Function killTeammate

src/components/teams/TeamsDialog.tsx:547–604

(paneId: string, backendType: PaneBackendType | undefined, teamName: string, teammateId: string, teammateName: string, setAppState: (f: (prev: AppState) => AppState) => void)

  return !prev;
}
async function killTeammate(paneId: string, backendType: PaneBackendType | undefined, teamName: string, teammateId: string, teammateName: string, setAppState: (f: (prev: AppState) => AppState) => void): Promise<void> {
  // Kill the pane using the backend that created it (handles -s / -L flags correctly).
  // Wrapped in try/catch so cleanup (removeMemberFromTeam, unassignTeammateTasks,
  // setAppState) always runs — matches useInboxPoller.ts error isolation.
  if (backendType) {
    try {
      // Use ensureBackendsRegistered (not detectAndGetBackend) — this process may
      // be a teammate that never ran detection, but we only need class imports
      // here, not subprocess probes that could throw in a different environment.
      await ensureBackendsRegistered();
      await getBackendByType(backendType).killPane(paneId, !isInsideTmuxSync());
    } catch (error) {
      logForDebugging(`[TeamsDialog] Failed to kill pane ${paneId}: ${error}`);
    }
  } else {
    // backendType undefined: old team files predating this field, or in-process.
    // Old tmux-file case is a migration gap — the pane is orphaned. In-process
    // teammates have no pane to kill, so this is correct for them.
    logForDebugging(`[TeamsDialog] Skipping pane kill for ${paneId}: no backendType recorded`);
  }
  // Remove from team config file
  removeMemberFromTeam(teamName, paneId);

  // Unassign tasks and build notification message
  const {
    notificationMessage
  } = await unassignTeammateTasks(teamName, teammateId, teammateName, 'terminated');

  // Update AppState to keep status line in sync and notify the lead
  setAppState(prev => {
    if (!prev.teamContext?.teammates) return prev;
    if (!(teammateId in prev.teamContext.teammates)) return prev;
    const {
      [teammateId]: _,
      ...remainingTeammates
    } = prev.teamContext.teammates;
    return {
      ...prev,
      teamContext: {
        ...prev.teamContext,
        teammates: remainingTeammates
      },
      inbox: {
        messages: [...prev.inbox.messages, {
          id: randomUUID(),
          from: 'system',
          text: jsonStringify({
            type: 'teammate_terminated',
            message: notificationMessage
          }),
          timestamp: new Date().toISOString(),
          status: 'pending' as const
        }]
      }
    };
  });
  logForDebugging(`[TeamsDialog] Removed ${teammateId} from teamContext`);
}