Function startServer

plugins/superpowers/skills/brainstorming/scripts/server.cjs:262–348

()

// ========== Server Startup ==========

function startServer() {
  if (!fs.existsSync(CONTENT_DIR)) fs.mkdirSync(CONTENT_DIR, { recursive: true });
  if (!fs.existsSync(STATE_DIR)) fs.mkdirSync(STATE_DIR, { recursive: true });

  // Track known files to distinguish new screens from updates.
  // macOS fs.watch reports 'rename' for both new files and overwrites,
  // so we can't rely on eventType alone.
  const knownFiles = new Set(
    fs.readdirSync(CONTENT_DIR).filter(f => f.endsWith('.html'))
  );

  const server = http.createServer(handleRequest);
  server.on('upgrade', handleUpgrade);

  const watcher = fs.watch(CONTENT_DIR, (eventType, filename) => {
    if (!filename || !filename.endsWith('.html')) return;

    if (debounceTimers.has(filename)) clearTimeout(debounceTimers.get(filename));
    debounceTimers.set(filename, setTimeout(() => {
      debounceTimers.delete(filename);
      const filePath = path.join(CONTENT_DIR, filename);

      if (!fs.existsSync(filePath)) return; // file was deleted
      touchActivity();

      if (!knownFiles.has(filename)) {
        knownFiles.add(filename);
        const eventsFile = path.join(STATE_DIR, 'events');
        if (fs.existsSync(eventsFile)) fs.unlinkSync(eventsFile);
        console.log(JSON.stringify({ type: 'screen-added', file: filePath }));
      } else {
        console.log(JSON.stringify({ type: 'screen-updated', file: filePath }));
      }

      broadcast({ type: 'reload' });
    }, 100));
  });
  watcher.on('error', (err) => console.error('fs.watch error:', err.message));

  function shutdown(reason) {
    console.log(JSON.stringify({ type: 'server-stopped', reason }));
    const infoFile = path.join(STATE_DIR, 'server-info');
    if (fs.existsSync(infoFile)) fs.unlinkSync(infoFile);
    fs.writeFileSync(
      path.join(STATE_DIR, 'server-stopped'),
      JSON.stringify({ reason, timestamp: Date.now() }) + '\n'
    );
    watcher.close();
    clearInterval(lifecycleCheck);
    server.close(() => process.exit(0));
  }

  function ownerAlive() {
    if (!ownerPid) return true;
    try { process.kill(ownerPid, 0); return true; } catch (e) { return e.code === 'EPERM'; }
  }

  // Check every 60s: exit if owner process died or idle for 30 minutes