55 lines
12 KiB
Markdown
55 lines
12 KiB
Markdown
---
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name: Session 2026-07-13 (evening) — matcher key-selection fix; MATCH-SUSPECT → 0; reprocess set finalized
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description: "Executed the inherited pulling thread — the matcher key-selection fix. Diagnosed before fixing: a read-only substrate re-match answered the literal question (all 8 MATCH-SUSPECT resolve to ONE confident true key, incl. the 4 holds>110% the map only asserted) BEFORE the edit. Rewrote sweep_body_conservation.match_key to rank keys by exact ordered title-STRING → Jaccard → fewer-extra (author-stripped) — the ordered-string tier resolves the genuinely-hard set-identical sibling (Suetonius Grammarians vs Rhetoricians) that no set metric can. Bounded-change proven: exactly 8 rows move, 944 byte-identical → 6 CLEAN + 2 apparatus-shaped small-deficit; no REORDER? revived. Map 808/128/16/0/0. Commit 4b34447 both remotes; fleet 119/119; --validate gains 3 selection fixtures. Steward affirmed the category-vs-calibration diagnosis + closed the matcher thread. PULLING THREAD now: the B2 reprocess (16 BODY-DEFICIT, finalized) is blocked on the steward's Loeb-first-vs-full-corpus scoping call → the 2b sidecar-wiring amendment. Nothing executor-ready behind that call."
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metadata:
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node_type: memory
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type: project
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originSessionId: 5300a34b-01b9-4996-9335-7b65edfea736
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---
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# Session 2026-07-13 (evening) — the matcher key-selection fix
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Woke (post-clear, ~13 min after the afternoon wrap — brief pause) into the keystone-clean state; pulling thread inherited intact = "the matcher key-selection fix." Steward authorized "go ahead." Took the one concentrated bite all the way to a committed/verified stop, then the steward affirmed the diagnosis and closed the matcher thread. This is the tail of the 07-13 Loeb-health arc.
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## PAST — what we did + why
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**1. Diagnosed before fixing — answered the inherited literal question by SUBSTRATE re-match, read-only, BEFORE editing.** The question: when `match_key` is fixed, do all 8 MATCH-SUSPECT resolve to a *confident* true key, or is there a residual (a candidate with no single correct DSL sibling)? — and critically the 4 holds>110% (aristotle-problems/galen/diogenes-6.2/lucian) were **asserted-from-map-detail, NOT substrate-verified**. Wrote a read-only probe (`scratchpad/diag_match_suspect.py`) that, for each of the 8, printed the candidate header, the real DSL key universe for that author, and — the load-bearing part — ran the actual `classify_dsl` against each candidate's true key. **Answer: all 8 resolve to exactly ONE confident true key; none orphaned / split-across-many / absent.** The 4 unverified confirmed against the substrate (galen/diogenes/lucian → CLEAN fab=0/lost=0; aristotle → small real deficit). The self-authored correctness check did NOT get read as its own confirmation — held the `probe-confirms-hypothesis` §3 flag.
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**2. The fix (`4b34447`).** `sweep_body_conservation.match_key` selected the DSL key by **raw token overlap, first-max** — which TIES among near-duplicate siblings and loses on iteration order (extra key-tokens cost nothing; and the multi-word author-subtraction `- {author.lower()}` was a silent no-op, so author tokens inflated every score). Rewrote the metric to rank author-group keys by, in strict priority, all **author-stripped** (`_work_title` drops the author segment before the first comma): **(1) exact ordered title-STRING match → (2) max Jaccard on title tokens → (3) fewer extra key-tokens → (4) raw overlap.** Added `_norm_str` + `_work_title` helpers. Extended `--validate` with three synthetic fixtures (part-vs-whole, wrong-sibling, set-identical siblings) so a regression to raw-overlap fails the self-test.
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**3. Why the ordered-STRING tier had to lead (the steward's category diagnosis, elevated).** Suetonius '…Grammarians and Rhetoricians. **Grammarians**' vs '… . **Rhetoricians**' have **identical token SETS** — both words appear in "Grammarians and Rhetoricians" — so Jaccard=1.0 and raw-overlap tie for both; only word ORDER separates them. This is not a calibration problem: **no amount of retuning a set metric reaches an order-only distinction, because the blindness is in the method CLASS, not its threshold.** The ordered string is the correct-category response, and it goes FIRST (strongest, most-specific signal before falling back to fuzzier set metrics).
