fix: isolate ledger outbox delivery by instance

Co-authored-by: genichin <4282227+genichin@users.noreply.github.com>

trex_core/runtime/cli.py

@@ -1333,7 +1333,7 @@ def _cmd_ledger_backfill(args, cfg, confirm) -> int:
             _emit_pretty_json(report)
             return 1
 
-    outbox = PostgreSQLLedgerOutbox(cfg.dsn)
+    outbox = PostgreSQLLedgerOutbox(cfg.dsn, instance_key=instance)
     if not cfg.portfolio_hub or not cfg.portfolio_hub.base_url:
         report["result"] = {"status": "rejected", "reason": "portfolio-hub ledger adapter is not configured"}
         report["audit_path"] = _write_ledger_backfill_audit(args, report)

trex_core/runtime/daemon.py

@@ -190,7 +190,7 @@ class Daemon:
             instance_key=config.instance_key,
         )
 
-        self.outbox = PostgreSQLLedgerOutbox(config.dsn)
+        self.outbox = PostgreSQLLedgerOutbox(config.dsn, instance_key=config.instance_key)
         self.ledger_skip_store = PostgreSQLLedgerSkipStore(config.dsn)
         # BAT-008: portfolio-hub read + snapshot store + durable pause + scheduler.
         # (Created before the ledger writer so option-D write-back can target it.)