refactor(dotfiles): rename system/ to common/ and remove unused configs

Rename dotfiles/system to dotfiles/common for clarity - indicates
shared dotfiles used across all desktop environments (DWM, Hyprland).

Removed config directories for uninstalled applications:
- ghostty (using different terminal)
- lf (using ranger instead)
- mopidy (using mpd instead)
- nitrogen (X11-only, obsolete for Wayland)
- pychess (not installed)
- JetBrains (not installed via archsetup)
- youtube-dl (using yt-dlp with different config location)

Kept audacious config for potential future use.

Updated all references in archsetup, CLAUDE.md, todo.org, and
validation.sh.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/dotfiles/common/.local/bin/linkhandler b/dotfiles/common/.local/bin/linkhandler
new file mode 100755
index 0000000..cc971fc
--- /dev/null
+++ b/dotfiles/common/.local/bin/linkhandler
@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Feed script a url or file location.
+# If an image, it will view in sxiv,
+# if a video or gif, it will view in mpv
+# if a music file or pdf, it will download,
+# otherwise it opens link in browser.
+
+if [ -z "$1" ]; then
+	url="$(xclip -o)"
+else
+	url="$1"
+fi
+
+case "$url" in
+	*mkv|*webm|*mp4|*youtube.com/watch*|*youtube.com/playlist*|*youtu.be*|*hooktube.com*|*bitchute.com*|*videos.lukesmith.xyz*|*odysee.com*)
+		setsid -f mpv -quiet "$url" >/dev/null 2>&1 ;;
+	*png|*jpg|*jpe|*jpeg|*gif)
+		curl -sL "$url" > "/tmp/$(echo "$url" | sed "s/.*\///;s/%20/ /g")" && sxiv -a "/tmp/$(echo "$url" | sed "s/.*\///;s/%20/ /g")"  >/dev/null 2>&1 & ;;
+	*pdf|*cbz|*cbr)
+		curl -sL "$url" > "/tmp/$(echo "$url" | sed "s/.*\///;s/%20/ /g")" && zathura "/tmp/$(echo "$url" | sed "s/.*\///;s/%20/ /g")"  >/dev/null 2>&1 & ;;
+	*mp3|*flac|*opus|*mp3?source*)
+		qndl "$url" 'curl -LO'  >/dev/null 2>&1 ;;
+	*)
+		[ -f "$url" ] && setsid -f "$TERMINAL" -e "$EDITOR" "$url" >/dev/null 2>&1 || setsid -f "$BROWSER" "$url" >/dev/null 2>&1
+esac