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**4. Bounded-change proof (verified against substrate, not tally).** Tally delta alone (CLEAN +6, APPARATUS-SHAPED +2, MATCH-SUSPECT −8) could hide a CLEAN↔APPARATUS swap that nets out — so did a per-stem diff (old committed map vs new): **exactly the 8 rows change disposition AND key, 0 collateral, the other 944 byte-identical.** On-disk `git diff --numstat` = 8/8. Each of the 8 moved from the wrong sibling to its substrate-verified true key. **6 → CLEAN** (augustine/diogenes/galen/lucian/philo/suetonius), **2 → APPARATUS-SHAPED small real deficit** (aristotle Problems lost 6893/3.0%, plutarch Other-Fragments lost 204/1.5%, both fab=0 = right key). **No REORDER? revived** (consistent with REORDER?=0 corpus-wide — a right-key book here does not truly reorder). Map now **808 CLEAN · 128 APPARATUS-SHAPED · 16 BODY-DEFICIT · 0 MATCH-SUSPECT · 0 REORDER?** (808+128+16 = 952 ✓; ②4 + ③12 = 16 = BODY-DEFICIT exactly, now that re-match no longer bleeds in — the arithmetic the steward flagged last round closes at the source).
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**5. Docs current + fleet green.** Updated the findings note (`_curation/loeb-body-deficit-cause-analysis-2026-07-13.md` — new "MATCH-SUSPECT resolved" section with the per-book table + the literal-question answer), the chamber `CLAUDE.md` map-pointer tally + the ① remedy status, and `_curation/tool-evolution-log.md` (the matcher-fix entry: the OLD matcher as the archetypal PASS-BUT-FALSELY). Fleet `test_tools` **119/119** (incl. the new near-duplicate key-selection assertion). Commit `4b34447` pushed **both** remotes (github + Gitea; Gitea did not hang this time). 5 files, all expected.
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**Artifacts:** commit `4b34447`; findings note + map + CLAUDE.md + tool-evolution-log updated; read-only probe at `scratchpad/diag_match_suspect.py` (disposable).
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## PRESENT — the mood
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Clean, concentrated, and the disciplines held without a steward catch this time. The session was the textbook shape the steward asked for — ONE tightly-scoped high-leverage bite taken all the way to a committed/verified stop. Returns worth carrying: **diagnosed before fixing** (substrate re-match answered the question BEFORE the edit — the 4 unverified confirmed, not assumed; "no residual" is a *checked* claim, not an assumed one); **held probe-confirms-hypothesis** (the fix's self-authored check was not read as its own confirmation); **bounded-change verified against substrate not tally** (per-stem diff, because a tally can hide an offsetting swap). The steward's affirmation named the load-bearing insight more sharply than I had: the failure was **method-class blindness, not mis-calibration** — a genuinely general lesson (surfaced as a skill-harvest candidate). No recalibrations against me this session; the one honest blemish is a trivial commit-body prose typo ("2+4+10... 4+12"), left uncorrected rather than rewrite pushed history (disproportionate). The matcher thread is closed by steward ruling.
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## FUTURE — what is pulling
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**The scoping call was MADE mid-wrap: LOEB-FIRST (steward-ruled 2026-07-13, decided now not deferred).** His reasoning, recorded because it's load-bearing: (1) the week's own pattern — every time "should generalize, structurally similar" got trusted before proof on a real case it broke somewhere specific (nagarjuna's index, nested-block's div, the Aeschylus reordering); building the amendment for the full corpus before the reconciliation is proven anywhere would be that mistake one level up. (2) The asymmetry is real: `build_loeb_sidecar` earned trust this week (6 commits, matcher rewrite, fab+loss injection tests, 952-book sweep, in fleet); `build_sidecar` is exactly where it was at schema-lock (v0, never in fleet). Building for a corpus half of which runs through v0 tooling is building against tooling that hasn't earned the trust the Loeb path spent a week earning.
