Sync rosters at match start, harden dedup and TIME handling, add scoreboard and damage summary

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

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

lib/state.py

@@ -243,7 +243,12 @@ class EventDeduplicator:
         if event_type not in ('PLAYER_DEATH', 'PLAYER_KILL'):
             return False
 
-        signature = f"KILL:{time_val}:{killer_name}:{victim_name}"
+        # Signatures use stripped names: the double-emitted PLAYER_KILL and
+        # PLAYER_DEATH for one frag can carry cosmetically different name
+        # strings (color codes/whitespace), which would defeat the match
+        signature = (f"KILL:{time_val}:"
+                     f"{strip_color_codes(killer_name).strip()}:"
+                     f"{strip_color_codes(victim_name).strip()}")
 
         if signature in self.recent_events:
             logger.debug(f'Duplicate event: {signature}')
@@ -256,6 +261,10 @@ class EventDeduplicator:
 
         return False
 
+    def reset(self):
+        """Clear the signature buffer (match start: TIME restarts at 0)"""
+        self.recent_events = []
+
 
 class VoteTracker:
     """Tracks cast subjects of the running vote; reset on each vote call"""