# Requirements Snapshot: v1.54 Subprocess Error Diagnostics

## Completed Requirements

- ✓ `REQ-ERR-01`: `AITPService._run()` failure messages include context,
  returncode, and command string
- ✓ `REQ-ERR-02`: `migrate_local_install()` pip-install failures include
  migration context, returncode, and command string
- ✓ `REQ-VERIFY-01`: the milestone closes with subprocess-error contract tests,
  a green maintainability budget, and a green full-suite baseline

## Validation Summary

- subprocess error contract tests
- migrate-local-install regression slice
- maintainability budget green
- full test suite green
