BFM-decomp/phase-ends/CURRENT_PHASE.md

CURRENT_PHASE — Phase 32: the last 21 + the parked 5 (short, kill-gated)

Gate 1 approved 2026-09-05 (Drew, plan mode, Max, Fable 5.1). Rules R44–R63 ratified at gate 1 (binding). The approved plan (full text): ~/.claude/plans/plan-mode-enabled-max-iterative-ember.md — its substance is this file. Jumping-off document: docs/frontier-p32.md. Roadmap: docs/roadmap-to-100.md v2 §3 (P32 as written is consumed; P32 is this census) + PhaseEnd_Phase31.md Roadmap delta. Baseline HEAD at open: commit:3900 (Phase-31 close + post-close docs; no src//config/ change since the S80 census — verified git diff commit:3898..HEAD -- src config Makefile empty).

Milestone (gate 2)

Every one of the 21 census rows is BANKED or carries a FINAL verdict (PROVED wall / candidate wall with a gcc-mechanism citation + a bounded-attempt record / deferred with its cost stated); each of the 5 parked payloads is onboarded byte-identical at a byte-proven base (its stubs then join the census and are banked or ledgered the same way) or carries a documented exclusion with the static + runtime evidence; the fleet is byte-identical (R22) at every banked batch; the PhaseEnd carries the final wall ledger, the corrected denominators (main game-code 41,556 — the 22-ins Ghidra-boundary gap), all three metrics, and the roadmap delta (P33 = verify + flip).

Kill gate: a session that banks nothing and produces no new verdict ends the crack work (T3); the parked-5 work is bounded to the static candidate list + one static-RE session; no forced banks, no redefinition (P9). Scale estimate: 3–5 sessions.

Effort / model (R7/R26/R27 — every transition is PROMPTED, never assumed)

• Max through T0–T2 (T2 is non-obvious static RE; T0/T1 are settled-design and would be fine at xHigh).
• Prompt to drop to xHigh for T3 (orchestration) and T4 (ledgering); prompt back to Max for T5 (PhaseEnd).
• Models: T1c one Sonnet agent (123 ins); T3 Opus for all 11 targets (escalation tier — Sonnet plateaued on the ≤120-ins rows in S79); Fable only if an agent names a wall class the codegen map lacks — STOP and prompt Drew first. No Ultracode / Workflow: one-page census → the S80 one-agent-per-function shape (docs/wave-playbook.md §S80 addendum, Agent-tool subagents; tools/agent_verdicts.py for any that outlive a session).

Adjustments vs frontier-p32.md §4 (approved)

1. The parked 5 (T2) run BEFORE the crack pass (T3): the static header probe (2026-09-05) gave every payload a deterministic candidate base, so T2 is a set of ~0-token new_binary.sh byte-gate probes, and any stubs they add ride the same single bounded agent pass.
2. Tooling-first split into three tasks, one commit each (P4/R42/R60).
3. No MCP dependency for the parked 5 (static evidence + our own matched C); MCP only as a fallback (R29 prompt).
4. Walls get a ledger task (T4), not drafting — incl. fixing two dangling best-draft paths (R62).

Tasks (strict order; one commit per task after this file is updated; count banks from the SOURCE)

