fix(quota): 配额表单整体替换，留空即不限、0 即不给、负数和越界拒收，超配额的服务器仍可调小

panel/src/lib/api.ts

@@ -1146,6 +1146,8 @@ export function humanizeError(e: unknown): string {
       return t("no_migration");
     case "not_confirmed":
       return t("not_confirmed");
+    case "invalid_quota":
+      return t("invalid_quota");
     case "already_confirmed":
       return t("already_confirmed");
     case "invalid_target":