The companion to neighbor_ref.py (built). Written so a session with none of S68's
context can finish it: what it is, where it sits in the pipeline, that
tools/residual_rules_b.py is already ~70% of it with its held-out scores, the
asymmetric failure mode that makes the R39 acceptance test mandatory (a false
'skip - already banked' silently drops a bankable function), and the falsifiable
predictions.
Includes the immediate payoff, verified by me rather than taken on trust: 10 drafts
are byte-MATCHES once an extern derived from the target's own .s is added (10 of 10
confirmed with match_one, closeness 0, patched drafts at .run/rules_b/*/autodecl.c),
plus 22 more that already match standalone and were misfiled as failures.
Also records the experiment's most important number: two INDEPENDENT
implementations converged at ~1-2% on pure cookbook-shape rules, so that tier's
ceiling is the POPULATION (surgical residuals live at the end of escalations, not
in first-pass wave output) and it belongs in escalation loops, not wave triage.
Drew T
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