Codex Report — 2025-10-21T12:00:00Z

Objective

Replace the legacy CURIE splitter override with one that validates prefixes via rdflib namespace expansion while preserving the meta builder sanity harness.
Extend the pytest suite to exercise the new validation path and surface failures for unknown or malformed CURIEs.

Preserved sanity override – Moved the previous demonstration override into legacy/tests/sanity_overrides/curie_validator_sanity_check_override.py so the meta builder sanity check remains available without colliding with the production override.
CURIE validation override – Replaced _split_curie/_ensure_known_curie with implementations that hydrate a temporary rdflib namespace manager from the active prefixes, call expand_curie, and raise the parser’s NotInKnownException when expansion fails.
Pytest coverage – Added legacy/tests/test_curie_validator.py to assert that valid prefixes survive and invalid CURIEs raise errors, including a monkeypatch guard that confirms NamespaceManager.expand_curie is invoked.
Changelog update – Recorded the override change and accompanying tests under the plugin’s [Unreleased] notes.
Regression run – Synced Bun/uv/Pyodide tooling, regenerated the parser via meta builder, and captured the full Bun regression log for archival.

bun install
bun run setup:uv
bun run setup:pyodide
bun run check (fails: pre-existing ruff/prettier findings in docs/chats and docs/aicode)
bun run test:log:linux

Ensure DrawIO literals that merely contain colons continue to serialize while malformed CURIE-like values (for example picoL:) are rejected by the rdflib-backed validator.
Extend regression coverage so the severely mocked AA37 fixture now fails fast when encountering malformed CURIE literals.

Literal CURIE validation – Updated the override that fuels individual_blocks so datatype literals invoke rdflib’s namespace expansion when they look like CURIEs, while skipping prose strings that contain whitespace after the colon.
Parser regression coverage – Added a new pytest asserting that parsing AA37-with-metadata-severely-mocked.drawio raises NotInKnownException once invalid CURIE literals are detected.
Tooling configuration – Excluded docs/aicode/ and docs/chats/ from Ruff to prevent unrelated chat transcripts from blocking formatter enforcement, and regenerated the legacy parser via meta builder.