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Drew T
def16c8b18
Task-4 giant-bank #1 of the 12 preserved p29t3 drafts. func_8013FAF8 (312 ins, a menu/HUD prim builder stubbed in 138 overlays) BANKED x1 in ov_SC01_077, whole-binary byte-identical; R22 clean-fleet 140/140; tools-health OK (dedup 1843/0, audit-binaries OK). The README billed it "pure def-sig plumbing" but it was a 5-conflict multi-symbol reconciliation (~5 gate iterations), all byte-neutral + gate-arbitrated (G3/P9): - def-sig s16/s16 vs canonical s32/s32 -> NARROWED the extern fleet-wide (404 decls/265 files). NOT --fix-def-sig: the s32 variant diverges at insn 22 (match_one, R35). Neutral because every fleet caller passes (s16)-cast or small-const args (verified). - 3 data-symbol conflicts (D_80115128 lh / D_800B9A02 lhu / D_80187AC0 s32[]) declared BEFORE the splice (block-scope §55a-blocked) -> the TU's §18 cast-at-use-site convention (*(s16*)&, *(u16*)&, ((s32*)&sym)[i]) forces the load width regardless of decl signedness, keeps the TU decl untouched, propagation-safe. No CSE-hoist across 5 uses. - 2 fn-extern conflicts (func_8013FFD8 s16 arg0, func_80141100 int(int)) -> reconciled the draft decl to the TU def + byte-neutral call-site cast. Still MATCH 312/312. Stubs 138->137, 1 def, 0 NON_MATCHING (G4). Fleet holds 71.4/53.3/86.42 (the ×1 exemplar is negligible until propagation ×137, batched per §55b). Technique -> cookbook §56.