Codex 8135a4ae17 PINK Phase 2 (G3): ExchangeEvent seam + BingxUserStream + mode-parity ...

exchange_event.py: abstract ExchangeEvent/ExchangeEventKind seam
venue.py: VenueAdapter extended with subscribe()/account_snapshot()
bingx_user_stream.py: PINK-only WS client with listenKey lifecycle,
  gzip, ping/pong, 24h rotation sentinel, reconnect backoff, gap-backfill
mock_venue.py: subscribe()/account_snapshot() for offline tests

Gate G3 mode-parity: WS and poll paths produce identical k_capital,
fees, realized PnL, reconcile status for same logical event sequence.
89/89 total offline tests pass.

2026-06-01 20:33:44 +02:00

prod/clean_arch/dita_v2

PINK Phase 2 (G3): ExchangeEvent seam + BingxUserStream + mode-parity

2026-06-01 20:33:44 +02:00

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