Tier 8 saturated at 0.92: highest_tier 7->8, overall 0.769->0.788

Partial 512-bit cell (tier 8 = 0.73): overall 0.698 -> 0.769

Commit all 5 cell weights as git-LFS objects (16/32/64/128/256-bit)

Tier-7 256-bit carry-aware TCN cell: highest_tier 6->7, overall 0.602->0.698, tier-7 0.98

Tier-6 carry-aware TCN cell: highest_tier 5->6, overall 0.531->0.602, tier-6 0.97

Update card + manifest: tier 5 0.74 -> 0.98 (trajectory training), highest_tier_above_90 5

Update tier-5 metrics to 0.74 (overall 0.483); refresh 64-bit compliance row

Horner-RNN modular-multiplication model (tiers 1-5, up to 2^64)