release.yml: add fallback for existing releases on tag re-push.
installer.nsi: add .onInit file lock check, use LaunchApp function
instead of RUN_PARAMETERS to fix NSIS quoting bug.
build-dist.ps1: copy start-hidden.vbs to dist scripts/.
start-hidden.vbs: embedded Python fallback for installed/dev envs.
Update ci-cd.md with version detection, NSIS best practices, local
build testing, Gitea vs GitHub differences, troubleshooting.
Update frontend.md with full entity type checklist and common pitfalls.
- Replace nuget approach (doesn't contain tkinter) with extracting
from the official Python amd64.exe installer using 7z
- Remove MUI_ICON/MUI_UNICON (no .ico file available, use NSIS default)
- Add p7zip-full to CI dependencies
- installer.nsi: per-user install to AppData, Start Menu shortcuts,
optional desktop shortcut and autostart, clean uninstall (preserves
data/), Add/Remove Programs registration
- build-dist-windows.sh: runs makensis after ZIP if available
- release.yml: install nsis in CI, upload both ZIP and setup.exe
- Fix Docker registry login (sed -E for https:// stripping)
