• v0.5.6 05f845962f

    fix(trust): soften established_bad_actor for high-volume sellers; add declining_ratio flag
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    pyr0ball released this 2026-04-27 12:54:51 -07:00 | 25 commits to main since this release

    Fixes a false-positive edge case (snipe#52) where sellers with 500+
    lifetime feedback were hard-flagged as established_bad_actor when the
    12-month ratio dipped below 80% — even though the 12-month window may
    cover only a small recent sample relative to lifetime history.

    Changes:

    • established_bad_actor hard filter now only fires for accounts with
      20–500 lifetime feedback (unchanged behavior for moderate accounts)
    • Accounts >500 feedback with ratio 60–80%: new declining_ratio soft flag
      (composite score penalised but not zeroed, no hard block)
    • Accounts >500 feedback with ratio <60%: still established_bad_actor
      (catastrophically bad even for high-volume sellers)
    • Two new constants: HARD_FILTER_BAD_RATIO_MAX_COUNT=500,
      HARD_FILTER_BAD_RATIO_HIGH_THRESHOLD=0.60

    Note: buyer-feedback-only accounts (lifetime buyer history inflating
    feedback_count for new sellers) requires profile-page scraping to detect
    properly — tracked in snipe#52 as medium-term work.

    Tests: 22 passed

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