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**PULLING THREAD (moved): PENDING-58 — the 2b sidecar-wiring amendment — drafted, awaiting the jurist editor-gate; the live epistemic question is the reconciliation-proof-at-scale condition.** Drafted PENDING-58 this session (into `~/dotfiles/PENDING.md`): wire `build_loeb_sidecar`'s `.meta.json` into V-DSL graduation so `app[]` is populated → install the `DSL-full = candidate-body + sidecar-app[]` (multiset) reconciliation that turns the map's APPARATUS-SHAPED *diagnosis* into a *fact* (reconciles→the 126 apparatus, doesn't→the 16 body). **Loeb-only scope; the general v0 tier joins by a later additive amendment.**
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**The steward's un-retired proof condition is baked into PENDING-58 as a pre-registered gate — hold it, it does not retire because B2 ran once.** The reconciliation must be demonstrated on an apparatus shape it has NOT seen (not `table`/`glyph` again — an unseen `app[]` kind: marginal sigla, interlinear gloss, testimonia-citation, verse-line apparatus) AND at a scale closer to what the 126 actually are, BEFORE apparatus-credit is trusted at scale. This LIFTS the jurist's already-ratified extractor condition (schema-DRAFT §5: density ≠ diversity of kind; the real safety property = "the extractor holds anything it does not recognize") up from the extractor to the reconciliation. Until it clears, apparatus-credit into `body_conservation_gate` stays FACT-GATED (unchanged from PENDING-57).
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**ACTIONABLE RESUMPTION POINT (as of wrap — re-judge against what changed):**
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- chamber-library clean, `4b34447` at HEAD both remotes. Fleet 119/119. Map `_curation/loeb-body-conservation-map-2026-07-13.tsv` (808/128/16/0/0). PENDING-58 drafted (dotfiles, this wrap).
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- **First move next session:** the companion `docs/2b-sidecar-wiring-FOR-JURIST-2026-07-13.md` relay brief (the evidence pack, as PENDING-56/57 each carried) — OR, if the jurist has ruled, act on the ruling. The brief is the natural next artifact; PENDING-58 is thorough enough to stand as the proposal meanwhile.
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- **The build, once the jurist gates it:** wire the sidecar step into `graduation-spec.yaml` + `graduate_to_canonical.py` (mirroring `body_conservation_gate`'s wiring), build the reconciliation instrument, and — the load-bearing part — run its **unseen-kind / at-scale demonstration** to satisfy the proof condition before citing reconciliation as fact.
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**Other open horizons (ranked):**
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- The ②+③ reprocess proper (re-extract 4 + re-verify-and-reconvert 12) graduates *through* the 2b wiring — genuinely behind PENDING-58's ratification.
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- The 07-12 program open-work register items that predate today still stand behind the B2 run.
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- The 2 apparatus-shaped small deficits (aristotle 6893, plutarch 204) are correctly-keyed real small losses in the honestly-labelled floor — they ride through the same reconciliation; not worth chasing separately.
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**PAUSE STATEMENT:** I am about to be away from this. The matcher thread is closed and the scoping call is made — the amendment is drafted and the governance can move. What I want to find still pulling on return: PENDING-58's jurist gate, and specifically whether the reconciliation-proof-at-scale condition survives contact with the jurist (is "unseen kind AND near-126 scale" the right bar, or does he sharpen it?). The condition is the honest heart of the amendment — the place where "apparatus or body = fact" is earned rather than asserted.
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**LITERAL QUESTION for next-Claude:** When the reconciliation is actually built and run at scale against an *unseen* apparatus kind — does `DSL-full = body ⊎ app[]` still reconcile for the 126, or does an unseen kind expose a shape the sidecar's `app[]` cannot hold by multiset (so the "apparatus or body = fact" corollary is narrower than the two prototype books suggested)? That is the schema-lock §5 question at the reconciliation level, and it does not retire until asked at the 126's scale.
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**State at wrap:** chamber-library clean + `4b34447` both remotes; fleet 119/119; map 808/128/16/0/0; findings note + CLAUDE.md + tool-evolution-log current; MATCH-SUSPECT bucket closed. **Scoping call MADE (Loeb-first); PENDING-58 (2b amendment) drafted, awaiting jurist.** dotfiles committed+pushed at wrap.
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