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BFM-decomp/docs/progress.fleet.md
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Drew T 835c45905d feat(phase-29 Task-13B close): plateau autopsy = ZERO missing-transforms; narrow the admission instead 
The hindsight-study §7 taxonomy predicts plateaus decompose into missing-transform (the
"highest-value bucket and the whole point"), seed-structural, and genuine-wall. Run against
real plateaus this class produced NO missing-transforms, and the answer needed no LLM.

MEASURED: `length` probe, 20 targets, 1 win. tail 1/6; partial 0/12.
AUTOPSY (read directly from the bytes, 3 partial plateaus):
- func_8017F0C0 / func_801806C8: target has `sltiu $v0,$v0,1` = gcc's codegen for `!x`/`x==0`;
  the drafts wrote `(u32)(D_x ^ 1)` which emits `xori`. No local mutation crosses that.
- func_8017FF90: draft stores to arg0+8, target stores to a GLOBAL. Different function.
=> these are WRONG DRAFTS wearing a small closeness, i.e. seed-structural, not a mutation gap.

THE FIX IS THE OPPOSITE OF "ADD TRANSFORMS" — a tighter ADMISSION rule:
- _drift_route: permuter only when |d|<=2 AND explains=="tail" (the shape that measurably
  converts). length pool 339 -> 34; permuter bucket 389 -> 84.
- SIZE-MISMATCH: added a PROPORTIONAL test (|d| >= 0.5*nt). max(2,0.15*nt) is far too
  permissive on a tiny target — a 2-ins draft vs a 4-ins target read as a near-miss.
permuter_weights needs NO extension for this class.

Transferable (cookbook §60b): raising a search-closer's yield is at least as often about
refusing it unreachable work as widening its mutation set. Same knife as Task-13A's
targeting fix, one cut finer. Drafter idiom recorded: `sltiu rd,rs,1` => `!x`, never `x^1`.

17 unit tests green; corpus re-collected (1654 rows, closeness cross-check clean).
2026-07-21 17:45:49 -06:00

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# BFM FLEET matching progress (generated by tools/progress.py --fleet — authoritative)
# 140 binaries: main + resident + 138 location overlays. DETERMINISTIC,
# source-derived (committed src/*.c + config/dedup.us.yaml). Live byte gate: `make check-all`;
# cross-binary collapsible-byte leverage: docs/duplicates.cross.md.
# THREE progress metrics (all matter — see the labels):
FLEET fn-count byte-ident: 311079 / 353722 = 87.94% (REAL+LINKED+empties; FUNCTION-count, ×134-inflated — one crack counts per overlay)
FLEET instr-weighted : 10207672 / 13081451 = 78.0% (shipped .text across resident+138 overlays; the decomp.dev-DISPLAY number)
FLEET distinct-code(uniq): 3708970 / 5574674 = 66.5% (64105/87459 unique fns; the DISTINCT-RE number)
MAIN game-code weighted : 436 / 60201 = 0.7% (Phase-27 T10; SEPARATE — LINKED-excluding Ghidra sig dated 2026-06-14, PROVISIONAL until a fresh/complete main sig; NOT folded into the fleet number)
