feat: resolve and persist actual order venue

trex_core/application/broker_port.py

@@ -45,6 +45,10 @@ class OrderAck:
     accepted: bool
     broker_order_id: Optional[str] = None
     reason: Optional[str] = None
+    # Actual venue used for submission. KIS resolves AUTO before the HTTP call;
+    # execution persists this value with the broker order id so restart/cancel
+    # never has to infer the original venue.
+    venue: Optional[str] = None
     raw: dict[str, Any] = field(default_factory=dict)
 
 

trex_core/application/execution.py

@@ -201,7 +201,11 @@ class ExecutionService:
                 )
             )
             if ack.accepted and ack.broker_order_id:
-                self._repo.mark_dispatched(slot.slot_id, ack.broker_order_id)
+                self._repo.mark_dispatched(
+                    slot.slot_id,
+                    ack.broker_order_id,
+                    venue=ack.venue,
+                )
                 r.dispatched += 1
                 if ack.reason and ack.reason.startswith("submit_outcome_unknown:"):
                     _log.warning(
@@ -643,6 +647,7 @@ class ExecutionService:
             fee=float(fs.fee),
             tax=float(fs.tax),
             executed_at=datetime.now(tz=timezone.utc),
+            venue=slot.venue,
         )
         self._ledger_outbox.enqueue(trade)
         r.ledger_enqueued += 1

trex_core/application/intents.py

@@ -75,7 +75,9 @@ class BuyIntent:
     # slippage_pct: effective limit = entry_price*(1+pct/100) buy / *(1-pct/100) sell.
     timeout_sec: Optional[int] = None
     slippage_pct: Optional[float] = None
-    venue: str = "KRX"
+    # Strategy wire default. AUTO is resolved at the broker boundary so
+    # strategies remain session-agnostic while explicit KRX/NXT/SOR is kept.
+    venue: str = "AUTO"
     extra: dict[str, Any] = field(default_factory=dict)
 
 
@@ -94,7 +96,7 @@ class SellIntent:
     # dcy-022 / REQ-068: execution policy (optional, backward-compat).
     timeout_sec: Optional[int] = None
     slippage_pct: Optional[float] = None
-    venue: str = "KRX"
+    venue: str = "AUTO"
     extra: dict[str, Any] = field(default_factory=dict)
 
 
@@ -211,7 +213,7 @@ class IntentService:
         dcy-036 / REQ-114: entry gate — if entry_allowed_fn returns False,
         BuyIntent is rejected before any slot lookup."""
 
-        if intent.venue not in {"KRX", "NXT", "SOR"}:
+        if intent.venue not in {"AUTO", "KRX", "NXT", "SOR"}:
             return IntentDecision(intent.intent_id, "rejected", None, "invalid_venue")
 
         # dcy-036 / REQ-114: day-start entry gate (fail-closed).
@@ -308,7 +310,7 @@ class IntentService:
         return IntentDecision(intent.intent_id, "rejected", None, "already_active")
 
     def _admit_sell(self, intent: SellIntent) -> IntentDecision:
-        if intent.venue not in {"KRX", "NXT", "SOR"}:
+        if intent.venue not in {"AUTO", "KRX", "NXT", "SOR"}:
             return IntentDecision(intent.intent_id, "rejected", None, "invalid_venue")
 
         slot = self._repo.fetch_slot(intent.slot_id)

trex_core/application/ledger_port.py

@@ -57,6 +57,9 @@ class LedgerTrade:
     fee: float = 0.0
     tax: float = 0.0
     executed_at: Optional[datetime] = None
+    # Actual order venue persisted in the Core outbox. Portfolio Hub remains
+    # unchanged until its API contract explicitly accepts this additive field.
+    venue: str = "KRX"
 
     @property
     def correlation_id(self) -> str:

trex_core/application/messaging_handlers.py

@@ -117,7 +117,7 @@ def make_intent_rpc_handler(
                     # dcy-022 / REQ-068: execution policy (optional, backward-compat).
                     timeout_sec=_opt_int(body.get("timeout_sec")),
                     slippage_pct=_opt_float(body.get("slippage_pct")),
-                    venue=_opt_str(body.get("venue")) or "KRX",
+                    venue=_opt_str(body.get("venue")) or "AUTO",
                 )
                 d = intent_service.submit_buy(buy)
             elif intent_type == "sell":
@@ -133,7 +133,7 @@ def make_intent_rpc_handler(
                     # dcy-022 / REQ-068: execution policy (optional, backward-compat).
                     timeout_sec=_opt_int(body.get("timeout_sec")),
                     slippage_pct=_opt_float(body.get("slippage_pct")),
-                    venue=_opt_str(body.get("venue")) or "KRX",
+                    venue=_opt_str(body.get("venue")) or "AUTO",
                 )
                 d = intent_service.submit_sell(sell)
             else:
@@ -627,4 +627,3 @@ def _parse_date(v) -> date_cls:
 
 def _today() -> date_cls:
     return datetime.now(tz=timezone.utc).date()
-