v0.14.0

Highlights

• strut <stack> diff — preview env/image changes before a deploy (#34)
• Deploy concurrency locks — local + remote, with stale detection (#36)
• Portable BATS test suite — no more BW01 warnings on macOS (#27)

New commands

strut <stack> diff [--env <name>] [--json]
strut <stack> lock <status|release> [--env <name>] [--force]
strut <stack> deploy [--force-unlock] [--no-lock] ...

Test coverage

836 tests, 0 failures across 60+ files.