Add fold confidence: color-by-predicted-error mode + readout (completes CHECK-VIABLE part 1)

Security: per-fold temp file, input length cap, pinned 3Dmol + SRI

Mark liability residues magenta in the sequence tracks (match 3D)

Persistent client-side 3Dmol viewer: focus/grey/hide + in-place highlights (orientation preserved)

Add clickable residue tracks (highlight AAs in 3D)

Add chain selector (show heavy/light/both)

Add SASA exposure gating of liability flags

Deploy MyAbs v0.2 (Docker Space)