AGENTS.md@packages/machine-ops git:20261103.989d9aeA

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# packages/machine-ops

`@code-yeongyu/senpi-machine-ops`: the engine-free operation layer shared by senpi's built-in tools
(`packages/coding-agent/src/core/tools/machine.ts`) and remote machine executors.

## RULES

- Import only `node:*`, `bun:*`, `@earendil-works/pi-pty` and this package's own files. `test/dependency-boundary.test.ts`
  enforces it; never import from `packages/agent` or `packages/coding-agent`.
- No concurrency cap anywhere. Ordering exists only where semantics need it: one canonical path's mutations
  (`files/mutation-queue.ts`) and one handle's input.
- Filesystem and spawn errors pass through unchanged so the tools keep their exact error text; errors the layer
  raises itself are `MachineOpError` with a code.
- Every behaviour change needs a case in `test/conformance/`, the suite other consumers run.

## VALIDATION

- `bun run --cwd packages/machine-ops test`
- Root `bun run check`