Function waitForPicker

e2e/restart-recovery.ts:74–146

(
  parentTs: string,
  expectedEventType: string,
)

const wait = (ms: number) => new Promise((r) => setTimeout(r, ms));

async function waitForPicker(
  parentTs: string,
  expectedEventType: string,
): Promise<{
  ts: string;
  buttons: Array<{ action_id: string; value: string; text: string }>;
  metadata: { event_type?: string; event_payload?: Record<string, unknown> };
}> {
  const t0 = Date.now();
  while (Date.now() - t0 < 30_000) {
    await wait(1500);
    const r = await threadReplies(TEST_CHANNEL, parentTs, true);
    const picker = r.find((m) => {
      const md = (m as { metadata?: { event_type?: string } }).metadata;
      return m.user === BOT_USER_ID && md?.event_type === expectedEventType;
    }) as
      | {
          ts?: string;
          blocks?: Array<Record<string, unknown>>;
          metadata?: {
            event_type?: string;
            event_payload?: Record<string, unknown>;
          };
        }
      | undefined;
    if (!picker) continue;
    const buttons: Array<{ action_id: string; value: string; text: string }> =
      [];
    // confirm_write wraps its blocks in a colored attachment, so the action
    // buttons live under attachments[].blocks; older pickers use top-level
    // blocks. Scan both.
    const pickerAtt = (
      picker as {
        attachments?: Array<{ blocks?: Array<Record<string, unknown>> }>;
      }
    ).attachments;
    const allBlocks = [
      ...(picker.blocks ?? []),
      ...(pickerAtt ?? []).flatMap((a) => a.blocks ?? []),
    ];
    for (const b of allBlocks) {
      if (
        b.type === "actions" &&
        Array.isArray((b as { elements?: unknown[] }).elements)
      ) {
        for (const el of (
          b as {
            elements: Array<{
              type?: string;
              action_id?: string;
              value?: string;
              text?: { text?: string };
            }>;
          }
        ).elements) {
          if (el.type === "button" && el.action_id && el.value) {
            buttons.push({
              action_id: el.action_id,