add-sdk-mutation

name	add-sdk-mutation
description	Use when adding or changing a Hive blockchain operation in @ecency/sdk and exposing it to the web app, for requests like "add a mutation for recurrent_transfer", "make delegate_rc broadcastable from the UI", or "add a wrapper under api/sdk-mutations".
argument-hint	["operation-name"]

Add SDK Mutation

Layering is in CLAUDE.md under "Mutation Architecture". Copy the real files below.

1. SDK mutation hook

packages/sdk/src/modules/<domain>/mutations/use-<operation>.ts. Operations come from build<Operation>Op helpers in modules/operations/builders/ (add one there if missing, export it from that index.ts).

useBroadcastMutation arguments are positional, in this order: mutationKey, username, operations (sync, returns the op array), onSuccess, auth, authority, options. There is no options object for authority. From packages/sdk/src/modules/wallet/mutations/use-transfer.ts, doc comments removed plus the payload interface condensed to one line:

import { useBroadcastMutation, invalidateAfterBroadcast } from "@/modules/core/mutations";
import type { BroadcastMode } from ;
 {  }  ;
  {  }  ;
 { buildTransferOp }  ;

   { : ; : ; : ; }

  () {
   useBroadcastMutation<>(
    [, ],
    username,
     [
      (username!, payload., payload., payload.)
    ],
     (_result, variables) => {
       (auth?., broadcastMode, [
        ..(username),
        ..(variables.),
        [, , username],
        [, , , username]
      ]);
    },
    auth,
    ,
    { broadcastMode }
  );
}