FLEET REAL substantive : 309224 (of which dedup-shared 234437 via 1848 groups / 234481 instances)
FLEET LINKED PsyQ objs : 959
FLEET NON_MATCHING : 7 (0 in any default build — G4)
FLEET INCLUDE_ASM stubs : 42636
FLEET matchable : 353722
| binary | REAL | shared | LINKED | byte-ident | matchable | byte-ident % |
|---|---:|---:|---:|---:|---:|---:|
| main | 54 | 2 | 959 | 1055 | 2096 | 50.3% |
| resident | 129 | 0 | 0 | 131 | 145 | 90.3% |
| ov_SC01_000 | 2220 | 1706 | 0 | 2220 | 2403 | 92.4% |
| ov_SC01_001 | 2220 | 1706 | 0 | 2222 | 2466 | 90.1% |
| ov_SC01_004 | 2212 | 1697 | 0 | 2213 | 2414 | 91.7% |
| ov_SC01_005 | 2241 | 1719 | 0 | 2241 | 2503 | 89.5% |
| ov_SC01_006 | 2241 | 1719 | 0 | 2241 | 2503 | 89.5% |
| ov_SC01_008 | 2212 | 1697 | 0 | 2214 | 2426 | 91.3% |
| ov_SC01_009 | 2237 | 1698 | 0 | 2238 | 2507 | 89.3% |
| ov_SC01_074 | 2215 | 1698 | 0 | 2217 | 2425 | 91.4% |
| ov_SC01_077 | 2405 | 1666 | 0 | 2407 | 2585 | 93.1% |
| ov_SC01_080 | 2254 | 1701 | 0 | 2254 | 2512 | 89.7% |
| ov_SC01_084 | 2261 | 1701 | 0 | 2266 | 2579 | 87.9% |
| ov_SC02_000 | 2314 | 1736 | 0 | 2314 | 2683 | 86.2% |
| ov_SC02_003 | 2314 | 1736 | 0 | 2314 | 2683 | 86.2% |
| ov_SC02_004 | 2220 | 1701 | 0 | 2220 | 2401 | 92.5% |
| ov_SC02_005 | 2327 | 1697 | 0 | 2337 | 2927 | 79.8% |
| ov_SC02_011 | 2338 | 1704 | 0 | 2349 | 2893 | 81.2% |
| ov_SC02_015 | 2221 | 1703 | 0 | 2221 | 2414 | 92.0% |
| ov_SC02_016 | 2252 | 1703 | 0 | 2255 | 2545 | 88.6% |
| ov_SC02_017 | 2298 | 1703 | 0 | 2306 | 2732 | 84.4% |
| ov_SC02_021 | 2227 | 1703 | 0 | 2227 | 2437 | 91.4% |
| ov_SC02_026 | 2242 | 1701 | 0 | 2248 | 2572 | 87.4% |
| ov_SC02_027 | 2265 | 1701 | 0 | 2274 | 2692 | 84.5% |
| ov_SC02_028 | 2266 | 1701 | 0 | 2276 | 2701 | 84.3% |
| ov_SC02_031 | 2252 | 1702 | 0 | 2257 | 2562 | 88.1% |
| ov_SC02_035 | 2228 | 1701 | 0 | 2231 | 2520 | 88.5% |
| ov_SC02_039 | 2213 | 1701 | 0 | 2213 | 2416 | 91.6% |
| ov_SC02_041 | 2248 | 1701 | 0 | 2251 | 2561 | 87.9% |
| ov_SC03_001 | 2349 | 1702 | 0 | 2366 | 2869 | 82.5% |
| ov_SC03_002 | 2275 | 1706 | 0 | 2290 | 2631 | 87.0% |
| ov_SC03_003 | 2223 | 1701 | 0 | 2224 | 2423 | 91.8% |
| ov_SC03_006 | 2288 | 1707 | 0 | 2297 | 2767 | 83.0% |
| ov_SC03_007 | 2268 | 1701 | 0 | 2272 | 2623 | 86.6% |
| ov_SC03_010 | 2229 | 1701 | 0 | 2229 | 2470 | 90.2% |
| ov_SC03_011 | 2237 | 1701 | 0 | 2243 | 2527 | 88.8% |
| ov_SC03_012 | 2215 | 1701 | 0 | 2216 | 2406 | 92.1% |
| ov_SC03_013 | 2234 | 1701 | 0 | 2234 | 2492 | 89.6% |
| ov_SC03_014 | 2293 | 1726 | 0 | 2293 | 2685 | 85.4% |
| ov_SC03_015 | 2293 | 1726 | 0 | 2293 | 2685 | 85.4% |
| ov_SC03_023 | 2221 | 1701 | 0 | 2222 | 2435 | 91.3% |
| ov_SC03_024 | 2280 | 1706 | 0 | 2287 | 2641 | 86.6% |
