Infer kill event teams without relying on the livedamage plugin

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <[email protected]>

lib/parser.py

@@ -167,6 +167,34 @@ class EventParser:
         team_prefix = get_team_prefix(name, self.game_state.player_tracker)
         return f"^8^5[SWITCH]^7 {team_prefix}^8{name}^0{team_msg} from {old_team_msg}{warmup}\n"
 
+    def _opposite_team(self, team):
+        """The other active team in a two-team mode; None when not applicable"""
+        return {1: 2, 2: 1, 'RED': 'BLUE', 'BLUE': 'RED'}.get(team)
+
+    def _resolve_event_teams(self, data, killer, victim, killer_name, victim_name):
+        """
+        Resolve (killer_team, victim_team) for a kill/death event. Event TEAM
+        fields win; when a server omits them (some do during warmup), the
+        missing side is derived from the counterpart player and the
+        TEAMKILL/SUICIDE flags. Solo modes always resolve to FREE — every
+        participant is FREE by definition. None means unknowable from this
+        event (leave the tracked team untouched).
+        """
+        if not self.game_state.server_info.is_team_mode():
+            return ('FREE', 'FREE')
+
+        killer_team = killer.get('TEAM') if killer else None
+        victim_team = victim.get('TEAM') if victim else None
+        same_team = (bool(data.get('SUICIDE', False))
+                     or strip_color_codes(killer_name).strip() == strip_color_codes(victim_name).strip()
+                     or bool(data.get('TEAMKILL', False)))
+
+        if killer_team is not None and victim_team is None:
+            victim_team = killer_team if same_team else self._opposite_team(killer_team)
+        elif victim_team is not None and killer_team is None:
+            killer_team = victim_team if same_team else self._opposite_team(victim_team)
+        return (killer_team, victim_team)
+
     def _handle_death(self, data):
         """Handle PLAYER_DEATH and PLAYER_KILL events"""
 
@@ -190,6 +218,11 @@ class EventParser:
         if 'TEAM' in victim:
             self.game_state.player_tracker.update_team(victim_name, victim['TEAM'])
             self.game_state.player_tracker.add_player(victim_name)
+        elif not self.game_state.server_info.is_team_mode():
+            # Solo modes: every participant is FREE by definition, even when
+            # the event carries no TEAM field
+            self.game_state.player_tracker.update_team(victim_name, 'FREE')
+            self.game_state.player_tracker.add_player(victim_name)
 
         # Mark as dead
         if not data.get('WARMUP', False):
@@ -224,10 +257,17 @@ class EventParser:
         killer = data['KILLER']
         killer_name = killer.get('NAME', 'Unknown')
 
-        # Update killer team
+        # Team resolution with inference: prefer the event's TEAM fields; when
-        if 'TEAM' in killer:
+        # a server omits them (some do during warmup), derive the missing side
-            self.game_state.player_tracker.update_team(killer_name, killer['TEAM'])
+        # from the counterpart and the TEAMKILL/SUICIDE flags
-            self.game_state.player_tracker.add_player(killer_name)
+        killer_team, victim_team = self._resolve_event_teams(
+            data, killer, victim, killer_name, victim_name)
+        if killer_team is not None:
+            self.game_state.player_tracker.update_team(killer_name, killer_team)
+        if victim_team is not None:
+            self.game_state.player_tracker.update_team(victim_name, victim_team)
+        self.game_state.player_tracker.add_player(killer_name)
+        self.game_state.player_tracker.add_player(victim_name)
 
         killer_prefix = get_team_prefix(killer_name, self.game_state.player_tracker)