fix: Gains position reconstruction for HL funding projection - #2213
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Summary
TradePosSizeIncreaseas a synthetic anchor instead of being silently droppedopenMs = cutoffMsTest result
Tested with wallet
0x2EF...35a2: previously projected $0 HL funding, now correctly projects $33.60 (15 positions reconstructed, 6 using increase anchor).Why it was broken
fetchGainsTradesonly fetches fromstartDate = cutoffMs, so open events for long-running positions are absent. The old code skipped any trade ID without an open event → entire positions dropped from projection.