market_targets[b] now interpreted as target absolute position (side=0
long, side=1 short, side=2 no-op preserved, side=3 force-flat).
seed_inflight_limits_batched computes order_lots = target_signed -
effective_position where effective_position sums pos.position_lots
plus all unfilled signed slot sizes (active in {1, 2}). Fixes both
the additive accumulation bug AND the worse latency-bypass variant
(naive delta would have made things 200x worse under 200ms latency).
3 new tests added (all passing):
- position_target_not_additive: latency=0, 10 repeated target events stay <= max_lots=5
- position_target_not_additive_with_latency: 200ms latency, 500 events, in-flight summation prevents runaway
- alpha_noop_side_2_preserved: side=2 events leave filled position unchanged
All 9 stop_controller tests pass; parallel_sim and fuzz regression clean.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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