chore: add read-only duplicate-issue auditor - #595
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Pairwise Jaccard-scores every open GitHub issue's title+body against every other open issue, independent of local feature_backlog state, to catch duplicates that slip past insert_feature_proposal()'s narrower proposal-time dedup. Strips the issue-body template's own boilerplate and the near-universal "badge (FRED ...)" title convention, which otherwise inflate unrelated pairs to 0.3-0.4. Live run confirms it works: correctly flags the already-known #282/#194 Reddit-sentiment duplicate at 0.98, plus a previously-undocumented real duplicate at 0.312 -- #519 and #568 both propose a US money-market-fund total-assets badge (FRED MMMFFAQ027S vs OFR MMF-MMF_AG_TOT-M), just from different data sources.
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Summary
scripts/audit_duplicate_issues.py: pairwise Jaccard-scores every open GitHub issue's title+body against every other open issue, using the same tokenizer asmemory_store._find_similar_proposal()plus a local stopword list stripping the issue-body template boilerplate and the near-universal "badge (FRED ...)" title convention (both confirmed inflating unrelated pairs to 0.3-0.4 before filtering)._find_similar_proposal()only guards duplicate insertion at proposal-creation time, scoped to localfeature_backlogrows withstatus IN ('proposed','in_progress')in the same category — it never re-audits the full live issue backlog (issues filed by hand, issues whose local row status moved on, or duplicates that slipped through before PR fix: proposal dedup misses cross-category and boilerplate-diluted duplicates #544's dedup fix).Live run against the real open-issue backlog (71 open issues) found:
MMMFFAQ027S(quarterly), Money market fund flow monitor (OFR STFM API) as flight-to-quality signal #568 via OFR's Short-Term Funding MonitorMMF-MMF_AG_TOT-M(monthly). Same underlying concept, different data source. Flagged for user consolidation.Test plan
venv/bin/python3 -c "from main import *"— import OK, no regressiontests/dir exists in this repo (per CLAUDE.md fallback)🤖 Generated with Claude Code