• T0 — Phase open (Max) — DONE 2026-09-05: verbatim 5==5 · exclude 8/8 fresh · census 21 (B-CARVE 4 / D-NEAR 10 / F-FAR 7, .run/P32/frontier_p32_open.json) · tools-health OK · check-all 213/213 rc 0 (.run/P32/t0_baseline.log): this file; harness task list (R28); baseline reads — verbatim_check --strict (5==5), exclude_audit --assert-fresh, frontier_classify --json .run/P32/frontier_p32_open.json (21), make tools-health OK, make check-all 213/213 (read of the on-disk S80 artifacts); commit.
• T1a — resident: split the code subseg, bank func_800D128C (243) — DONE 2026-09-05: BANKED byte-identical 8e17e02f… (commits commit:3902 split + commit:3904 bank); R22 after the bank: check-all 213 passed / 0 failed, rc 0 (.run/P32/t1a/r22.log); resident stubs 2 → 1; THREE instrument fixes on the way (cookbook §496 carrier provided-types, §498 carve --pre drop + gate ignoring the extract rc + interleave_check false DRIFT); twin_rescan: 20 open, nothing newly free. Original brief: jr_isolate_all resident --only func_800D128C (dry-run CLEAN 2026-09-05: 3 region files, carve repoint resident → resident_jr_800D00E4, --order + JTBL_PADS) → make extract BINARY=resident && make build BINARY=resident -j8 (EXIT CODE, R53; byte-neutral split) → commit carve state alone (R60) → rtu_match the closeness-0 draft .run/S71_gate14/resident/func_800D128C.c in the new region TU → parallel_gate --r22 (carves jtbl_80113FB8 + jtbl_80114198; pads_audit after) → in-tree build exit code → commit → twin_rescan. TU refusal → §376/§378 chain as a byte-neutral plumbing commit BEFORE re-gating.
• T1b — ov_SC02_017: split + remap the twin, bank func_80186C64 (209) — DONE 2026-09-05: BANKED byte-identical c0253499… (commit:3903 carrier §497 fix — NO source rename needed · commit:3906 split · commit:3907 bank); 0 drafting tokens; four §376 TU spellings + one TU-provided typedef stripped. Original brief (Max/xHigh): byte-neutral tag rename in src/ov_SC02_017/ov_SC02_017_jr_8017DF34.c (:4314/:4319; keep the typedef name) → build sha-unchanged → commit → jr_isolate_all ov_SC02_017 --only func_80186C64 (dry-run REFUSED on the conflict 2026-09-05; expect CLEAN after the rename) → extract/build byte-neutral → commit carve state → family_remap --addr 0x801810C8 --from ov_SC02_016 --to ov_SC02_017 --to-addr 0x80186C64 (d=2 RELOC-ONLY twin; source src/ov_SC02_016/ov_SC02_016_jr_801810C8.c:2839) → strip typedefs the TU already defines (§491 gap 2) → rtu_match → parallel_gate --r22 → commit → twin_rescan.
• T1c — md_MAIN_034: bank func_800CB00C (123) — DONE 2026-09-05: BANKED byte-identical 46153c06… (commit:3908) from the STORED S72 body .run/O21/opus/func_800CB00C.c (rtu MATCH 123/123; the census's best_draft was a name-collided WRONG file, R48/R38) — NO agent; WALL pin dropped (exclude 8→7); backlog 18→17. R22 after the T1b+T1c batch: check-all 213 passed / 0 failed, rc 0 (.run/P32/t1b/r22.log). Original brief: pack via claude_wave_packs (the stored 174-ins draft is WRONG, not a seed; §494 jtbl idioms) → verbatim grep → rtu_match --split md_MAIN_034 --source md_MAIN_034 → parallel_gate (island pads derive at build, §303) → commit → twin_rescan; drop the md_MAIN_034:func_800CB00C pin (exclude_audit --write). Progress report to Drew after T1c.
• T2 — the parked 5 (Max):
  • T2a — DONE 2026-09-05 (commit:3909): controls 7/7 (5 STRONG, 2 CONSISTENT; TEXT_LO estimates == yaml); the five: MAIN/7 STRONG 0x800CEDF8 · MAIN/9 STRONG 0x800CD348 · SC03/53, /54 CONSISTENT top 0x801EF468 (12-way tie) · SC03/56 SPLIT (jal vote 0x80178C8C vs ptrs/lui ~0x801CBB50); memory-map §S45 p7; SETUP row. Brief: tools/payload_base_evidence.py (id word, first prologue → TEXT_LO, abs-pointer window, lui hi-half histogram, jal self-consistency per candidate base, DESTPTR lookup in the window from .run/idxtab_map.json) — R39 controls: must re-derive md_MAIN_008/011 (0x800CEDF8), md_MAIN_042 (0x800CCB1C), md_MAIN_013 (0x800CAE08), md_SC03_073 (0x801EF468) from their payloads alone; refuses a payload with no self-reference (base-independent bytes — say so, never guess). SETUP row (R21); evidence rows → docs/memory-map.md §S45 p7 (G5 static-derived, US). Commit.
  • T2b — DONE 2026-09-05: ALL FIVE onboarded on their first candidate, byte-identical first builds — md_MAIN_007 @0x800CEDF8 (commit:3911, 19 stubs, A4 applied) · md_MAIN_009 @0x800CD348 (commit:3912, 11) · md_SC03_053 + md_SC03_054 @0x801EF468 (commit:3913, 15 + 7) · md_SC03_056 @0x801CBB50 (commit:3914, 4). Fleet 213 → 218; +56 stubs (~2,600 ins). Instrument findings (R34/R35): the all-INCLUDE_ASM first build is a NULL oracle for FINE base errors (+8 builds byte-identical; +0x1000 fails the link) — bases are static-derived STRONG, byte-proven by the first internal-call C bank; a jal-vote base whose targets are shared-engine function starts is OUTWARD-EXPLAINED (SC03/56's false 0x80178C8C). Close chain (sig-modules → tools-health → audit-disc → R22 of 218) running: .run/P32/t2b/close.log. Original brief: onboard probes, one payload per commit, top candidate first (the module-class law: the FIRST build's byte-identity is the arbiter; a miss → next candidate; none → stays parked with the evidence): md_MAIN_007 extracted/retail/MAIN.CD.dir/FILE_007 0x800CEDF8 0x34 (9/9 internal jals on its own prologues at that base; omit symbols.resident.txt, A4 law) · md_MAIN_009 …/FILE_009.dir/0.1 0x800CD348 0x3C (the unique base fitting both in-region jals; then 0x800CAE08, 0x800CCB1C) · md_SC03_053 …/SC03.CD.dir/FILE_053.dir/0.1 0x801EF468 0x4 · md_SC03_054 …/FILE_054.dir/0.1 0x801EF468 0xF0 · md_SC03_056 …/FILE_056.dir/0.1 0x801CBB50 0x4 (then 0x801CBD90, 0x801CC6E0). After each success: make sig-modules, make tools-health (R36), make audit-disc (UNCLAIMED 5 → 5−N), commit.
  • T2c — DONE 2026-09-05: 20 free banks in the five new modules for 0 drafting tokens (commit:3918 8 · commit:3919 5 · commit:3920 7): 7 d=0 hash twins + 3 RELOC-ONLY via family_remap, 9 constant-only NEAR-COUSINs (each constant named by the real-TU diff), 2 hand pass-throughs (main's func_80014128 shape); dedup_extend 0 (no macro-group members); split_indicator population fix (commit:3917, was a stale 213 list — R51). R22 after the batch: check-all 218 passed / 0 failed, rc 0 (.run/P32/t2c/r22.log). Census: 54 stubs / 6,376 ins (.run/P32/frontier_t2c_close.json: main 12 · md_MAIN_007 15 · md_MAIN_009 10 · md_SC03_053 6 · md_SC03_054 4 · md_SC03_056 1 · ov_SC03_105 2 · resident 1 · md_MAIN_003 1 · ov_SC06_022 1 · ov_SC07_002 1). make audit-disc UNCLAIMED 0 of 220; disc-completeness.md P32 section written; cookbook §499 + decision-log S81 (R31). Brief: free banks + census: twin_rescan / dedup_extend for h_exact twins of the new stubs; regenerate the census; leftovers join T3. Update docs/disc-completeness.md (+ ledger regen), decision log (R31).
  • T2d — NOT NEEDED (both MAIN/7 and MAIN/9 onboarded on their first candidate). Brief: (only if MAIN/7 or MAIN/9 refuse every candidate): one bounded static-RE pass over our own C (src/800.c, src/boot.c, src/resident/resident.c: loadDestPtrTable, D_800D3764/D_800D384C, the resourceIdMap sites) for a route producing global index 7 or 9; MCP (R29) only if the C is insufficient. Outcome: a base, or the strengthened exclusion evidence. Progress report after T2.
