pwa and mobile client

shared/src/schemas.ts

@@ -9,6 +9,13 @@ export const cardFieldsSchema = z.object({
   color: colorSchema,
   code: z.string().min(1, 'Code is required').max(4000),
   codeType: z.enum(CODE_TYPES),
+  // Free text, may be multiline. No default: partial updates must not clear it.
+  // Multipart forms send CRLF line breaks: store plain LF.
+  comment: z
+    .string()
+    .transform((s) => s.replace(/\r\n?/g, '\n').trim())
+    .pipe(z.string().max(2000, 'Comment is too long (max 2000 characters)'))
+    .optional(),
 });
 export type CardFields = z.infer<typeof cardFieldsSchema>;