Add sync script to repo

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

sync.sh

@@ -0,0 +1,22 @@
+#!/bin/zsh
+# Claude Code config sync script
+# Pulls remote changes, commits local changes, and pushes
+
+CLAUDE_DIR="$HOME/.claude"
+cd "$CLAUDE_DIR" || exit 1
+
+# Pull remote changes first (rebase to keep history clean)
+git pull --rebase --quiet 2>/dev/null
+
+# Stage syncable files
+git add -A .
+
+# Check if there are changes to commit
+if ! git diff --cached --quiet; then
+    git commit -m "Auto-sync $(hostname -s) $(date +%Y-%m-%d\ %H:%M)" --quiet
+fi
+
+# Push if we have commits ahead of remote
+if git status | grep -q "ahead"; then
+    git push --quiet
+fi