feat(launcher)!: promote to v1.0.0 — bump logz to v1.0.0

All v0.9.0 roadmap items validated in production (reverse-order shutdown, Shutdown
idempotency via sync.Once, OnStop behavior when OnStart was never reached). No
API changes. Bumps logz dependency from v0.9.0 to v1.0.0. API committed as stable.

CHANGELOG.md

@@ -5,6 +5,19 @@ All notable changes to this module will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this module adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.0.0] — 2026-05-12
+
+### Changed
+
+- `logz` dependency bumped from v0.9.0 to v1.0.0.
+
+### Unchanged
+
+All existing API (`Component`, `Hook`, `Options`, `Launcher`, `New`) is
+API-compatible with v0.9.0.
+
+[1.0.0]: https://code.nochebuena.dev/go/launcher/releases/tag/v1.0.0
+
 ## [0.9.0] - 2026-03-18
 
 ### Added