#!/usr/bin/env bashset -euo pipefail ROOT="$(cd "$(dirname "$0")/.." && pwd)"PID_FILE="${VLLM_STUDIO_PID_FILE:-$ROOT/data/controller.pid}"LOG_FILE="${VLLM_STUDIO_LOG_FILE:-$ROOT/data/controller.log}"BUN_BIN="${VLLM_STUDIO_BUN_BIN:-$HOME/.bun/bin/bun}" if [ ! -x "$BUN_BIN" ]; then  BUN_BIN="bun"fi if [ -f "$PID_FILE" ]; then  EXISTING_PID="$(cat "$PID_FILE")"  if kill -0 "$EXISTING_PID" 2>/dev/null; then    echo "Controller already running (pid: $EXISTING_PID)"    exit 0  fifi mkdir -p "$(dirname "$PID_FILE")"mkdir -p "$(dirname "$LOG_FILE")" nohup "$BUN_BIN" "$ROOT/controller/src/main.ts" >> "$LOG_FILE" 2>&1 &echo $! > "$PID_FILE"echo "Controller started (pid: $(cat "$PID_FILE"))"