Gen-1+ #5: Native lint via gen-2 driver (replace php bin/compile.php -l)

[PurHur]

Problem

Tier 1 daily compile uses gen-2 argv driver, but fast lint during editing still uses Zend php bin/compile.php -l.

Acceptance

• phpc lint --native or build/bin-compile-aot-inventory --lint for single-file / project lint

• Documented as default for bootstrap contributors in bootstrap-dev-workflow.md

• North-star epic: Epic: Self-host critical path — compiler compiles itself (M3→M5) #1492 · blocks gen-1+ only dev workflow · see docs/bootstrap-dev-workflow.md