Plan v2: match structure, enemies, weapons, interlude (phases 7-13)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

HANDOFF.md

@@ -38,10 +38,13 @@ Two runtime-only import cycles (documented in headers): input↔gameplay, zombie
   Ball boys mop gore they pass. HUD shows THEM instead of CPU.
 - Balance knobs in TUNE (T panel): zSpeed, zSpawnEvery, zMax, zSplatQ, zPushback.
 
-## NEXT UP — PLAN.md
-The zombie-mode expansion (tighter shot loop, multi-kill fanfare, gore piles, bomb balls,
-horde waves + machine-gun racket, racket zombies later) is fully planned in PLAN.md —
-phased, with per-phase verify recipes. Implement it phase by phase, push after each.
+## NEXT UP — PLAN.md (v2)
+Phases 1–6 (shot loop, fanfare, gore piles, bombs, hordes, racket zombie) are SHIPPED.
+PLAN.md now holds v2 (phases 7–13): match structure (games/sets/changeovers as the
+difficulty director, permadeath runs), bomb juice, weapons on the new-balls rule,
+enemy roster (sprites first, Oliver approves), tennis interlude. Design decisions at
+the top of PLAN.md are settled with Oliver — don't re-litigate. Phase by phase, push
+after each.
 
 ## PREVIOUS TASK — all four items from Oliver's feedback round are DONE and VERIFIED
 (serve cadence · flick-aim anywhere incl. over the net · zombie speed ramp · eaten):