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Marius CiepluchandClaude Opus 5.5
e6ed7854bb
learn/sources.toml is the fail-closed source list: every read goes through one guard that refuses an unlisted path or an [[excluded]] file name before opening it, and a source whose evaluation record is missing cannot label. Population v3 is named only as excluded, by file name, and is never opened (tested with a v3-named fixture and open/read_text tracked). learn/labels.py and `ousast learn labels` apply the design's rules: v2 declared sites and v1 fix-range functions positive, the same function on the fixed pin negative only when the fix changed it, introduce/repair delta units, benign control pushes as conditional negatives; pairs vulnerable/fixed (unscorable and title tier out, title as a sensitivity arm); dev-php recipe known functions; recorded adjudications with their reasons. v2 rows are labels marked design_informed, as the design says. Repository groups: normalised owner/name, merged by shared CVE/GHSA, shared fix commits and [[alias]] rows. assumed_benign (maintainer decision): ordinary commits of the population repositories, >= 90 days from any fix, no later security commit touching their files, weight 0.5, conditional, reported separately and never merged with verified negatives. The security filter is multilingual (CJK, Korean, Russian, European and other languages) plus CVE/GHSA/CWE references and dependency bumps; widened after reading accepted pushes (validation, passwords, guards). First snapshot, counts only (benchmarks/measurements/2026-09-30-decision-engine- labels/labels.json): verified pin labels in positive/negative repository groups injection 44/41, untrusted_destination 35/34, deserialization 20/20 (per-family), output_encoding 15/15, path 15/14, access_control 12/12 (pooled), config_secrets 5/5, memory 5/5 (insufficient). assumed_benign: 969 pushes in 27 groups from 36,000 commits scanned. Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01EmM1j46qgKMh3zqD1QMwEo