First composition lift-target built end-to-end: cv-0005 (train_sample 0037)
now resolves in the sealed pool as goal - Σprogress = 10 - 3 - 4 = 3.
- generate/derivation/goal_residual.py: new R4 production. Reads a GOAL anchor
(goal-intent lexeme) + a residual question, subtracts each same-referent
progress quantity (progress reduces the residual regardless of world-polarity).
Gated by the unchanged self-verification gate.
- wrong=0 firewall (test_reads_goal_not_possession): on a gain goal the
goal-residual (20-5-6=9) DIVERGES from possession-accumulation (20+5+6=31);
the production gives 9 and is all-subtract -> it reads the goal, not the
possession. This is the coincidental-correctness trap cv-0005 alone hides
(10-3-4 == 10-(3+4)).
- pool.py: goal_residual added to pooled_candidates (sealed). Verified: fires on
exactly one train_sample case (0037, correct), zero new pool wrong-commits
(the 8 are pre-existing, gated off serving by product_bridge).
Does NOT move the serving metric: train_sample stays 6/44/0 byte-identical
(serving = candidate-graph; product_bridge promotes only pure products, never a
subtract chain). The serving promotion gate for goal-residual is the next,
separately-gated step (needs the sealed 1,319 verdict). Smoke 73, math 4,
derivation/pool/practice 196, corpus, completeness-guard all green.
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