feat(ledger): quiet idle outbox polling

trex_core/runtime/daemon.py

@@ -452,8 +452,13 @@ class Daemon:
         while not self.stop.wait(self.config.ledger_interval_sec):
             try:
                 self.ledger_writer.run_once()
-            except Exception:  # noqa: BLE001,S112
-                continue
+            except Exception as exc:  # noqa: BLE001 - loop must survive transient errors
+                _log.error(
+                    "ledger writer loop error: reason=ledger_writer_run_once_failed "
+                    "instance_key=%s exc_type=%s",
+                    self.config.instance_key,
+                    type(exc).__name__,
+                )
 
     def _intent_rpc_loop(self) -> None:
         transport = _build_transport(self.config)
@@ -486,6 +491,7 @@ class Daemon:
             watchdog_store=self.watchdog,
             watchdog_timeout_sec=self.config.safety_sell.watchdog_timeout_sec,
             ledger_outbox=self.outbox,
+            ledger_outbox_metrics_reader=self.ledger_writer,
             max_active_slots=self.config.max_active_slots,
             strategy_state_store=self.strategy_state_store,  # dcy-028 C-1
             broker_quantity_reader=self.account_snapshot_service,