• T3 — one bounded crack pass, Opus agents, one per function (xHigh orchestration — prompt R27): DONE 2026-09-05 (S83): 47/47 drafted, 39 BANKED (10 in the launching session + 29 in S83: the 11 S82 MATCH rows, the 17 queued Haiku rows 17/17 MATCH, and func_8001BC6C cracked 6 -> 0 by permuter_ils + an R63 read), 8 NEAR ledgered in the backlog with cost, 0 FAIL, 0 walls found. Census 15 stubs / 3,758 ins = 7 pinned walls + 8 NEAR (.run/P32/frontier_t3_close.json); md_SC03_053/054/056 100% C; resident 145/145; main 6 open (5 walls + func_80039308 NEAR 17). Fleet (make report): instr 13,484,739 / 13,488,497 = 100.0% · distinct 5,812,831 / 5,816,589 = 99.9% (90,975 / 90,984 unique) · fn-count 363,199 / 363,214 = 100.00% · INCLUDE_ASM 15. Step 8 (bounded tail): func_8001BC6C BANKED; func_800CD674 permuter plateau at the same $a3<->$t1 pair; func_800CF3E8 Opus second look NO GAIN at 27 but the §500-D1 mechanism corrected (cse find_best_addr) and its lever refuted (§500-H). Harvest: cookbook §500-F/G/H, BRIEF.md, jtbl_carve probe text, Makefile C_SRCS dotfile guard (a masked_diff probe broke a gate_main rebuild). Fleet R22 218/218 at 10:46, 11:09 and 217+main extracted, 218 passed / 0 failed, exits 0/0/0 at 12:00 MDT (S83). Original brief: targets = main:func_80023BF0 11 · func_80038698 11 · func_80039B20 7 · func_80039308 34 · func_80015B6C 40 · func_8002FDE8 35 · func_8001BC6C 28 · ov_SC03_105:func_80185810 37 · md_MAIN_003:func_800CF3E8 54 · ov_SC07_002:func_8017DC80 84 · resident:func_800D06E8 344 (after a byte-neutral fix of the Struct80078E78 typedef clash) + any T2c leftovers. Cheap second looks first: func_80023BF0 (VERIFY the S80 permuter waypoint's semantics before seeding) and func_80039B20. Packs: claude_wave_packs (S79 verdict incl. INERT list, exact-length best draft, matched same-TU neighbour, §494/§495 laws, the fixed permuter recipe permuter_ils … --cycles 8 --secs 150 --j 3); brief = .run/S79w/SYS.md. Per result, never in bulk: verbatim grep → rtu_match (main: --tu src/<TU>.c) → gate (parallel_gate --r22 / main: gate_main <slate> --apply, read the BODY/TABLE/PLUMBING/MIXED line) → commit per bank (R42) → twin_rescan; plateaus → backlog.py log with attempt + cost (R41). Expected 1–4 banks (S79: 3/11 on the Opus F/G tier), ~0.6–1.4M tokens. Progress report after T3.
• T4 — the walls' FINAL verdicts — DONE 2026-09-05 (S83, xHigh, no drafting): all 7 pinned rows re-probed IN TU CONTEXT (rtu_match in the real TU; the three CC1-FAIL rows via a sandbox TU copy under .run/P32/t4/tu/ — every CC1 FAIL was plumbing, R40) and every one reproduced its recorded residual: 1 PROVED (main:func_80011380 §474, DIFF 6) · 6 CANDIDATE with current citations (func_80032A74 1 · func_80020DA4 2 · func_80039DEC 2 · func_800391D4 3 · ov_SC06_022:func_8017DF28 2 · ov_SC03_105:func_801834A4 6). No verdict changed. Deliverables: the wall table below; config/wave_exclude.txt annotated per row, exclude_audit --assert-fresh 7/7; backlog rows for all 7 (the two path-less rows given existing drafts, R62; func_80032A74 got a TU-clean synced draft .run/P32/t4/drafts/func_80032A74_tuclean.c); cookbook §500-I; docs/accelerators.md (8); decision-log (the final wall doctrine, R31). Original brief: the 8 pinned rows — confirm each citation current + instrument exonerated (R40), PROVED vs CANDIDATE, ledger best-draft → an existing real-TU-clean C file (R62: func_80011380 → .run/m3/opus/func_80011380.c; func_801834A4 → .run/S71_gate14/ov_SC03_105*/), exclude_audit --write, backlog.py render; a T3 idiom naming a wall's mechanism re-opens that row (bounded: one attempt, permuter first). Wall table into this file; cookbook §496+; decision log; accelerators.
• [~] T4b — crack and bank the final 15 (ADDED 2026-09-05 by Drew's directive; supersedes the kill gate: "anything that isn't the original hand-written asm or the PsyQ libs needs to be cracked and banked before we finish") — FIRST PASS COMPLETE 2026-09-05 (S83): 11 of 15 BANKED byte-identical, 4 carried to the NEXT session's HAND pass (Drew: no second agent round; hand-crack the remaining ones). Hand pass first (22 spellings, 0 banks, every blocker refined to a mechanism in .run/P32/t4b/<fn>/NOTES.md), then one Fable agent per row (permission, not requirement — Drew), resumed 3-at-a-time through three usage-limit outages. Banked (each: coordinator rtu_match in the CURRENT real TU → gate_main / bank.sh byte-identical → one commit; pins dropped by exclude_audit --write; mechanism in cookbook §501–§501-L): main:func_800391D4 commit:3956 · main:func_80039DEC commit:3959 · md_MAIN_009:func_800CD674 commit:3964 · ov_SC06_022:func_8017DF28 commit:3966 · main:func_80020DA4 commit:3969 · ov_SC03_105:func_801834A4 commit:3972 · md_MAIN_003:func_800CF3E8 commit:3976 · md_MAIN_009:func_800CD92C commit:3979 · ov_SC07_002:func_8017DC80 commit:3983 · main:func_80011380 commit:3990 (the §474 "PROVED" wall) · md_MAIN_007:func_800CF6D0 commit:3992. Ten of the eleven were T4 "walls" or long-standing NEARs. **HAND PASS S84 (2026-09-06, Fable Max, no agents): row (a) main:func_80032A74 → PROVED at 1 (§501-M producer census: the 0x48 slot can only be a combine-minted ghost, which needs an lh/lb; the pin stays with its final verdict; ledger + tools/ghost_census.py + cc1_dumps.sh repair; row (b) md_MAIN_007:func_800CF408 → BANKED byte-identical commit:4001 (the banked sibling func_800CD92C's spelling ported with a u32 array alias of the OT symbol, §501-N; zero pins/asm); row (c) main:func_80039308 → PLATEAU at 4 (S84 verdict, §501-O: the phantom slot's producer census refutes every route; Y4 is register-exact); row (d) ov_SC03_105:func_80185810 → BANKED byte-identical commit:4004 (S85, 2026-09-06): the banked same-shape cousin ov_SC02_027:func_80180B3C's packet-window spelling ported — ZERO pins, zero fences, zero asm dials (§501-P); ov_SC03_105 100% C). T4b hand pass COMPLETE: 13 of 15 banked, 2 verdicts (PROVED 1 · PLATEAU 4), both in main. Carried (4, all exact length, in docs/backlog.md with next levers): main:func_80032A74 1 (the last pin; ghost pseudo — near-proved) · md_MAIN_007:func_800CF408 3 · main:func_80039308 4 · ov_SC03_105:func_80185810 13. Close: fleet R22 218 passed / 0 failed, exits 0/0/0 (23:33–23:36 MDT, .run/P32/t4b/r22_full.log); make report: instr 13,486,890 / 13,488,497 = 100.0% · distinct 5,814,982 / 5,816,589 = 100.0% (90,982 / 90,984 unique) · fn-count 363,210 / 363,214 = 100.00% · INCLUDE_ASM 4; main REAL 787 · LINKED 1,256 · VERBATIM 3 · stubs 2 · 2,089 / 2,091 = 99.90% · 143dbb89…; census .run/P32/frontier_t4b_close.json 4 stubs / 1,607 ins; decision-log P32 S83 T4b (R31); accelerators (10)–(11); tools-health OK (.run/P32/t4b/tools_health.log).
• T5 — PhaseEnd (Max, Tier 1 — prompt R27): P7 checkbox walk; milestone demo (R22 fleet N/N, tools-health, verbatim_check --strict, final census, wall ledger, parked-5 dispositions via make audit-disc, make report all three metrics + main 143dbb89… with/without SDK dirs, corrected denominators); WAIT for gate 2; PhaseEnd_Phase32.md (+ Roadmap delta + Plain-English Recap); git mv this file → phase-ends/logs/Phase32.md (R19); R23 MCP stop if it ran; leave both uncommitted for Drew (R6); 🛑 (P8).

