llm-ingestion-okf/CLAUDE.md
Kjell Tore Guttormsen cb23de4700 docs(okf-v0.2): supporting the latest OKF version becomes standing policy
Operator directive 2026-07-26: the library always supports the current
latest version of Google OKF. v0.2 shipped 2026-07-25, so v0.2 support is
committed work rather than something a consumer has to request. This
overrides the previous default answer to open question V3 ("no until a
named consumer asks"), which is kept in the plan marked superseded so the
override reads as deliberate.

Support is additive: a new profile, never a migration of the existing two.
That single design choice is what makes an always-latest policy sustainable,
and it resolves the tension the directive would otherwise create with three
constraints that do not yield to it:

- DEFAULT states commons' ingest-spec section 5 layer, so its `generated`
  shape is commons' call. Under the additive design this stops blocking us,
  which takes commons off the critical path.
- STRICT_V1 mirrors the proving consumer's ratified contract; changing
  another repo's contract from here would violate O2.
- v0.2 defers the attestation receipt and verdict wire formats upstream, so
  the format is supportable and the unspecified runtime is not. It re-enters
  scope when upstream specifies it.

This is also the first time the phase-3 profile abstraction is forced by
something outside this repo rather than by a second consumer, which is the
better test of whether the seam was cut in the right place.

Deliverables D1-D6 replace the earlier decision-round framing: a frontmatter
model that can carry block lists (`sources`, multi-verifier `verified`), an
OKF_V0_2 profile plus an OKF_LATEST alias whose moving-target tradeoff is
documented rather than hidden, Door C conformance against the consumer
tolerance rules, `Attested Computation` round-trip, v0.2 golden fixtures, and
a release-checklist re-check so the standing policy cannot decay silently.

Two new assumptions carry the weight. V-A7 forbids any profile from emitting
`timestamp` together with a malformed `generated`, since that combination
would have neither a valid `generated.at` nor an eligible section 13.1
fallback. V-A8 validates our own v0.2 fixture against upstream's reference
implementation, because every other test in the suite only asks whether we
agree with ourselves.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01A2aKJxLejT9S8jYwoZ9fut
2026-07-26 13:41:30 +02:00

