Implement BAT-006: portfolio-hub ledger integration (REQ-017~019)
- REQ-017: LedgerPort contract (application/ledger_port.py) + portfolio-hub
adapter + in-memory stub (adapters/ledger/), TREX_PORTFOLIO_HUB_* config
- REQ-018: fill→ledger recording in execution loop; FillStatus carries
execution_id (deterministic synth) + fee; paper/kis adapters updated
- REQ-019: ledger outbox + retry worker (application/ledger_outbox.py),
correlation_id idempotency, outcome vocabulary; 002_create_ledger_outbox.sql
- Tests: in-memory/portfolio-hub ledger, execution ledger hook, outbox,
domain import sweep
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
genichinandClaude Opus 4.8
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