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Embedding-based `semantic` chunking (the strategy behind ingestion's `NotImplementedError`) — deferred until a deterministic-snapshot mode is designed

Aperta
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Valutazione

Difficoltà
5/5
Tempo stimato
Più di una settimana
Idoneità per principianti
8/100
Tipo di issue
Funzionalità
Chiarezza
Da chiarire
Stato di attività
Attiva
Stack tecnologico
python
Ambito
backend

Direzione di ricerca

The stub is _chunk_semantic in forgelm/ingestion.py, which raises NotImplementedError; its message points at docs/roadmap/risks-and-decisions.md rather than this issue. The feature is explicitly deferred until a deterministic-snapshot mode is designed, so there is no implementation to start. A newcomer can only usefully link this issue from the error message (via #712) and wait for the condition to hold.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

area: ingestion deferred severity: low source: roadmap wave: 4

Deferred work · F-PR29-A6-05 · severity Low · cost the feature: not estimated · recorded in docs/roadmap/risks-and-decisions.md:98

Summary

forgelm/ingestion.py reserves a semantic chunking strategy that raises NotImplementedError, and its message points users at a roadmap table row instead of an issue. The work was deferred at Phase 12 because a runtime embedding-model dependency and non-deterministic chunk counts conflict with air-gapped, reproducible Annex IV evidence. This issue is the tracker the error message should link to.

Condition or budget

Only viable once a deterministic-snapshot mode is designed (Phase 12's won't-do list in completed-phases.md).

State today (re-checked 2026-10-09)

_chunk_semantic raises NotImplementedError; no issue tracked the feature before this one.

Related

#712 asks for a real issue URL in the NotImplementedError message — this issue; #837 suggested pointing at the roadmap row instead.

Acceptance criteria

  • The NotImplementedError message links this issue (through #712).
  • When the condition holds: a deterministic, air-gap-safe semantic chunker with a pinned embedding snapshot and reproducible chunk counts.
  • The row is removed from the deferral table and the CHANGELOG names its ID (the table's removal contract).

Recorded in docs/roadmap/risks-and-decisions.md (read at f94595f) and re-checked against the code on 2026-10-09. The row leaves that table only when the fix is on main, the CHANGELOG names its ID and any promised guard exists.

Lingua principale
Python
Stelle
9
Fork
1
Merge medio
7h 42m
PR unite (30g)
4

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Come iniziare

  1. Leggi tutta la issue e poi la guida ai contributi del progetto.
  2. Commenta sulla issue per dire che te ne occupi tu — evita che due persone facciano lo stesso lavoro.
  3. Fai un fork del repository e lavora su un branch.
  4. Apri una pull request che faccia riferimento al numero della issue.

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