T4 — the walls' FINAL ledger (S83, 2026-09-05; every row re-probed in TU context; config/wave_exclude.txt carries the same lines)

row	ins	class	closeness leaf / real-TU (S83)	mechanism · citation	bounded attempt record	verdict	best draft
main:func_80011380 (boot, −O0)	192	C-level floor	6 / 6 (rtu --o0)	fold-const.c:882 split_tree merges MULT(MULT(i,2),2); the two escapes each cost one insn (stupid.c:497 adjacency / expand_decl use-brackets) — cookbook §474, §388 −O0 colouring oracle	20 spellings + statement-expression + (t=i*2)*2 register form (S76 proof); pinned S79 #8	PROVED	.run/m3/opus/func_80011380.c
main:func_80032A74 (800_b_2)	422	FRAME/WIDTH	1 / 1 (synced draft)	sole residual idx 244 lh vs lhu: extendhisi2 is a force_not_mem EXPAND (an orphan frame slot is minted only at an lh); the target's +8 frame bytes = §172 producer 3 (caller-save area, reload1.c:1445)	~200 byte-probes + 100-variant retyping sweep (S79 Opus) + permuter_ils 8×150 s null (S80); S83: CC1 FAIL was 7 header typedefs + 4 decl spellings → synced copy DIFF 1	CANDIDATE	.run/P32/t4/drafts/func_80032A74_tuclean.c
main:func_80020DA4 (800)	100	REGALLOC-PERM	2 / 2	phantom 16-byte frame reproduced (address-taken frame_pad[3]); residual = mflo destination $t0 vs $a2; pinning regresses to 79	5 attempts 51→20→14→8→2 (S7x/S79) + permuter_ils null (S80); S83 rtu DIFF 2	CANDIDATE	.run/S79w/sonnet/func_80020DA4.c
main:func_80039DEC (800_c)	74	REGALLOC (K&R)	2 / 2 (sandbox TU, no-proto decl)	the $a3↔$t0 swap of the two K&R raw-preserve parameter copies is fixed by ARGUMENT POSITION in gcc-2.7.2 narrow-parameter promotion (2nd → $a3, 3rd → $t0) before global-alloc; every pin regresses to 60–75 (cookbook §376/§495 K&R laws, lines ~1320/1508)	3 attempts (S7x/S79 Sonnet 9) + permuter_ils 9→2 (S80); S83: CC1 FAIL = the TU's narrow prototype at 800_c.c:3496 vs the K&R def	CANDIDATE	.run/S79w/permuter/func_80039DEC.c
main:func_800391D4 (800_c)	75	SCHED (loop)	3 / 3 (sandbox TU, [][1] externs)	3-insn SCHEDULE-REORDER (off init vs arg1's sll/sra): move_movables splices hoisted invariants after any pre-existing preheader flow code (loop.c 2.7.2:1529; map loop.md L4)	4 prior + S79 Sonnet 64→3 (i=$7 pin kills combine_givs, D_80073140[][1] decl, 7 asm("") pads) + permuter_ils null (S80); S83: the [][1] spelling is load-bearing (TU-compatible forms → 65 @ 76)	CANDIDATE	.run/S79w/sonnet/func_800391D4.c
ov_SC06_022:func_8017DF28 (jr_8017BEBC)	119	SCHED (slot)	2 / 2	expand_block_move copy_addr_to_reg pseudo cse-reused for both later &mtx args (map cse_expr.md [A23-2]/§H); addiu $s2,sp,0x10 in the jal delay slot vs the target's bnez slot	five RTL-verified attempts (S71/S79); permuter_ils "1" was a divergent rewrite (S80, R63); S83 rtu DIFF 2	CANDIDATE	.run/S79w/sonnet/func_8017DF28.c
ov_SC03_105:func_801834A4 (jr_80181C84)	106	SCHED (loop)	6 / 6 (×3 variants)	loop.c movable ordering (S71)	S71 gate14 resolver variants cn-cast / -rc / -rc-sd all DIFF 6; S83 rtu DIFF 6 ×3	CANDIDATE	.run/S71_gate14/ov_SC03_105-cn-cast-rc-sd/func_801834A4.c
(unpinned) md_MAIN_003:func_800CF3E8	469	ALIAS-BASIN	27 / 27	cse.c find_best_addr (fold_rtx MEM; COST pseudo 0 vs hard reg 1) swaps the bare-REG tag-load address to a pseudo; the alias lever refuted 5/5; the pinned-pointer launder frees the load but lands it 4 slots late (79 @ 470) — §500-H	S79/S82 Opus + S83 Opus second look (245k tokens, ~16k compiles)	CANDIDATE (backlog, not pinned)	.run/P32/t3/opus/func_800CF3E8.c

The other 7 NEAR rows (func_80039308 17, func_800CD674 2, func_800CD92C 15, func_800CF408 49, func_800CF6D0 137, func_80185810 35, func_8017DC80 46) are DEFERRED WITH COST in docs/backlog.md (class · closeness · best draft · agent/permuter cost), per the milestone's third disposition.

