wip close round/campaign/war + refacto json None

src/warchron/model/tie_manager.py

@@ -0,0 +1,46 @@
+from warchron.model.war import War
+from warchron.model.war_event import InfluenceSpent
+
+
+class ResolutionContext:
+    def __init__(self, context_type: str, context_id: str, participant_ids: list[str]):
+        self.context_type = context_type
+        self.context_id = context_id
+        self.participant_ids = participant_ids
+
+        self.current_bids: dict[str, int] = {}
+        self.round_index: int = 0
+        self.is_resolved: bool = False
+
+
+class TieResolver:
+
+    @staticmethod
+    def resolve(
+        war: War,
+        context: ResolutionContext,
+        bids: dict[str, int],
+    ) -> str | None:
+        # verify available token for each player
+        for pid, amount in bids.items():
+            participant = war.participants[pid]
+            if participant.influence_tokens() < amount:
+                raise ValueError("Not enough influence tokens")
+        # apply spending
+        for pid, amount in bids.items():
+            if amount > 0:
+                war.participants[pid].events.append(
+                    InfluenceSpent(
+                        participant_id=pid,
+                        amount=amount,
+                        context=context.context_type,
+                    )
+                )
+        # determine winner
+        max_bid = max(bids.values())
+        winners = [pid for pid, b in bids.items() if b == max_bid]
+        if len(winners) == 1:
+            context.is_resolved = True
+            return winners[0]
+        # persisting tie → None
+        return None