Function pinnedTodoStreamEvents

src/browser/stores/WorkspaceStore.test.ts:309–369

* Build the canonical 4-event "todo-write inside a stream" sequence used by * pinned-todo tests. Pass a terminator to choose between stream-end / stream-abort.

(
  workspaceId: string,
  todos: TodoItem[],
  terminator: StreamTerminator
)

 * pinned-todo tests. Pass a terminator to choose between stream-end / stream-abort.
 */
function pinnedTodoStreamEvents(
  workspaceId: string,
  todos: TodoItem[],
  terminator: StreamTerminator
): WorkspaceChatMessage[] {
  const messageId = terminator.messageId;
  const toolCallId = `${messageId}-todo-write`;
  const events: WorkspaceChatMessage[] = [
    {
      type: "stream-start",
      workspaceId,
      messageId,
      historySequence: 1,
      model: "claude-sonnet-4",
      startTime: 1_000,
    },
    {
      type: "tool-call-start",
      workspaceId,
      messageId,
      toolCallId,
      toolName: "todo_write",
      args: { todos },
      tokens: 10,
      timestamp: 1_001,
    },
    {
      type: "tool-call-end",
      workspaceId,
      messageId,
      toolCallId,
      toolName: "todo_write",
      result: { success: true },
      timestamp: 1_002,
    },
  ];

  if (terminator.kind === "stream-end") {
    events.push({
      type: "stream-end",
      workspaceId,
      messageId,
      metadata: {
        model: terminator.model,
        historySequence: 1,
        timestamp: 1_003,
      },
      parts: [],
    });
  } else {
    events.push({
      type: "stream-abort",
      workspaceId,
      messageId,
      abortReason: "user",
      metadata: {},
    });
  }