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# llm-ingestion-okf
## Context
Shared OKF (Open Knowledge Format) ingestion library. Three entry doors,
one boundary rule:
- **Door A — spec-based ingestion:** implements the normative
`ingest-spec.md` owned by `portfolio-optimiser-commons` (manifest →
`file`/`sql`/`http` connector → deterministic materialization of
`ingest-{id}.md` → index generation; zero model calls). This repo
IMPLEMENTS the spec; commons keeps authorship. Spec changes the library
needs go via commons, never edited locally. The library ships the §11
golden fixtures (byte-exact) for the three door-A source types
(`ingest-golden-{file,sql,http}/`, shipped in `9dd86b1`).
- **Door B — bundle inbox:** converts dropped files to OKF concepts. All
file-type→text extraction lives HERE (the guard is text-only). v1 core:
`md`, `txt`, `csv`, `json`, `html` (stdlib). `pdf`/`docx`/`xlsx` only via
the optional `[extract]` extra; without it those types are rejected
fail-fast.
- **Door C — external bundle import:** third-party OKF bundles are assessed
per concept via the guard's `okf.import_bundle`; only concepts clearing the
guard's non-blocking floor are merged/indexed here. Two invariants, both
load-bearing: a merged concept is written **verbatim** (this library's
line-oriented frontmatter parser cannot round-trip the block lists the
guard's parser accepts, so stamping an external concept would destroy sender
data and persist bytes the guard never screened), and ownership is therefore
proven by **content identity** — an occupied target name is re-used only
when the bytes there are already identical, never overwritten otherwise.
**Boundary rule (non-negotiable, zero overlap):** `llm-ingestion-guard`
(pinned `>=0.2,<0.3`) answers "is this content safe to persist?" —
scan/sanitize/quarantine/fail-secure/provenance-stamp. This library is
plumbing: connect source → materialize deterministic OKF bundle → generate
index. Never reimplement security; call the guard at persist gates
(`prepare_input`/`screen_output`, `okf.import_bundle`). When in doubt which
side of the boundary something belongs on: ask the operator.
**Implementation baseline:** the stricter behaviors from
`portfolio-optimiser` (streaming row caps, utf-8-sig, in-memory staging with
pre-mutation collision gate, validated `ingested_at`, typed `IngestError`)
are the library baseline. First consumer: `portfolio-optimiser-claude`.
### Roadmap (committed phases — all known OKF surfaces get covered)
1. **Phase 1 — Door A (Python).** ingest-spec implementation + the §11
golden fixtures. Consumers: `portfolio-optimiser-claude` first, then
`portfolio-optimiser`.
2. **Phase 2 — Doors B/C (Python).** Bundle inbox and external-bundle
import, guard-gated.
3. **Phase 3 — Configurable bundle contract.** Types, layers, frontmatter
sets, index shape, and reserved-file policy become config instead of
constants; proving consumer is `claude-code-llm-wiki` (`strict-v1`
profile). Two consumers hold opposite postures on whether an index is
authored or directory-derived, so neither is a library invariant and
nothing here enumerates a directory unless the profile says derived.
4. **Phase 4 — Node half (`node/`).** Zero-dependency Node/ESM package
(importable *and* CLI-invokable, vendorable per plugin — matching the
marketplace precedent) for the second-brain world: bundle check, index
generation, inbox split/frontmatter/write, and doc conversion
(docx/pdf/eml/html → md). Covers okr, linkedin-studio, ms-ai-architect,
and the marketplace catalog.
The two halves share the OKF contract and fixture suite, **not code**.
### Upstream version policy (standing, non-negotiable)
**The library always supports the current latest version of Google OKF.** Set by
the operator 2026-07-26. Phases 13 were built against v0.1; v0.2 shipped
2026-07-25, so v0.2 support is committed work — not contingent on a consumer
asking for it. Plan: `docs/plan/okf-v0.2-alignment.md`.
Support is **additive, expressed as a new profile**, never a migration of
existing ones. This is what makes the policy sustainable instead of a recurring
crisis, and it is bounded by three facts that do not yield to it:
- `DEFAULT` states commons' ingest-spec §5 layer — its `generated` shape is
commons' call, raised there, never patched locally.
- `STRICT_V1` mirrors the proving consumer's ratified contract — changing another
repo's contract from here violates O2.
- `okf_version`'s *value* belongs to catalog (decision E1).
Two invariants fall out: no profile hard-codes an upstream version, and no bundle
declares a version its shape has not earned. Where upstream itself defers a
contract — v0.2's attestation receipt and verdict wire formats — the format is
supported and the unspecified runtime is not; it re-enters scope when upstream
specifies it. Because "always latest" decays silently, the release checklist
carries an upstream-version re-check.
Phase 4 preconditions (coordination, not unilateral moves):
- Lifts okr's reference implementations (`okf-check.mjs`, `okf-index.mjs`,
innboks libs) in agreement with okr and the marketplace catalog; the
catalog remains the convention owner and re-pins its shared gate here.
- linkedin-studio's `ingest/published/` provenance-record grammar stays
plugin-local by design (different lifecycle) — do not normalize it.
- The Node-side persist gate remains security territory: guard-as-contract
(per okr's adoption doc) until a Node guard exists in the security repo.
No security reimplementation here, in either runtime.
### Non-goals (all phases)
- Verdict/feedback machinery (method-spec) — stays in consumer repos.
- Embedding/RAG/retrieval layers.
- Security functionality — always the guard's domain.
## Stack
Python 3.10+. Package `llm_ingestion_okf` (src layout, hatchling).
**Exactly one runtime dependency, ever:** `llm-ingestion-guard>=0.2,<0.3`
(itself zero-dep), landed with the Door B/C persist gates. Everything else is
stdlib, and a packaging test enforces it. Only `guard_adapter.py` imports the
guard; importing the package does not. Install channel until the package
index exists (a direct reference is a channel, not the pin):
`pip install "llm-ingestion-guard @ git+https://git.fromaitochitta.com/open/llm-ingestion-pipeline-security.git@v0.2.0"`.
Binary extraction parsers live behind the `[extract]` extra only.
Phase 4 adds a `node/` half: Node/ESM with zero npm dependencies
(`node:` builtins only), both importable and CLI-invokable, consumed by
vendoring per plugin rather than npm publishing. The halves share contract
and fixtures, never code.
## Conventions
- Type hints everywhere; `mypy --strict` target.
- Determinism is bit-exact: `ingested_at` is an explicit required argument
(no wall-clock defaults); LF-only output; golden fixtures compared
byte-for-byte.
- No model calls anywhere in the run path.
- Credentials only as env-var *references* resolved at runtime; never in
manifests, logs, or frontmatter.
- Network access requires an explicit per-run opt-in flag; refuse fail-fast
otherwise.
- Conventional Commits: `type(scope): description`.
- English for all code, docs, and commit messages (public repo).
## Commands
- Test: `pytest`
- Lint: `ruff check .` + `ruff format --check .`
- Type check: `mypy --strict src/`
## Workflow
- TDD: no production code without a failing test first.
- This repo is published PUBLICLY (`open/` namespace on Forgejo). `STATE.md`
and `docs/oppstartsprompt.md` are LOCAL-ONLY (gitignored) — never commit
session state or internal briefs. No secrets, sober English prose, no
marketing language.
- After `git commit`: push to Forgejo (`git push origin`) immediately.
Never GitHub.
## Communication patterns
### Linking to local files
When pointing to local files in responses, always use markdown link syntax
with a descriptive name:
- Use `[Human-friendly name](file:///absolute/path)` — never bare
`file:///...` URLs or autolinks `<file://...>`.
- Always use absolute paths. Never `~/` or relative paths.
- For multiple files, render as a bullet list of named markdown links.
Why: bare `file://` URLs only render the first as clickable across multiple
lines. Named markdown links make each entry independently clickable and look
cleaner.