chore: plan for review blockers follow-up

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

trex_core/adapters/broker/kis.py

@@ -386,9 +386,7 @@ class KISBroker:
         transport_failure: bool,
     ) -> float:
         """Return bounded state/age-based delay for the next authoritative poll."""
-        if status.state != "unknown":
-            delay = _FILL_POLL_MIN_INTERVAL_SECONDS
-        elif age_seconds < 60:
+        if status.state != "unknown" or age_seconds < 60:
             delay = _FILL_POLL_MIN_INTERVAL_SECONDS
         elif age_seconds < 5 * 60:
             delay = 15.0
@@ -1290,6 +1288,9 @@ class KISBroker:
             seen_continuations.add(next_continuation)
             continuation = next_continuation
 
+    def exposes_full_balance_snapshot(self) -> bool:
+        return True
+
     def get_available_cash(self, *, price_check_code: str = "005930") -> int:
         """Return KIS cash-only buy capacity (`nrcvb_buy_amt`).