5761836bbb
Records the A0 material foundation + Phase 1 Group A implementation (steps 1/1b/2/2.5: socket data model, per-socket stats, AbilityFireSystem restructure + SpawnId repack, feel-layer migration), 494 green, the editor-focus correction, and the deferrals (L3 gate, AbilityRef cleanup, Group B content). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>