Elamur Groupantsmova-nightingale-work
The groupant beside tools/nightingale/src/work.rs in the Mova repository: what the code computes, what it never does, how to go back from its outputs, its invariants, cost and checks.
Facts
Implementation material. A Mova code model describes this code at one source revision: partial models, finite checks and their stated scope. It is not a reviewed general exposition, and its labels are shown as written, never raised.
Components
| component | label | where |
|---|---|---|
| Approximant | partial | Forward approximant |
| Ast | partial | syntax.json |
| Composition | partial | Composition |
| Cost | partial | Cost |
| Descriptant | present | Descriptant |
| Invariant | partial | Invariant |
| Tests | finite evidence | Tests |
Obernants
The typed relations around the forward model: the behaviour complement (what the code never does), the reverse reconstruction (every input compatible with an output) and specialised views.
| relation | type | label | where |
|---|---|---|---|
| Behavior complement | behavior complement | partial source derived model | Behavior complement |
| Reverse reconstruction | reverse reconstruction | partial source derived model | Reverse reconstruction |
Model text
Descriptant
The work loop beside the Eel: count new units, freeze the dev sample, hand off generations with READY, scan parallel pairs for loan-use, purist and loan-candidate flags, record translators' choices, and ask the Sol. Source: tools/nightingale/src/work.rs.
Forward approximant
step: count_new -> freeze_dev -> build_handoff (lineage new and build_share reached; deltas learned) -> scan_step (cursor, flags once per kind/word/register; a copied word next to another copied word rare in the language is a code-switched fragment, not a loan candidate; proposals) -> consult_step (paced, at most 10 items, strict answer -> proposals) -> work.jsonl.
Invariant
The same lineage is never built twice; nothing is deleted; proposals are review-only; a Sol question is never repeated; an error stops the loop.
Cost
A step: its units' counting plus scan_per_step parsed rows.
Composition
Parent: nightingale.
Behavior complement
Never writes the hand list, a manual or an installed model; never holds the GPU. Evidence status: source-derived model with finite checks, not a proof.
Reverse reconstruction
work.jsonl, proposals.jsonl, chosen.json, scan.json, sol-queue.jsonl and sol-asked.txt recover what was done.
Tests
Checks
tests/english.rs work loop; tests/model.rs handoffs. These are finite fixtures and measurements; not a proof.
History
2026-11-06 · document
Epoch 2026-11-06
First model, written with the source (the Nightingale: one per language under the Eel; a standard naturalness model with variety deltas).
Observation 2026-11-06
On 20 000 Europarl pairs the unlisted-copy flags fell from 84 (bigram orthography, any English frequency) to 68 (character-trigram orthography, 4× English ratio) to 26 (fragment rule, seen twice); about 9 of the 26 read as English loans in French use. Precision is unreviewed.
Provenance
This page in Markdown → https://md.groupants.elamur.ai/free/en/mova/tools/nightingale/src/work.rs.groupant/