Standing procedure (every task)

Fix the TU by a byte-neutral plumbing commit BEFORE any gate (S77 law) · commit banked work before the next command that can touch src/ (R42) · after any bank: twin_rescan, verbatim_check --strict (R62) · after a carve/merge touching a yaml/.mk: make extract BINARY=<b> before building; pads_audit/interleave_check on every touched carve binary (R60) · fleet verify after every banked batch: make clean && make extract-all && make check-all — read EXIT CODES (R53), quote the green count at every close (R58); make tools-health · log each task here + refresh the 🛑 checkpoint before any pause · rules check every 4 tasks (P6) · harvest idioms into the cookbook before the next drafting step (R16/R30) · no Co-Authored-By trailer (R5); keep the Claude-Session: line.

Blockers

• 2026-09-05 09:xx: the successor session's SessionStart hook launched a headless Ghidra MCP server (.run/ghidra-mcp.log); T3/T4 do not use it; no RE writes → never stage the ghidra/ churn (R23).
• Ghidra MCP not running at open (clean stop in the log; the SessionStart hook's server did not persist). Not needed for T0–T2b; if T2d needs it: tools/ghidra_mcp_start.sh → pause → Drew runs /mcp (R29) → G2 ping.

Log

• 2026-09-06 (S85, session 3a7e207c, Max, Fable 5.1, no agents) — T4b hand pass, row (d) ov_SC03_105:func_80185810 BANKED byte-identical (commit:4004: bank.sh — rtu MATCH 489/489 in the real TU, splice, make build BINARY=ov_SC03_105 -j8 rc 0, sha d305ff6d… == config/check.ov_SC03_105.sha). Preflight: tree clean, verbatim_check --strict 5==5, make check-all 218 passed / 0 failed EXIT=0 (.run/P32/t4d/check_all_preflight.log); the Fable draft re-verified DIFF 13 (rows 363–380). §501-N step 0: twin oracle 0, atlas knn nothing (only a REVERSE 0.55 "weak cousin" entry), symbol grep = this overlay only; the SHAPE grep ('0x200) << 2', the getTPage chain) surfaced ov_SC02_027:func_80180B3C — the same billboard drawer, banked — whose objdump window (0x34f8–0x3560) is the target's rows 362–386 verbatim. Its window spelling ported onto the draft (.run/P32/t4d/d1_sibport.c) → MATCH first try; the pin census (d2–d12, all real-TU): mode/cl/c40/uu pins individually and jointly removable, ot16 pin load-bearing ONLY next to 2-set neighbours (DIFF 4), d9 with NO pins = MATCH → banked; F2's polarity re-rolls 42 rows, a 2-set uu 63 rows (the S83 "combine folds the fresh andi via nonzero_bits / a hard reg hides it" reading refuted — the andi survives as a lone single-set insn). Post-bank: twin_rescan 2 open / 0 newly free; verbatim_check --strict 5==5; backlog.py render 3 open (row pruned); census .run/P32/frontier_t4b_final.json 2 stubs / 940 ins (main func_80039308 4 · func_80032A74 1). Harvest: cookbook §501-P (+ index regen), accelerators (14), decision-log P32 S85 (R31), .run/P32/t4d/NOTES.md (the 12-variant census). Fleet R22 launched after the bank (.run/P32/t4d/r22_*.log) — see the T4b close entry. T4b hand pass COMPLETE: 13/15 banked + 2 final verdicts. NEXT = the T4b close, then T5.
• 2026-09-06 (S84, continued) — T4b hand pass, row (c) main:func_80039308 → PLATEAU at 4 (verdict). Producer census for the target's phantom slot [arg1 @0][8 @8][cnt @0x10] (§501-O): cnt's slot is spill_stack_slot[23] (cnt evicted from $s7, .greg "Register 95 now on stack"), so the phantom is an initial-loop slot with no traffic; every producer refuted on dump facts (leaf → no save area; LO spilled after GR; products alternate to GR_REGS — C3 measured mflo $a1/$v1; no unallocated single-block equiv pseudo; expand-time locals precede; all 13 lh single-use, no lb). Rows 49/50 = two move_movables hoists in body order (open: steer the hoisted b2 * 0x100 into $s2 without the pin). Ledger row updated (closeness 4, FRAME+SCHED), NOTES .run/P32/t4c/func_80039308/NOTES.md, probe c3_twoprod.c. Row (d) ov_SC03_105:func_80185810 (13) read (report + rtu DIFF 13 re-verified) — NOT started; per §501-N its step 0 is a banked-sibling search on its symbol set (D_800A5E60, D_801BC9B4/BC, D_801BA6B0, D_800AF630, D_800A6610). Session paused here at Drew's request (87% context).
• 2026-09-06 (S84, continued) — T4b hand pass, row (b) md_MAIN_007:func_800CF408 BANKED byte-identical (commit:4001: bank.sh — rtu MATCH 178/178 in the real TU, splice, make build BINARY=md_MAIN_007 -j8 rc 0, sha 2ff702b6… == config/check.md_MAIN_007.sha). The Fable draft's 3-row prologue-weave residual (§501-L) was a shape symptom: the same-family banked sibling md_MAIN_009:func_800CD92C (§501-H) had matched with the plain libgpu addPrim shape; porting it with this function's constants matched first try (b0d_sibport_alias.c). The TU declares extern u8 D_800AA60C[], which kills the sibling's u32 ARRAY_REF (the form whose address memory_address → force_reg lets cse bind the OT base into $t2; every u8 respelling emits the $at macro form ×8) — solved with the fleet's asm-label alias extern u32 wD_800AA60C[] __asm__("D_800AA60C"); (1,438 banked files carry the pattern; a declaration, not an asm body). Measured and refuted on the way: the sibling's lever-7 trailing volatile asm 2-set dial (flips $t1/$t0), the struct-view and P_TAG-on-u8 forms. Post-bank: twin_rescan 3 open / 0 newly free; verbatim_check --strict 5==5; backlog rendered 4 open (the row pruned). Harvest: cookbook §501-N, accelerators (13), NOTES .run/P32/t4c/func_800CF408/NOTES.md (7 variants). bank.sh's Claude-Session trailer now comes from $CLAUDE_SESSION (was S83's id hard-coded). NEXT = row (c) main:func_80039308 (4).
• 2026-09-06 (S84, session 72d8b4b1, Max, Fable 5.1) — T4b hand pass, row (a) main:func_80032A74 CLOSED: PROVED at 1 (verdict, not a bank). Preflight: tree clean, verbatim_check --strict 5==5, make check-all 218 passed / 0 failed rc 0 (.run/P32/t4c/check_all_preflight.log). Re-verified in the real TU (rtu_match … --tu src/800_b_2.c --asm-subdir asm/nonmatchings/800_b_2): the s16 u18 draft DIFF 1 (idx 244 lh vs lhu, frame exact); the u16 u18 TU-clean variant DIFF 22 = the 22 frame rows only (422/422 code). The residual is ONE reload-time slot at sp+0x48. Instead of a spelling sweep, enumerated every post-parameter stack-slot producer from the 2.7.2 source (reload1.c:658 ghost alter_reg · caller-save.c:249 area · reload1.c:879 invalid-equiv address · reload1.c:3499 spill_stack_slot) and refuted each on the bytes/dumps: combine's newi2pat ghosts re-derive a narrow load (lh/lb) and the site is lhu with no lb/double load; a save area without sw/lw needs sched.c:4962 staleness and no register-only insn shares a block with any of the 7 calls; unallocated single-block equiv pseudos cannot exist; $t0 holds no pseudo (order_regs_for_reload) and LO mult results retry into GR_REGS. Found and measured a NEW ghost producer — local-alloc.c optimize_reg_copy_2 on tmp = x; tmp op= c; x = tmp; (P13 refs 5, P14 refs 1) — which cannot slot because it is minted after regclass (class GR_REGS, no conflicts → allocated, vars=0). 18 isolated reproducers, 0 draft variants. Deliverables: cookbook §501-M, tools/ghost_census.py (new) + tools/cc1_dumps.sh (repaired: frame line + census, the under-counting (use) grep gone) + SETUP rows (R21), accelerators (12), backlog row (WALL-PROVED) + tools/backlog.py tie-break repair (kept the EARLIEST record at equal closeness — the S84 row never rendered), config/wave_exclude.txt annotated (exclude_audit --assert-fresh 1/1), notes .run/P32/t4c/func_80032A74/NOTES.md. NEXT = row (b) md_MAIN_007:func_800CF408 (3).
• 2026-09-05 13:05–23:40 MDT (S83, continued) — T4b first pass COMPLETE: 11 of 15 banked, 4 carried. Fifteen Fable agents launched from .run/P32/t5x/ (BRIEF + packs + the hand-pass NOTES); three usage-limit outages killed every run (resumed each time via SendMessage with context intact; "write deliverables early" saved one crack from a dead run); from the second outage on, resumed 3 at a time (Drew). Verdicts: 11 MATCH (each re-verified by the coordinator in the CURRENT real TU and banked byte-identical — main rows via gate_main slates, overlays/modules via SPLIT=… DRAFT_DIR=.run/P32/t5x/fable bank.sh), 4 NEAR at exact length (1 / 3 / 4 / 13) with pass-attributed residuals and next levers ledgered. Every crack came from READING a pass dump against the 2.7.2 source; cookbook §501–§501-L (12 new laws: cascades, cross-jump-after-alloc, dying-input vs birthing boost, hard-reg sets count, pins forbid retry regs, CSE-quantity split, three-passes-three-dials, constants as floaters, manufactured orphans, a proved tree wall is not an RTL wall, sched2's /s exemption, coupled dials); decision-log P32 S83 T4b; accelerators (10)–(11). Instrument defects: bank.sh (empty fn list → built the unchanged tree, exit 0; _jr_ TU split; draft dir) hardened, and two premature "banked" ledger messages corrected in the next commit (memory: write the message from the tool's output). Pins 7 → 1. Fleet R22 218/218 at the close; make report fleet 100.0/100.0/100.00, 4 stubs. Drew: no second agent round; hand-crack the remaining four next session. NEXT = the hand pass on the four (see the 🛑 block), then T5.
• 2026-09-05 12:05–12:40 MDT (S83, continued) — T4 DONE. Preflight: tree clean, verbatim 5==5, R22 218/218 (12:00), exclude_audit --assert-fresh 7/7. Every pinned wall's best draft re-run with rtu_match in its CURRENT real TU: func_80011380 DIFF 6 (--o0), func_80020DA4 DIFF 2, func_8017DF28 DIFF 2, func_801834A4 DIFF 6 ×3 variants; the three CC1-FAIL rows re-probed after their plumbing was understood — func_80032A74 (7 TU-provided typedefs + 4 decl spellings → cdecl.strip_provided_typedefs + the TU's lines → DIFF 1 in the real TU), func_80039DEC and func_800391D4 (a sandbox TU copy under .run/P32/t4/tu/ with the declaration edited THERE → DIFF 2 / DIFF 3) — no src/ edit, no byte-neutral commit spent on rows that will not bank. Leaf match_one re-measured all three (1 / 2 (permuter) / 3). No verdict changed: 1 PROVED (§474) + 6 CANDIDATE, citations current (§474, §172 reload1.c:1445, loop.md L4 2.7.2:1529, cse_expr.md [A23-2], the K&R promotion laws). Deliverables: the wall table (above), config/wave_exclude.txt per-row S83 lines, backlog rows for all 7 (+ the two path-less rows fixed, R62; docs/backlog.md 16 open), cookbook §500-I, accelerators (8), decision-log. NEXT = T5 (Max, Tier 1 — prompt R27, WAIT for gate 2).
