宜博 / lemonboss

- Updated `GET /api/agent/:agentId/info` to include heartbeat and cron configurations.
- Added `PUT /api/agent/:agentId/heartbeat` to update config.json and toggle service heartbeat on the fly.
- Added `PUT /api/agent/:agentId/cron` to update cron.json list.
- Updated AgentChat.vue detail panel UI to include interactive heartbeat toggles and a cron job management list.

- Updated `POST /api/company/create` to create an empty shell without bootstrapping CXO/HR automatically.
- Updated `master/agent.md` instructions so Master Agent handles all Template library hirings.
- Renamed 'MasterBot' navigation link to 'System Agents'.
- Updated AgentChat sidebar to only show System Agents when accessed via the System Agents link.

- 移除了 master/agent.md 中关于自动部署 CEO/CTO/COO/HR 的错误硬编码约定
- 更新了 master/tools.md 工作流，明确 Master 第一步需手动 hire CEO 并派发战略指令
- 清理了 templates/ceo 下自带的、绑定具体公司的 plan.md 和 todo.md 假数据模板，确保 CEO 诞生时是一张白纸