feat: WezTerm-Unterstützung in toolbox (open_new_tab)

bin/toolbox

@@ -669,6 +669,13 @@ def open_new_tab(command: str) -> None:
     """Öffnet den Befehl in einem neuen Tab im aktuellen Verzeichnis."""
     full_cmd = f"cd {shlex.quote(CURRENT_DIR)} && {command}"
 
+    # WezTerm (macOS + Linux)
+    if shutil.which("wezterm") and os.environ.get("TERM_PROGRAM") == "WezTerm":
+        bash_cmd = f"{full_cmd}; exec bash"
+        subprocess.Popen(["wezterm", "cli", "spawn", "--cwd", CURRENT_DIR,
+                          "--", "bash", "-c", bash_cmd])
+        return
+
     if IS_MAC:
         import tempfile
         escaped = full_cmd.replace("\\", "\\\\").replace('"', '\\"')