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feat: formula engine for evolution value computation (WP-09) (#74) #85

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cal merged 1 commits from ai/paper-dynasty-database#74 into next-release 2026-03-16 16:10:44 +00:00
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Author SHA1 Message Date
Cal Corum
40e988ac9d feat: formula engine for evolution value computation (WP-09) 
Closes #74

Adds app/services/formula_engine.py with three pure formula functions
(compute_batter_value, compute_sp_value, compute_rp_value), a dispatch
helper (compute_value_for_track), and a tier classifier (tier_from_value).
Tier boundaries and thresholds match the locked seed data from WP-03.

Note: pitcher formulas use stats.k (not stats.so) to match the
PlayerSeasonStats model field name introduced in WP-02.

19 unit tests in tests/test_formula_engine.py — all pass.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-03-12 19:34:40 -05:00