fix: installer web UI 404 and PowerShell banner garbling #421

Job	Run time
check	34s
nix-test (ubuntu-22.04-arm, aarch64-unknown-linux-gnu, dist/pythinker)	1m 19s
release-validate	9s
test (3.12)	8m 57s
test (3.14)	8m 43s
build (ubuntu-22.04-arm, aarch64-unknown-linux-gnu, dist/onefile/pythinker)	2m 35s
build (macos-14, aarch64-apple-darwin, dist/onefile/pythinker)	2m 50s
build (ubuntu-22.04, x86_64-unknown-linux-gnu, dist/onefile/pythinker)	3m 16s
nix-test (ubuntu-22.04, x86_64-unknown-linux-gnu, dist/pythinker)	1m 56s
build (windows-2022, x86_64-pc-windows-msvc, dist/onefile/pythinker.exe)	4m 30s
test (3.13)	8m 47s
nix-test (macos-14, aarch64-apple-darwin, dist/pythinker)	2m 51s
build (windows-2025-vs2026, x86_64-pc-windows-msvc, dist/onefile/pythinker.exe, true)	3m 41s
	50m 8s

Navigation Menu