session 2026-07-05: exclusion path ratified+applied (PENDING-47) — Region 1 closed

Exclusion path jurist-ratified with 2 §1 corrections, applied; 4 FPs excluded
(confirmed-wrong, Instrument-B 0/5). Region 1 closed for the known cases. Frontmatter-
sweep-at-scale surfaced [needs-authorization]. Ledger + PENDING-47.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Dsqe1x23NgWaRdiFWSotur
This commit is contained in:
David F Glidden
2026-07-05 18:41:46 +02:00
co-authored by Claude Opus 4.8
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- 2026-07-05 — **PENDING-48 filed** (`~/PENDING.md`): routes Studium V0 (verifier contract) to the jurist as a method-gate — the one named D-1 exception (rebuild-plan §8.5). Two decisions surfaced, leans given not decided: §2 the "unaltered" equivalence relation (the held literal question; lean (B) normalizer@1, flagged possibly-doctrine); §5 the pre-registered V2 thresholds (CP-upper-bound; small-n honesty). **Held at the boundary: no V1 code.**
- 2026-07-05 — V0 drafted (`studium-engine/docs/spec/v0-verifier-contract.md`, DRAFT-awaiting-jurist) + N0 drafted (`docs/spec/n0-navigation-tree-contract.md`, D-1, inhabitable, no jurist gate). Both grounded in code read this session (normalizer@1, sidecar schema, coverage-ledger warrant), not the plan's prose. **Uncommitted — commit+push held for steward's word** (studium is D-1 direct-to-main; not explicitly asked to push).
- Contamination watch honored: did not let V0 silently decide the doctrine question (surfaced with lean, marked jurist's); thresholds presented as pre-registered-pending-gate, not settled; resisted the pull to build V1 past the boundary.
- 2026-07-05 — **Jurist gate CLEARED (both §2, §5), with conditions.** Ruling recorded at source, not just relayed: V0 DRAFT→v1.0 (Ruling section); the **`fidelity_equivalence@1` fork** landed in `cluster-a-data-model.md` §5.1 (doctrine split visible at source, per the ruling's explicit instruction); PENDING-48 closed (REVIEWED entry owed). Standing conditions carried: proportional-expansion rule (§5), display↔threshold coupling (§5), diplomatic-gold caveat (§2). V1 + N1 now unblocked. Still uncommitted — commit/push held for steward's word.
- 2026-07-05 — **Jurist gate CLEARED (both §2, §5), with conditions.** Ruling recorded at source, not just relayed: V0 DRAFT→v1.0 (Ruling section); the **`fidelity_equivalence@1` fork** landed in `cluster-a-data-model.md` §5.1 (doctrine split visible at source, per the ruling's explicit instruction); PENDING-48 closed (REVIEWED entry owed). Standing conditions carried: proportional-expansion rule (§5), display↔threshold coupling (§5), diplomatic-gold caveat (§2). V1 + N1 now unblocked. Then committed+pushed on steward's word (studium `4140fad`, dotfiles `70ad599`).
- 2026-07-05 — **Shift to chamber. Region 1.1 exclusion path BUILT + TESTED (`[agentic + flag]`).** Diagnosed the pin mechanism, traced the archiver consumer (conf=="high" → excluded records ignored, no archiver change), built test-first: attested-absence via `source_verified.result: confirmed-wrong|none-on-disk`; positive-attestation guard preserved. 37/37 tests (7 new), full real-corpus run byte-identical (inert → zero regression). Surfaced for jurist ratification (PENDING-47 sub-entry); **held from real canonicals** until the pattern is ratified. Uncommitted.
- 2026-07-05 — **Exclusion path RATIFIED-WITH-CORRECTIONS; §1 corrections applied (Phase A).** Jurist required two corrections, both right (closed default-by-absence gaps): (1) exclusion → its own honest key `source_excluded:` (not a verdict inside `source_verified:`); (2) `result: verified` explicit+required on pins → migrated the 5 existing pins. Shared guard `_valid_attestation` (defined once). 37/37 green, matcher byte-identical (5 pins still honored). Recorded per the ruling (PENDING-47 updated; FOR-JURIST banner). **Region 1.2 now `[agentic]` with diff-before-commit** — held for steward go + the none-on-disk evidence standard. Uncommitted.
- 2026-07-05 — **Region 1.2 APPLIED + committed.** Steward "yes and yes" → attested the 4 FPs. Verify-against-substrate CORRECTED the map: all 4 are `confirmed-wrong` (concrete wrong candidate on disk), not 3 none-on-disk — incl. reverie's same-author-wrong-work `suspect=False` blind spot. Instrument-B 0/5 evidence each; source-matches.json change provably bounded to the 4 (315 others byte-identical). Diff surfaced → steward "reads right" → committed+pushed the exclusion arc. **Region 1 CLOSED (known cases).** NEW: frontmatter-sweep-at-scale surfaced ([needs-authorization]; scope-first; honesty constraint = no fabricated provenance).
## Sub-agent dialogues