• 2026-09-05 11:30–12:30 MDT (S83, continued) — T3 steps 8–9 DONE → T3 CLOSED. Step 8: permuter_ils 8×150 s -j3 on the two REGALLOC-PERM seeds — func_800CD674 plateau (best waypoint = the same 2-row $a3↔$t1 pair; ledgered with cost), func_8001BC6C reached masked 1; the R63 read showed three mutations, one of them a WRONG-WIDTH & 0xFF (lhu→lbu); the two sound ones (idx after color; an early tag/k birth) = leaf MATCH, re-spelled well-defined as k = 0; tag = (a1 << 8) | k; (11 spellings measured), rtu MATCH in src/800.c, gate_main BANKED 143dbb89 (commit:3948) — main 7 → 6 open. gate_main's first rebuild died on a concurrent agent's src/.masked_diff_probe.<pid>.c (present at parse, gone at compile) → Makefile C_SRCS find now -not -name '.*' (commit:3949, byte-neutral, control on make -pn). One bounded Opus second look at func_800CF3E8 (245k tokens, 29 min): 27 holds; §500-D1's mechanism corrected to cse.c find_best_addr (fold_rtx MEM; COST pseudo 0 vs hard reg 1), the alias lever refuted 5/5, a new zero-byte pinned-pointer launder found (79 @ 470, structurally closer) — cookbook §500-H, backlog row updated. Step 9: make report (fleet instr 100.0% · distinct 99.9% · fn 100.00% · 15 stubs), make report BINARY=main, census .run/P32/frontier_t3_close.json (15 / 3,758), twin_rescan 0 free, cookbook §500-G/H + index, this file; R22 → see the 🛑 block. Kill gate: the session banked 29 and produced 3 new verdicts; the tail's three bounded attempts are spent — T3 closes on the evidence. NEXT = T4.
• 2026-09-05 10:10–11:25 MDT (S83, session 491895ad, xHigh, Fable 5.1) — T3 steps 0–7 DONE: 28 banks, fleet R22 218/218 twice. Preflight R22 218/218 rc 0 (.run/P32/t3s3/r22_check.log) → the 11 S82 MATCH rows banked: md_SC03_053 ×2 (commit:3935 commit:3936, 100% C) · main ×2 via gate_main (commit:3937: "slate 2 -> 2 compatible … BANKED 2 … 143dbb89 BYTE-IDENTICAL") · md_SC03_054 func_801EF6D8 604+7 jtbls (commit:3938; jtbl_carve --probe refused the tail carve → §303 derive stage reproduced the island pads 0,0t1,0t1,0t1,0t1,0t1,0 with NO carve state change) · md_MAIN_007 ×6 after the byte-neutral func_800CF3B0 no-proto decl commit (commit:3939, commit:3940) — two integration classes on the way (same-TU s16/u16 spelling of D_800B99E8; §304 self-defining rodata D_800CEDFC). twin_rescan 33 open / 0 free; verbatim 5==5; R22 make clean && make extract-all && make check-all → 217+main extracted, 218 passed / 0 failed, exits 0/0/0 (.run/P32/t3s3/r22_full.log, 10:41–10:46); tools-health OK. The 9 NEAR rows ledgered (backlog_near.sh; docs/backlog.md 15 open). 17 Haiku agents launched 10:57 from staged prompts (.run/P32/t3s3/prompts/), 17/17 MATCH by 11:15, each re-verified with rtu_match in the CURRENT TU and banked by bank.sh (verbatim grep → rtu → splice → one build → sha → commit-on-green): md_MAIN_007 ×6 (commit:3941 commit:3942), md_MAIN_009 ×8 (commit:3943 commit:3946 — func_800CD520 needed a §376 re-spell after a sibling bank added the file-scope prototype), md_SC03_054 ×2 (commit:3944, 100% C), md_SC03_056 ×1 (commit:3945, 100% C). twin_rescan 16 open / 0 free. Harvest: cookbook §500-F (the four integration classes), BRIEF.md §304 sentence, jtbl_carve --probe text, harvest_notes. Post-batch R22 (after all 28 banks): 217+main extracted, 218 passed / 0 failed, exits 0/0/0 (.run/P32/t3s3/r22b_full.log, 11:04–11:09).
• 2026-09-05 (successor session, later) — Session-start protocol rewritten at Drew's direction (R64 candidate): phase-ends/DIGEST.md created (every phase synopsis + every rule in full + the PROJECT_CONTEXT corrections + the doc map); CLAUDE.md load order = PROJECT_CONTEXT → DIGEST → the three most recent PhaseEnds → CURRENT_PHASE, ≈100k tokens, the 🛑 block replayed VERBATIM; Phase Boundary step 3b maintains the digest (P7); phase-ends/README.md + SETUP §7 updated; the two memories (checkpoint-current-phase-before-pause, session-start-list-rules-in-full) + MEMORY.md updated; .run/P32/t3/PROMPT_TEMPLATE.md saved (verbatim agent prompts). The 🛑 block below was REFRESHED to the verbatim-replay standard and SUPERSEDES the 09:30 block. Ratify R64 at PhaseEnd_Phase32.
• 2026-09-05 09:30 MDT — T3 CHECKPOINT by the successor session (Max, Fable 5.1) after the launching session died. The T3 coordinator (session c6a5fb71) banked 10 functions in 9 commits (T3 (1)–(9), 01:01–01:07 MDT) and then hit "Prompt is too long" at 01:07 MDT; 22 agent completions (07:07Z–08:04Z) arrived into a dead session. Recovered via the recorded route: agent_verdicts.py over the 31 task transcripts → .run/P32/t3/verdicts.jsonl (20 MATCH / 9 NEAR / 2 FAIL); every unbanked draft re-verified with rtu_match in its real TU (10 MATCH confirmed). Instrument incident (R48 class): one agent's tidy-up (find .run/P32/t3/opus -maxdepth 1 -type f ! -name func_800CD674.c -exec mv {} _scratch/, 07:52Z) had swept 11 sibling Opus deliverables — found in _scratch/, moved back, byte-verified at the reported closeness; tools/agent_drafts_restore.py (NEW — transcript replay) written as the fallback; .gitignore allowlist for .run/P32/** so the drafts/ledger/census are committed (R20). Harvest written IN-SESSION (R16/R30): cookbook §500 (10 banked closers, 10 MATCH closers, 9 NEAR classes, two NEW mechanisms — the pinned-base alias basin and #line-equalised ASM_OPERANDS — and the process defects); docs/wave-playbook.md §S80 addendum-2 (per-function work dirs, JSON-only final message, the 20-agent cap, the recovery tools); docs/accelerators.md P32 T3; docs/decision-log.md P32 S82 (R31); SETUP row (R21). Read-only T4 pre-check results from the dead session preserved in the 🛑 block. Effort: this checkpoint at Max; T3 resumes at xHigh (R27).
• 2026-09-05 — gate 1 approved; T0 opened at HEAD commit:3900.
• 2026-09-05 — T3 LAUNCHED (xHigh): 47 targets = census 54 − 7 pinned walls (.run/P32/t3/targets.json, 5,288 ins); packs built (claude_wave_packs, 47/47 neighbours, 10 journals); brief .run/P32/t3/BRIEF.md. 20 Agent-tool drafters running (16 Opus: the 11 old near/far rows + resident func_800D06E8 + the 4 largest new bodies · 3 Sonnet · 1 Haiku); 27 Haiku queued behind the harness's 20-concurrent cap (.run/P32/t3/pending_launch.txt, launched one per freed slot). Recovery + per-result route: .run/P32/t3/LAUNCHED.md.
• 2026-09-05 — T2c DONE (R22 218/218 rc 0) · T2d not needed. Twenty of the 56 new stubs fell to twin remaps and constant flips (0 tokens); the rest (36, all ≤50 ins but one, never drafted) join T3 on the model ladder. Session limit reset here (Drew); effort now xHigh via /model (the T3 orchestration level, R27 satisfied). Settings-file JSON defect fixed (a trailing comma).
• 2026-09-05 — T2b DONE — the parked ledger is EMPTY: all five payloads onboarded byte-identical (MAIN/7 → md_MAIN_007 @0x800CEDF8; MAIN/9 → md_MAIN_009 @0x800CD348; SC03/53, /54 → md_SC03_053/054 @0x801EF468; SC03/56 → md_SC03_056 @0x801CBB50). Every base came from T2a's static alignment (self-calls / fn-ptr-table entries on the module's own function starts; controls 7/7), NOT from the byte check — two negative controls showed the first build is base-lenient (fine offsets) and only catches gross errors. Two tool refinements en route (combined STRONG rule; outward-explained vote bases). The 100% claim loses its last asterisk once the new stubs are banked or ledgered (T2c/T3).
• 2026-09-05 — T1b + T1c DONE (R22 213/213 rc 0 for the batch) · T2a DONE. Both banks were ZERO-token: T1b's body came from family_remap of the d=2 twin (+ four TU spellings), T1c's from a stored S72 body the census had mis-keyed (R48) — the journals (R38) named both. Census 21 → 18 stubs (resident 1 · main 12 · md_MAIN_003 1 · ov_SC03_105 2 · ov_SC06_022 1 · ov_SC07_002 1). T2a's instrument gives every parked payload a bounded probe list; two are STRONG.
• 2026-09-05 — T1a DONE — resident:func_800D128C BANKED (243 ins, byte-identical 8e17e02f, R22 213/213). The stored S71 closeness-0 draft was byte-correct all along; the whole task was three instrument defects the resident (the fleet's one common.h-only, --pre-sandwich binary) exposed in overlay-only assumptions: (1) jr_isolate_all dropped a file-local typedef whose name engine_types.h also defines (§496 — fixed: provided types derived from the TU's own includes); (2) jtbl_carve regenerated JTBL_INTERLEAVE without the --pre hdr.rodata.o clause → extract refused → the gate linked a stale script and booked the byte-correct draft as DIFF; harvest_verify ignored that extract's rc (§498 — both fixed, R49/R61); (3) interleave_check read a --pre line as n=0 (false DRIFT; fixed). R38 then found two more stored MATCH bodies for T1b/T1c (see their rows). Effort stayed Max.
• 2026-09-05 — T0 DONE. Baseline reads all green (.run/P32/t0_baseline.log): verbatim_check --strict 5 bodies == 5 rows; exclude_audit --assert-fresh 8 entries, 8 WALL, 0 stale; frontier_classify → 21 rows = the S80 census exactly; make tools-health OK (sigs fresh, corpus(+resident), cdecl, audit-binaries 213/213, report lint+dedup, cookbook-index, split_indicator 213 OK); make check-all 213 passed / 0 failed, rc 0. Harness task list #1–#11 built (R28). NEXT = T1a.

