fix(archsetup): code cleanup and style fixes

- Remove commented-out reflector code (timer handles updates)
- Fix arithmetic expressions (remove unnecessary inner $)
- Simplify file truncation (: > instead of cat /dev/null >)
- Fix Xorg heredoc indentation
- Add shellcheck bulk cleanup as priority D task

1 files changed, 7 insertions, 0 deletions

diff --git a/todo.org b/todo.org
index 8a7cd76..5f5f849 100644
--- a/todo.org
+++ b/todo.org
@@ -655,6 +655,13 @@ Steps:
 
 Reference: Removed from archsetup on 2025-11-15
 
+*** TODO [#D] Bulk shellcheck cleanup
+Reviewed 2026-01-24: ~128 warnings, mostly acceptable patterns or low-priority style issues.
+- SC2024 (sudo redirects) - acceptable, script runs as root
+- SC2174 (mkdir -p -m) - reviewed, not a practical issue
+- Various quoting warnings - high-priority ones already fixed
+Run =shellcheck archsetup= periodically to check for new issues, but bulk cleanup is low priority.
+
 ** Method 6: Add Wayland/Hyprland Desktop Alternative
 
 Currently archsetup installs only Xorg with DWM. This method adds a Wayland-based alternative using Hyprland that preserves the same workflow and keybindings while modernizing the graphics stack.