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BFM-decomp/docs
Drew T adafeb13d6 feat(phase-29): T0.3b autopsy — 44% of the "near-miss backlog" are not near-misses; 315 are plumbing-blocked MATCHes
Recomputed every backlog residual from the bytes (1,699 rows, -j 12, zero agent tokens) through the
validated match_one path, deriving asm-subdir + -O0 from corpus.py. R34 cross-check PASSED (closeness
agreed with masked_diff.structured_diff on all 1,610 built rows, 0 classifier errors); 89 nobuild rows
REPORTED not dropped (R32).

BUCKETS: redraft 707 | structural 528 | integration 315 | permuter 57 | unknown 3.

1. HONESTY CORRECTION: 707 of 1,610 (44%) are class SIZE-MISMATCH — the stored best-draft is a
   PARTIAL, an incomplete attempt logged with a closeness score (the func_80183814 666-of-5,122
   shape). docs/backlog.md has been overstating readiness by ~44%. These route to a FRESH CRACK,
   not to a wall and not to the permuter.
2. ACTIONABLE: 315 entries are match_one MATCH *right now*, blocked only on the reconcile ladder —
   recomputing beat trusting the stored label because the tree moved since they were logged.
   ~108,959 gain-ins; top func_80174CB0 (16,482), func_801463A0 (13,534). §52b still applies: ~half
   of close=0 drafts fail the whole-binary gate, so these are CANDIDATES not banks.
3. The permuter bucket is 57/1,610 = 3.5% (Task-13B measured 7.7% and called targeting the problem).
   Extending the mutation set is CONFIRMED not the big lever — small, real, now bounded.
4. R34 again: 3 of 4 comparable labels DISAGREE with measurement — func_80140D68 / func_8012A328 /
   func_801549F8 recorded "schedule" but measure ADDRESSING -> cse. The grinder was aimed wrong.

CONVERGENCE: T0.2 (8/8 failures PLUMBING, 0 walls) and T0.3b (315 integration) independently point at
the SAME lever — the declaration/integration reconcile ladder, worth the 224,410-ins FREE pool AND
~108,959 backlog gain-ins. Two keys eliminated today; untried: canon_sig_reconcile v3.2 and
reconcile_decls.py (the DATA-symbol analog — one T0.2 failure text was a DATA symbol).
2026-07-26 13:25:29 -06:00
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