name.trim()
+    : scopedPreset || toModelBadgeLabel(model);
   const rawProvider = preset?.provider
     || (!scopedPreset ? settings?.agent.provider : null)
     || null;
@@ -419,7 +423,6 @@ function modelPresetOptionsFromSettings(
       const name = preset.name.trim();
       return {
         name,
-        label: preset.label?.trim() || name,
         model: preset.model,
         provider: preset.resolved_provider || preset.provider,
       };