📜 WAYPOINT LESSON
Checkpoint: the master FRQ
⭐⭐⭐ advanced⏳ 30 min read📍 Lesson 256 of 256
The gate: four behaviors fused from three banked patterns, 25 minutes.
The clinic is the parking garage (locker allocation), the studio (no-duplicate insert), and a front-of-line removal — three mechanisms you have built separately in modules 8, 14, and 23. Recognize the parts, bank them in order, wire the room() flow last: it reads the waitlist AND the rooms.