🛑 SESSION CHECKPOINT — T4b HAND PASS: (a) PROVED at 1 · (b) BANKED · (c) PLATEAU at 4 · (d) NEXT, then T4b close and T5 (2026-09-06 ~15:00 MDT; written by session 72d8b4b1 "S84" at Drew's pause request; SUPERSEDES the two earlier S84 blocks and the 2026-09-05 23:45 block)

0. How to use this block

You are a FRESH SESSION that has read PROJECT_CONTEXT.md, phase-ends/DIGEST.md, PhaseEnd_Phase29/30/31.md and this file, and nothing else (CLAUDE.md protocol, R64 candidate). Replay this block verbatim into your chat, state phase / done / NEXT / effort, list the rules from the digest, then WAIT for Drew. NEXT is the HAND pass on row (d) ov_SC03_105:func_80185810 (13) — Drew (2026-09-05): "we will hand crack the remaining ones next session instead of using agents." Non-obvious root-cause work: recommend effort: Max (R7/R27 — prompt and wait for the /effort). No Agent tool, no Workflow. After (d) (banked or honestly ledgered): the T4b close (§4 step 2), then T5 = the PhaseEnd (Tier 1, Max, WAIT for gate 2).

1. Where we are

Phase 32 — the last 21 + the parked 5 (short, kill-gated) — extended by Drew's T4b directive: every function that is not original hand-asm or a PsyQ object must be cracked and banked before the phase closes. Gate 1 approved 2026-09-05; R44–R63 ratified then; R64 candidate. Tasks: T0 ✓ T1a ✓ T1b ✓ T1c ✓ T2a–c ✓ (T2d not needed) T3 ✓ T4 ✓ T4b first pass ✓ (11 of 15 banked) · T4b hand pass (S84): (a) main:func_80032A74 PROVED at 1 (verdict) · (b) md_MAIN_007:func_800CF408 BANKED byte-identical commit:4001 (md_MAIN_007 is now 100% C) · (c) main:func_80039308 PLATEAU at 4 (verdict) · (d) ov_SC03_105:func_80185810 13, NOT started · T5 pending. Harness tasks #1–#13 (#13 = T4b in_progress). Fleet 218 binaries. S84 src/ change: ONE bank (src/md_MAIN_007/md_MAIN_007.c, commit:4001, sha byte-identical by make build BINARY=md_MAIN_007 -j8 rc 0); no config/ (except the wave_exclude.txt annotation) or carve-state change; a fleet R22 is still owed at the T4b close. Last fleet R22: make clean && make extract-all && make check-all → 217+main extracted, 218 passed / 0 failed, exits 0/0/0 at 2026-09-05 23:36 MDT (.run/P32/t4b/r22_full.log); S84 preflight make check-all → 218 passed / 0 failed, EXIT=0 (.run/P32/t4c/check_all_preflight.log, before the bank). make report (S83 close, still current for the fleet numbers): instr 13,486,890 / 13,488,497 = 100.0% · distinct 5,814,982 / 5,816,589 = 100.0% (90,982 / 90,984 unique fns) · fn-count 363,210 / 363,214 = 100.00% · INCLUDE_ASM 4 → now 3 stubs / 1,429 ins open after (b) (regenerate at the T4b close: frontier_classify --json .run/P32/frontier_t4b_final.json). Main: REAL 787 · LINKED 1,256 · VERBATIM 3 · stubs 2 · byte-identical 2,089 / 2,091 = 99.90% · sha 143dbb89…. verbatim_check --strict 5 == 5 (S84, after the bank). config/wave_exclude.txt: 1 entry (main:func_80032A74, with its S84 PROVED verdict), exclude_audit --assert-fresh 1/1 OK. docs/backlog.md: 4 open (func_80032A74 WALL-PROVED 1 · func_80039308 FRAME+SCHED 4 · func_80185810 SCHED 13 · func_80062144 legacy failed row). make tools-health → OK at the S83 close; cookbook_index.py --check OK (S84). Non-ghidra tree clean at HEAD after the S84 commits; the ghidra/ churn is R23 restart-noise — never stage it. Claude commits, Drew pushes (R6; ~105 unpushed). 100% C: resident, md_MAIN_007, md_MAIN_009, md_MAIN_003, md_SC03_053/054/056, ov_SC06_022, ov_SC07_002.

2. What S84 did (session 72d8b4b1, 2026-09-06, Max, Fable 5.1, no agents; commits commit:4000 commit:4001 commit:4002 + the close commit)

• (a) PROVED at 1 by a PRODUCER CENSUS from the compiler source instead of a spelling sweep (cookbook §501-M, accelerators (12)): the 0x48 slot can only be a combine-minted ghost (newi2pat split, combine.c:1887/1963 → reload1.c:658), which re-derives a signed narrow load; the site is lhu, no lb, no double load. Caller-save area / reload1.c:879 / spill_stack_slot refuted on the bytes. Found and measured a NEW ghost producer (local-alloc.c optimize_reg_copy_2, P13/P14) that cannot slot (post-regclass → allocated).
• (b) BANKED by porting the banked sibling md_MAIN_009:func_800CD92C's spelling with this row's constants (cookbook §501-N, accelerators (13)) — the TU's extern u8 D_800AA60C[] needed the fleet's asm-label alias extern u32 wD_800AA60C[] __asm__("D_800AA60C"); (1,438 banked files carry the pattern; a declaration, not an asm body). MATCH first try; bank.sh chain.
• (c) PLATEAU at 4 with the phantom-slot producer census for a leaf (cookbook §501-O) and the 49/50 mechanism (two move_movables hoists in body order).
• Tools: tools/ghost_census.py (new: ghosts in a .lreg dump with class → SLOT / allocatable); tools/cc1_dumps.sh repaired (frame line + ins + spill lines + census; the under-counting (use) grep is gone); tools/backlog.py tie-break repaired (kept the EARLIEST record at equal closeness → a re-verdict never rendered); .run/P32/t3s3/bank.sh session trailer from $CLAUDE_SESSION; SETUP rows (R21) for all three; .run/P32/t4c/dump.sh (private dump + census under .run/P32/t4c/dumps_<tag>/).

3. ROW (d) — the brief for the next session (all facts re-verified S84 unless marked S83)

ov_SC03_105:func_80185810 — 489 ins, closeness 13, exact length, every register allocation matches. TU src/ov_SC03_105/ov_SC03_105_jr_80181C84.c, sub ov_SC03_105_jr_80181C84, asm asm/ov_SC03_105/nonmatchings/ov_SC03_105_jr_80181C84/. Draft .run/P32/t5x/fable/func_80185810.c (= Fable work v7.c) — rtu DIFF 13 in the real TU (S84): rows 363–380, the tpage/code RMW window: mine sh v1,22(s0); lbu v1,7(s0); srl; or; sb; andi a3,0xffff; li v1,2; subu; … sll a2,14; … sllv a0; lui/addiu v1 (D_800A6610); addu s1,a2,v1 vs target srl; sll $a2,14; sh; lbu; andi $a3,0xFFFF; or; sb; li; subu; lui/addiu $v0; addu $s1,$a2,$v0; sllv — i.e. the target interleaves sll $a2,14, andi $a3,0xFFFF, li/subu INTO the tpage/code window and puts la D_800A6610/addu $s1 before the sllv. Report .run/P32/t5x/reports/func_80185810.md (READ IT FIRST); harness .run/P32/t5x/work/func_80185810/ (dump.sh, exp/run.py named-edit A/B, exp/sweep.py = the 3,360-variant region-2 sweep — do NOT repeat, exp/rtlsum.py). Three windows were closed by Fable with pins (register u32 uu __asm__("$4"), mode ("$5"), ot16 ("$6"), shf ("$3")) and HI temps (t20/t22 with tp = D_801BA6B0 loaded between the loads and the stores — sched1's flush_pending_lists at the 33rd memory op) and the libgpu P_TAG bitfield OT link. The residual's ONE cause (S83, read from the dumps): cl &= 0xFFFF is an unboosted 2nd set whose anti-dependences hold the w-chain's two cl reads; the zero-byte __asm__ volatile("") fence after p[7] |= … is needed (without it the reads float to the block head and take $a0/$a1: 43/51) yet it forbids sched2's fillers from crossing into the tpage/code window. A fresh single-set clx is boosted but combine folds the andi via nonzero_bits(cl) into any same-block consumer (59); 2-set clx unboosted (49/39/42); an arm-duplicated store does not cross-jump (490 ins); a launder asm is a real move for block_alloc. Next levers, in order: (0) §501-N first — search for a BANKED sibling with this shape and PORT its spelling before touching any dial: grep -ln 'D_800A5E60' src/*.c src/*/*.c (the prim-buffer cursor also used by (b)'s family), grep -ln 'D_801BC9B4\|D_801BA6B0\|D_800A6610' src/ov_SC03_*/*.c, and the §501-I banked exemplar ov_SC07_002:func_8017DC80 (DR_TPAGE shared-scratch idiom) + src/800.c:3826 (the same idiom banked in main); compare their tpage/code window spelling (tp = 1; q[3] = tp; … tp = tpage; *(u32 *)(q+4) = tp;) with the draft's cl chain. (1) If no sibling: make cl single-set with its high half cleared at birth (cl = *(u16 *)… or a shift form) so no fence is needed, or give the two reads a fresh copy combine cannot fold (a HImode/subreg temp defeats nonzero_bits) — §501-L's "different-mode temp" — and read the -dS trace at the window (T-14/T-20 in dumps_NOFENCE) before each probe; ≤ ~10 probes, then the verdict. Pins are dials to be removed at the end if a sibling shows the natural form (§501-E: a pin forbids its register to every retried allocno).

(a) main:func_80032A74 — CLOSED: PROVED at 1 (S84). Best drafts .run/P32/t4/drafts/func_80032A74_tuclean.c (s16 u18, DIFF 1) and .run/P32/t4c/func_80032A74/lhu_tuclean.c (u16 u18, 422/422 code, DIFF 22 frame rows). Proof in .run/P32/t4c/func_80032A74/NOTES.md

• §501-M. Do NOT reopen without a new producer. (b) md_MAIN_007:func_800CF408 — CLOSED: BANKED commit:4001 (S84). .run/P32/t4c/bank/func_800CF408.c = func_800CF408/b0d_sibport_alias.c. (c) main:func_80039308 — CLOSED for this phase: PLATEAU at 4 (S84). Best draft .run/P32/t5x/fable/func_80039308.c (4); register-exact spill form .run/P32/t5x/work/func_80039308/v_Y4.c (8: the frame). Census + open levers in .run/P32/t4c/func_80039308/NOTES.md and §501-O: the phantom slot [arg1 @0][8 @8][cnt @0x10] has no identified producer (initial-loop slot with no traffic; every route refuted); rows 49/50 = hoisted-invariant order (vol = b2 * 0x100 in the body, needs $s2 steering without the $18 pin). Reopen only with a new idea for the slot — the row is honestly ledgered (R41 cost: ~3 h S84 + Fable 655k tokens S83).

