Stream Traps

• write() returns false — buffer full, keep writing = memory bloat
• Must wait for drain event — before resuming writes after false
• .pipe() doesn't propagate errors — source error won't reach destination handler
• pipeline() over .pipe() — handles errors AND cleanup on all streams
• Missing error handler crashes — stream.on('error', handler) on EVERY stream
• readable.destroy() — call on error to prevent leaks, pipeline does this