v1: Constraint fill (≥5 = LIKELY)
v2: Candidates (≤2 = LIKELY)
LIKELY → Find the shape:
● Lock — mirror forced
◐ Signal — mirror squeeze
═ Beam — mirror chain
◈ Resonance — mirror-box
⟶ Vision — mirror forcing
Mistake Budget:
Easy: 10 | Med: 8 | Hard: 7 | Expert: 7