| ov_SC03_028 | 2261 | 1701 | 0 | 2265 | 2664 | 85.0% |
| ov_SC03_029 | 2263 | 1703 | 0 | 2273 | 2644 | 86.0% |
| ov_SC03_030 | 2236 | 1706 | 0 | 2238 | 2495 | 89.7% |
| ov_SC03_031 | 2233 | 1701 | 0 | 2236 | 2514 | 88.9% |
| ov_SC03_089 | 2247 | 1701 | 0 | 2254 | 2581 | 87.3% |
| ov_SC03_090 | 2249 | 1701 | 0 | 2257 | 2625 | 86.0% |
| ov_SC03_091 | 2252 | 1701 | 0 | 2260 | 2640 | 85.6% |
| ov_SC03_092 | 2263 | 1701 | 0 | 2275 | 2587 | 87.9% |
| ov_SC03_093 | 2239 | 1701 | 0 | 2243 | 2563 | 87.5% |
| ov_SC03_094 | 2234 | 1701 | 0 | 2240 | 2577 | 86.9% |
| ov_SC03_095 | 2224 | 1701 | 0 | 2227 | 2474 | 90.0% |
| ov_SC03_096 | 2224 | 1701 | 0 | 2227 | 2465 | 90.3% |
| ov_SC03_097 | 2253 | 1701 | 0 | 2260 | 2603 | 86.8% |
| ov_SC03_098 | 2232 | 1701 | 0 | 2235 | 2541 | 88.0% |
| ov_SC03_099 | 2225 | 1701 | 0 | 2228 | 2504 | 89.0% |
| ov_SC03_100 | 2235 | 1701 | 0 | 2239 | 2539 | 88.2% |
| ov_SC03_101 | 2235 | 1701 | 0 | 2239 | 2528 | 88.6% |
| ov_SC03_102 | 2227 | 1701 | 0 | 2230 | 2492 | 89.5% |
| ov_SC03_103 | 2230 | 1703 | 0 | 2233 | 2510 | 89.0% |
| ov_SC03_104 | 2255 | 1701 | 0 | 2262 | 2616 | 86.5% |
| ov_SC03_105 | 2249 | 1701 | 0 | 2256 | 2597 | 86.9% |
| ov_SC03_108 | 2217 | 1701 | 0 | 2217 | 2443 | 90.7% |
| ov_SC03_109 | 2218 | 1701 | 0 | 2220 | 2424 | 91.6% |
| ov_SC03_110 | 2223 | 1701 | 0 | 2223 | 2468 | 90.1% |
| ov_SC03_111 | 2235 | 1701 | 0 | 2238 | 2510 | 89.2% |
| ov_SC03_112 | 2228 | 1703 | 0 | 2230 | 2526 | 88.3% |
| ov_SC03_113 | 2221 | 1703 | 0 | 2224 | 2468 | 90.1% |
| ov_SC03_114 | 2211 | 1701 | 0 | 2213 | 2415 | 91.6% |
| ov_SC03_115 | 2228 | 1701 | 0 | 2230 | 2472 | 90.2% |
| ov_SC03_116 | 2218 | 1701 | 0 | 2221 | 2438 | 91.1% |
| ov_SC03_117 | 2246 | 1701 | 0 | 2252 | 2557 | 88.1% |
| ov_SC03_118 | 2293 | 1725 | 0 | 2294 | 2685 | 85.4% |
| ov_SC03_119 | 2292 | 1725 | 0 | 2293 | 2685 | 85.4% |
| ov_SC03_121 | 2225 | 1701 | 0 | 2228 | 2459 | 90.6% |
| ov_SC03_124 | 2305 | 1697 | 0 | 2325 | 2741 | 84.8% |
| ov_SC03_125 | 2262 | 1701 | 0 | 2274 | 2588 | 87.9% |
| ov_SC03_126 | 2224 | 1703 | 0 | 2224 | 2423 | 91.8% |
| ov_SC04_000 | 2240 | 1705 | 0 | 2249 | 2546 | 88.3% |
| ov_SC04_002 | 2256 | 1701 | 0 | 2260 | 2636 | 85.7% |
| ov_SC04_003 | 2234 | 1701 | 0 | 2238 | 2502 | 89.4% |
| ov_SC04_004 | 2243 | 1701 | 0 | 2245 | 2558 | 87.8% |
| ov_SC04_005 | 2251 | 1701 | 0 | 2257 | 2612 | 86.4% |
| ov_SC04_006 | 2224 | 1701 | 0 | 2226 | 2454 | 90.7% |
| ov_SC04_007 | 2244 | 1701 | 0 | 2248 | 2569 | 87.5% |
| ov_SC04_008 | 2214 | 1701 | 0 | 2214 | 2415 | 91.7% |
| ov_SC04_009 | 2230 | 1701 | 0 | 2233 | 2441 | 91.5% |
| ov_SC04_010 | 2221 | 1701 | 0 | 2222 | 2419 | 91.9% |
| ov_SC04_011 | 2277 | 1701 | 0 | 2283 | 2803 | 81.4% |
| ov_SC04_012 | 2217 | 1701 | 0 | 2218 | 2420 | 91.7% |
| ov_SC04_015 | 2282 | 1702 | 0 | 2293 | 2611 | 87.8% |