4. NEXT — in order

0. Preflight: git status --short | grep -v ghidra/ (empty) · verbatim_check --strict (5 == 5) · make check-all → 218/218 (R56 baseline; the last one was BEFORE the (b) bank — run it). Prompt /effort max (R27) and WAIT.
1. Row (d) per §3 (sibling search → port → else the cl lever; rtu_match with --split ov_SC03_105_jr_80181C84 --source ov_SC03_105; bank via SPLIT=ov_SC03_105_jr_80181C84 DRAFT_DIR=<dir> .run/P32/t3s3/bank.sh ov_SC03_105 src/ov_SC03_105/ov_SC03_105_jr_80181C84.c asm/ov_SC03_105/nonmatchings/ov_SC03_105_jr_80181C84 hand "<title>" func_80185810; a plateau → backlog.py log with closeness, class, best draft, cost — write "banked" only from the tool's printed success line).
2. T4b close: make clean && make extract-all && make check-all (quote 218/218) · make report + make report BINARY=main · frontier_classify --json .run/P32/frontier_t4b_final.json · make tools-health · twin_rescan · refresh this block · commit · harness #13 done.
3. T5 (Max, Tier 1 — prompt R27; WAIT for gate 2): P7 walk (T0–T4b) → milestone demo (R22 218/218 · tools-health · verbatim 5==5 · the final census · the wall ledger — ONE pin, PROVED, plus the two ledgered plateaus (c)(d?) stated plainly · make audit-disc UNCLAIMED 0 of 220 · make report ×3 metrics + main 143dbb89… WITH and WITHOUT the SDK object dirs · denominators) → WAIT → PhaseEnd_Phase32.md (Build Log · Deviations incl. the T4b directive and the remainder · Commit Message · Rules Added — R64 to RATIFY + the candidates below · Changelog v1.30.0 → v1.31.0 · Roadmap delta: P33 = verify + public flip · Plain-English Recap · believed/failed/sooner · 🛑) → DIGEST.md §2/§3 (step 3b) → git mv phase-ends/CURRENT_PHASE.md phase-ends/logs/Phase32.md (R19) → R23 → leave both uncommitted for Drew (R6) → "PhaseEnd file created. Commit the file and start a new Claude Code session for the next phase." → HARD STOP (P8). Rule candidates for the PhaseEnd table: (i) a wall verdict must be PASS-attributed with a dump line (R40 → "exonerate the instrument, then name the pass"); (ii) write "banked" only from the tool's printed success line; (iii) agents write deliverables early; (iv) a helper must refuse an empty work list (R43 restated); (v) S84: a residual gets a PRODUCER CENSUS from the compiler source before a spelling sweep, and "PROVED" means every producer refuted on the bytes (accelerators (12)); (vi) S84: a ledger's tie-break is part of the instrument (backlog.py kept the earliest record at equal closeness — a re-verdict that cannot surface is a silent skip); (vii) S84: when a same-family sibling is banked, port its SPELLING before touching a dial on the draft (§501-N, accelerators (13)).

5. Files, tools, exact invocations, gotchas

• .run/P32/t4c/ (S84, tracked: dump.sh, check_all_preflight.log, func_80032A74/{NOTES.md,lhu_tuclean.c,p1..p18.c}, func_800CF408/{NOTES.md,b0..b3*.c} (b0d = the banked body), func_80039308/{NOTES.md,c3_twoprod.c}; ignored: dumps_*/, rtu/, bank/). .run/P32/t5x/ (Fable drafts/reports/work), .run/P32/t4b/ (S83 hand-pass notes), .run/P32/t3s3/: bank.sh (env SPLIT=, DRAFT_DIR=, CLAUDE_SESSION=), splice.py, bank logs. .run/c294/dumps_*: tools/cc1_dumps.sh output (regenerable).
• Instruments: tools/cc1_dumps.sh <self-contained draft> <tag> (.frame line, ins, Spilling reg/now on stack, ghost census) · tools/ghost_census.py <tag>.i.lreg (ST_REGS or none ⇒ an 8-byte slot; GR_REGS ⇒ allocatable) · .run/P32/t4c/dump.sh (same, private dir) · tools/rtu_match.py (main: --tu src/<sub>.c --asm-subdir asm/nonmatchings/<sub>; overlays/modules: --split <tu-basename> --source <binary>).
• Gotchas that bit in S84: rtu_match on a MAIN function needs --asm-subdir (its default is the overlay layout) · the T4b lhu.c draft of (a) carries TU-provided typedefs and CC1-FAILs in the real TU — use *_tuclean.c · a TU may declare a symbol with another type (extern u8 D_800AA60C[] in md_MAIN_007) — the alias extern u32 wSYM[] __asm__("SYM"); is the fleet's spelling, a plain redeclaration CC1-FAILs · the sibling's lever-7 trailing __asm__ volatile("" : "=r"(x)) 2-set dial is NOT portable (a volatile asm makes hard regs live at its position: m24/colour $t1/$t0 swap) · a mechanism probe must keep the temp's LAST mention after the variable's (cse make_regs_eqv canonicalizes the shorter-lived reg away) · grep "\$t2\b" in double quotes anchors on $ — use '[$]t2[^0-9]' · backlog.py ties are latest-wins now · the cookbook index does not index bold §501-x sub-entries.
• Gotchas from S83 (still live): gate_main --assert-baseline --allow-dirty RESTORES the working tree's TUs before building · make extract BINARY=main rewrites main's asm/ — never while something reads those .s files · backticks inside a double-quoted --where are command substitution (use single quotes) · .run/P32/** allowlists are per-subdir · an agent's masked_diff probe in src/ is build input (Makefile guard commit:3949).

6. Environment

Fleet 218; shas: main 143dbb89f34491258bbc27810d0a12ec8b43a8dd · md_MAIN_007 2ff702b605ab5cfc18474c464c4c07e5f8ffd48c · ov_SC03_105 d305ff6da199b52d0d44023766643a8b661ed524 (config/check.<b>.sha is authoritative). Toolchain unchanged (SETUP §5.4). The SessionStart hook launches a headless Ghidra MCP (.run/ghidra-mcp.log); nothing in T4b/T5 uses it (R23: never stage ghidra/). Claude commits, Drew pushes.

7. Standing reminders

Every bank commits before the next command that can touch src/ (R42) · count banks from the SOURCE and quote the fleet's green count at every close (R58) · verify a build from its exit code (R53) · a masked/permuter score is not a closeness until its diff is read (R63) · an __asm__ body that reproduces instructions is a verbatim, not a bank (R62; zero-byte fences/launders are dials; asm-label DECLARATIONS are the fleet's alias spelling) · re-verify in the CURRENT TU before splicing (§500-F) · port a banked sibling before dialing (§501-N) · attribute a residual to a PASS before sweeping levers (§501, accelerators (11)) · census the PRODUCERS of a frame residual before any spelling (§501-M/O, accelerators (12)) · write "banked" only from the tool's printed success line · rules check every 4 tasks (P6) · harvest into the cookbook before the next drafting step (R16/R30) · no Co-Authored-By (R5) · never stage ghidra/ (R23).

Plain-English recap (R18). Four functions were left; this session settled three of them by hand. One is now proved unreachable by rewording (we listed every way the 1995 compiler can leave an unused stack slot and struck each off against the bytes), one was matched outright and banked by copying the wording of an already-finished cousin function and adjusting its numbers (the game's md_MAIN_007 module is now 100% C), and one was measured to its floor with the same census and left honestly recorded with its open levers. Along the way a new compiler quirk was found and measured, a measuring tool was written and an old one repaired, and a ledger bug that hid updated verdicts was fixed. One function remains, thirteen instructions from done, with its cause written down and a cheap first move (look for a finished cousin) queued for the next session; nothing else in the game's rebuilt code changed, and the last fleet-wide rebuild check was green.