Add server chat tab and show all four players

src/lib/game-chat.ts

@@ -0,0 +1,23 @@
+export interface ChatMessage {
+    time: string;
+    guid: string;
+    slot: number;
+    player: string;
+    message: string;
+}
+
+function plainText(value: string): string {
+    return value.replace(/\^[0-9]/g, '').replace(/[\x00-\x1f\x7f]/g, '').trim();
+}
+
+/** Preserve log order: elapsed timestamps can reset between matches. */
+export function parseGameChat(lines: readonly string[]): ChatMessage[] {
+    return lines.flatMap(line => {
+        const match = /^\s*(\d+:[0-5]\d)\s+say;([^;]+);(\d+);([^;]*);(.*)$/.exec(line);
+        if (!match) return [];
+        const message = plainText(match[5]);
+        if (!message) return [];
+        return [{ time: match[1], guid: match[2], slot: Number(match[3]),
+            player: plainText(match[4]) || 'Unknown player', message }];
+    });
+}