feat: add human http agent

texas_holdem/models.py

@@ -152,6 +152,7 @@ class HandSummary:
     board: list[Card]
     actions: list[ActionRecord]
     awards: list[PotAward]
+    showdown_hands: dict[str, list[Card]] = field(default_factory=dict)
     started_at: float = field(default_factory=time)
     finished_at: float = field(default_factory=time)
 
@@ -163,6 +164,13 @@ class HandSummary:
             "board": [str(card) for card in self.board],
             "actions": [record.to_dict() for record in self.actions],
             "awards": [award.to_dict() for award in self.awards],
+            # ``showdown_hands`` is only populated when more than one player
+            # remained eligible for a pot; empty dict means the hand ended
+            # without a showdown (e.g. everyone folded but the winner).
+            "showdown_hands": {
+                player_id: [str(card) for card in cards]
+                for player_id, cards in self.showdown_hands.items()
+            },
             "started_at": self.started_at,
             "finished_at": self.finished_at,
         }