Harden HDMI recovery and add tested user installer release tooling

CHANGELOG.md

@@ -2,6 +2,22 @@
 
 All notable changes to this project will be documented here.
 
+## 0.2.0 - 2026-09-23
+
+### Fixed
+
+- Session revalidation and Hyprland IPC/output checks before VT switching.
+- Emergency return on catchable signals and failed VT returns.
+- Private runtime directories, lock error handling and configuration validation.
+- Watcher restart on event-stream loss and honest recovery failure logs.
+- Explicit activation, safe update restart, consistent XDG paths and scoped uninstall.
+
+### Added
+
+- Regression tests with mocked hardware/system services and Gitea CI checks.
+- Reproducible committed-source installer archives, source ZIP, Base64 and checksums.
+- Review findings, hardware acceptance notes and Hyprland environment startup hook.
+
 ## 0.1.0 - 2026-09-23
 
 ### Added