Captain Bob, 2026-10-05: v4 = v3 functionally; heat accumulates on the 32 opcodes; the opcode replaces the word as the smallest unit. Answers D-6 and the three conflicts of V3-PARITY.md 2.4. Records what follows (the per-call-target array goes; pipelining and the hot-words cache are not retired; decomposition no longer waits) and what is still open. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>