chore: bump version to v2026.4.307 and refine app title/docker}
- Bump build version from v2026.4.305 to v2026.4.306 across docs and markdown files
- Bump package.json version from v2026.4.306 to v2026.4.307
- Remove version suffix from application title in Application.php
- Move trap handler before service startup in docker-run.sh for proper cleanup
- Remove set -e from docker-run.sh