fix: preserve services across actor start

[K-Mistele]

Summary

• retain the Effect service context captured when a local actor is allocated
• run deferred actor lifecycle work with that context and cover the allocation-then-start pattern
• add a pre-push gate for formatting, linting, and typechecking

Validation

• bun run typecheck
• bun run lint
• bun run fmt:check
• bun test