Fix SSH target parsing bug in deploy.sh

- Redirect select UI output to stderr to prevent multiline capture
- Only SSH target goes to stdout for clean variable assignment
- Fixes 'invalid user name' error from corrupted ssh_target variable
- SSH connection now works properly like manual ssh command

🤖 Generated with [Claude Code](https://claude.ai/code)

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

deploy.sh

@@ -50,20 +50,19 @@ get_deployable_scripts() {
   printf '%s\n' "${scripts[@]}" | sort
 }
 
-# Einfache Server-Auswahl
+# Einfache Server-Auswahl (nur Target zurückgeben)
 select_server() {
-  echo "=== Server-Auswahl ==="
   local servers=("web" "mx" "logger" "support")
   local server
   
-  select server in "${servers[@]}"; do
-    [[ -n "$server" ]] || { echo "Ungültige Auswahl"; continue; }
+  select server in "${servers[@]}" >&2; do
+    [[ -n "$server" ]] || { echo "Ungültige Auswahl" >&2; continue; }
     
     case "$server" in
       web|mx)
-        echo -n "Server-Nummer eingeben: "
+        echo -n "Server-Nummer eingeben: " >&2
         read -r number
-        [[ "$number" =~ ^[0-9]+$ ]] || { echo "Ungültige Nummer"; continue; }
+        [[ "$number" =~ ^[0-9]+$ ]] || { echo "Ungültige Nummer" >&2; continue; }
         echo "${LUSER}@${server}${number}.in.easyname.com"
         return 0
         ;;
@@ -182,6 +181,7 @@ main() {
   done
   
   # Server-Auswahl
+  echo "=== Server-Auswahl ==="
   local ssh_target
   ssh_target=$(select_server)