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fallback-arm census (W2): catch-all-that-answers lens + register - #7260

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briansrls merged 19 commits into
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session/bright-newt-31
Jul 26, 2026
Merged

briansrls merged 19 commits into
mainfrom
session/bright-newt-31

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@briansrls briansrls commented Jul 25, 2026 •

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Summary

  • Lands the W2 fallback-arm census (docs/plans/fallback-arm-census.md): every match wildcard arm classified into exactly one of Refuses / CompletesClosedTotal / DeclaredInterim / AnswersOnOpen (✗) / ClassifierUnknown — zero production behavior change.
  • Lens v2.lens.fallback_arm_census + planted per-PR fixtures; host seam fallback_arm_census_* over MatchPattern::Wildcard; corpus receipts on falsifier_substrate_long_lane; seed compiled-fallback-table inventory (24 .rs files); registry FallbackArmCensus.
  • Exemplar defect (route, don't fix): wrap-decision Instantiation bypass (docs/probes/gate1_repr_mismatch_e0308_diagnosis_2026-07-24.md).

Test plan

  • cargo fmt --all --check
  • planted: claim_batch --source-root dag --source-root src/v2 --entry src/v2/test/claim/fallback_arm_census_planted_test.dag --functions …
  • long: claim_batch … --entry src/v2/test/claim/long/fallback_arm_census_witness_test.dag --functions fallback_arm_census_reconciliation_holds,…
  • CI build/regen/heal green on HEAD (ci floor in progress)

Out of scope

408 unwrap_or sites; ExpectedOutcome/#7216; fixing owned AnswersOnOpen arms; Class F staffing.

Brian Searls and others added 17 commits July 25, 2026 16:33
Authority worklist + roadmap follow-on so Class C rows can clear the 5s PR bar without absorbing cost-shape defects.

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
Self-host fixed-point drifted because the seed inserted the census
builtins before complexity_linearity_syntactic_site_fired.

Co-authored-by: Cursor <cursoragent@cursor.com>
@gunbai-bot gunbai-bot Bot changed the title test decomposition fallback-arm census (W2): catch-all-that-answers lens + register Jul 26, 2026
@gunbai-bot
gunbai-bot Bot marked this pull request as ready for review July 26, 2026 00:45
@briansrls
briansrls merged commit 2fb64d5 into main Jul 26, 2026
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@briansrls
briansrls deleted the session/bright-newt-31 branch July 26, 2026 02:58
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