refactor(cli): ♻️ Introduce helper function to resolve CLI script paths and standardize path resolution across scripts

Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>

bin/rclaude

@@ -31,6 +31,19 @@ set -eu
 # Helpers
 # ---------------------------------------------------------------------------
 
+# Resolve $0 to its real path, correctly handling relative symlinks at each hop.
+resolve_self() {
+    _rs=$0
+    while [ -L "$_rs" ]; do
+        _link=$(readlink "$_rs")
+        case "$_link" in
+            /*) _rs="$_link" ;;
+            *)  _rs="$(dirname "$_rs")/$_link" ;;
+        esac
+    done
+    printf '%s' "$_rs"
+}
+
 is_local() {
     case $1 in
         local|localhost|127.0.0.1|::1) return 0 ;;
@@ -66,8 +79,7 @@ list_tmux_on() {
 #   <host>\tdisk\t<cwd>\t<sessions=N, last used <relative-time>>
 list_disk_on() {
     _host=$1
-    _self=$0; while [ -L "$_self" ]; do _self=$(readlink "$_self"); done
-    _helper_dir=$(dirname "$_self")
+    _helper_dir=$(dirname "$(resolve_self)")
     if is_local "$_host"; then
         _raw=$("$_helper_dir/_claude-projects" 2>/dev/null || true)
     else
@@ -167,9 +179,7 @@ cmd_resume() {
 # ---------------------------------------------------------------------------
 
 cmd_version() {
-    # Resolve symlink → real script → repo root.
-    _self=$0
-    while [ -L "$_self" ]; do _self=$(readlink "$_self"); done
+    _self=$(resolve_self)
     _repo=$(cd "$(dirname "$_self")/.." 2>/dev/null && pwd)
     if [ -d "$_repo/.git" ] && command -v git >/dev/null 2>&1; then
         _sha=$(git -C "$_repo" rev-parse --short HEAD 2>/dev/null)