cross-squad

帮助代理在多个 Squad 实例间发现、共享上下文并无紧耦合地交接工作。

解决不同 Squad（比如 platform、frontend、data）之间如何发现彼此、共享上下文和无强耦合地交接工作的需要，帮代理找到需要别人参与的任务并传递必要信息。适用于跨团队协作、需要把工作拆到其他代码库或团队时，减少重复沟通和误解。特点是提供不强绑定的发现与交接流程，避免造成高度耦合的依赖网。

## Context
When an organization runs multiple Squad instances (e.g., platform-squad, frontend-squad, data-squad), those squads need to discover each other, share context, and hand off work across repository boundaries. This skill teaches agents how to coordinate across squads without creating tight coupling.

Cross-squad orchestration applies when:
- A task requires capabilities owned by another squad
- An architectural decision affects multiple squads
- A feature spans multiple repositories with different squads
- A squad needs to request infrastructure, tooling, or support from another squad

## Patterns

### Discovery via Manifest
Each squad publishes a `.squad/manifest.json` declaring it