| ov_SC04_016 | 2220 | 1701 | 0 | 2222 | 2440 | 91.1% |
| ov_SC04_018 | 2332 | 1736 | 0 | 2332 | 2857 | 81.6% |
| ov_SC04_019 | 2338 | 1736 | 0 | 2338 | 2857 | 81.8% |
| ov_SC04_020 | 2249 | 1701 | 0 | 2261 | 2567 | 88.1% |
| ov_SC04_021 | 2225 | 1703 | 0 | 2225 | 2423 | 91.8% |
| ov_SC05_000 | 2221 | 1705 | 0 | 2224 | 2422 | 91.8% |
| ov_SC05_001 | 2244 | 1701 | 0 | 2249 | 2574 | 87.4% |
| ov_SC05_002 | 2226 | 1701 | 0 | 2229 | 2442 | 91.3% |
| ov_SC05_003 | 2223 | 1701 | 0 | 2224 | 2481 | 89.6% |
| ov_SC05_004 | 2218 | 1701 | 0 | 2220 | 2464 | 90.1% |
| ov_SC05_005 | 2225 | 1701 | 0 | 2226 | 2491 | 89.4% |
| ov_SC05_006 | 2217 | 1701 | 0 | 2217 | 2430 | 91.2% |
| ov_SC05_007 | 2227 | 1701 | 0 | 2232 | 2482 | 89.9% |
| ov_SC05_008 | 2244 | 1701 | 0 | 2246 | 2543 | 88.3% |
| ov_SC05_009 | 2222 | 1701 | 0 | 2226 | 2438 | 91.3% |
| ov_SC05_010 | 2248 | 1701 | 0 | 2252 | 2588 | 87.0% |
| ov_SC05_011 | 2220 | 1701 | 0 | 2221 | 2409 | 92.2% |
| ov_SC05_017 | 2328 | 1698 | 0 | 2339 | 2842 | 82.3% |
| ov_SC05_018 | 2275 | 1701 | 0 | 2288 | 2673 | 85.6% |
| ov_SC05_019 | 2225 | 1703 | 0 | 2225 | 2423 | 91.8% |
| ov_SC06_000 | 2287 | 1710 | 0 | 2290 | 2691 | 85.1% |
| ov_SC06_006 | 2240 | 1701 | 0 | 2241 | 2511 | 89.2% |
| ov_SC06_008 | 2250 | 1703 | 0 | 2256 | 2542 | 88.7% |
| ov_SC06_010 | 2233 | 1701 | 0 | 2238 | 2517 | 88.9% |
| ov_SC06_011 | 2229 | 1701 | 0 | 2233 | 2468 | 90.5% |
| ov_SC06_013 | 2222 | 1701 | 0 | 2223 | 2425 | 91.7% |
| ov_SC06_014 | 2228 | 1701 | 0 | 2230 | 2453 | 90.9% |
| ov_SC06_015 | 2225 | 1701 | 0 | 2225 | 2421 | 91.9% |
| ov_SC06_016 | 2243 | 1701 | 0 | 2245 | 2549 | 88.1% |
| ov_SC06_018 | 2239 | 1704 | 0 | 2246 | 2665 | 84.3% |
| ov_SC06_020 | 2232 | 1703 | 0 | 2233 | 2518 | 88.7% |
| ov_SC06_022 | 2246 | 1701 | 0 | 2254 | 2642 | 85.3% |
| ov_SC06_024 | 2252 | 1701 | 0 | 2258 | 2667 | 84.7% |
| ov_SC06_025 | 2243 | 1701 | 0 | 2248 | 2572 | 87.4% |
| ov_SC06_027 | 2211 | 1701 | 0 | 2212 | 2408 | 91.9% |
| ov_SC06_029 | 2269 | 1701 | 0 | 2281 | 2662 | 85.7% |
| ov_SC06_030 | 2224 | 1701 | 0 | 2224 | 2456 | 90.6% |
| ov_SC06_032 | 2236 | 1702 | 0 | 2243 | 2658 | 84.4% |
| ov_SC06_033 | 2239 | 1702 | 0 | 2246 | 2631 | 85.4% |
| ov_SC07_000 | 2239 | 1705 | 0 | 2241 | 2521 | 88.9% |
| ov_SC07_001 | 2224 | 1701 | 0 | 2226 | 2454 | 90.7% |
| ov_SC07_002 | 2251 | 1701 | 0 | 2255 | 2579 | 87.4% |
| ov_SC07_006 | 1993 | 1549 | 0 | 2073 | 2456 | 84.4% |
| ov_SC07_007 | 2010 | 1550 | 0 | 2094 | 2614 | 80.1% |
| ov_SC07_008 | 2208 | 1701 | 0 | 2208 | 2386 | 92.5% |
| ov_SC07_009 | 2218 | 1701 | 0 | 2220 | 2430 | 91.4% |
| ov_SC07_010 | 2021 | 1550 | 0 | 2104 | 2526 | 83.3% |
| ov_SC07_011 | 2009 | 1549 | 0 | 2089 | 2450 | 85.3% |
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