feat(email): render shop logo inside WYSIWYG editor (cid swap)

app/routes/app.settings.tsx

@@ -44,6 +44,9 @@ export const loader = async ({ request }: LoaderFunctionArgs) => {
     if (cached) {
       logoPreviewDataUrl = `data:${cached.contentType};base64,${Buffer.from(cached.bytes).toString("base64")}`;
     }
+  } else if (settings.logoUrl) {
+    // External HTTPS URL — fine to display directly in the editor.
+    logoPreviewDataUrl = settings.logoUrl;
   }
   return { settings, logoPreviewDataUrl };
 };
@@ -391,6 +394,7 @@ export default function SettingsRoute() {
               defaultValue={settings.emailBodyHtmlDe || DEFAULT_EMAIL_BODY_DE}
               variables={EMAIL_VARS}
               minHeight={220}
+              logoDataUrl={logoPreviewDataUrl}
             />
 
             <Field
@@ -405,6 +409,7 @@ export default function SettingsRoute() {
               defaultValue={settings.emailBodyHtmlEn || DEFAULT_EMAIL_BODY_EN}
               variables={EMAIL_VARS}
               minHeight={220}
+              logoDataUrl={logoPreviewDataUrl}
             />
           </s-stack>
         </s-section>