Function startTool

packages/opencode-atomic-hooks/src/session.ts:215–218

(id: string, callId: string, now?: number)

  }

  function startTool(id: string, callId: string, now?: number): void {
    const session = get(id)
    session.toolStartTimes.set(callId, now ?? Date.now())
  }

  function endTool(id: string, callId: string, now?: number): number | undefined {
    const session = sessions.get(id)