fix: add match_type and initial_time_ms to tournament match creation

The matches table requires these NOT NULL columns. Set match_type
to 'tournament' and parse time_control string for clock values.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

api/tournament-match.php

@@ -109,17 +109,31 @@ function handleCreateOrJoin($db, string $userId, array $input): void {
     $timeControl = $tournament['time_control'] ?? 'rapid_10_0';
     $gameKey = $tournament['game_key'] ?? 'chess';
 
+    // Parse time control for initial_time_ms and increment
+    $tcParts = explode('_', $timeControl);
+    $minutes = intval($tcParts[1] ?? 10);
+    $increment = intval($tcParts[2] ?? 0);
+    $initialTimeMs = $minutes * 60 * 1000;
+    $incrementMs = $increment * 1000;
+
     // Create the match
     $matchData = [
         'game_key' => $gameKey,
+        'match_type' => 'tournament',
         'white_player_id' => $whiteId,
         'black_player_id' => $blackId,
         'status' => 'in_progress',
         'time_control' => $timeControl,
+        'initial_time_ms' => $initialTimeMs,
+        'increment_ms' => $incrementMs,
+        'white_time_remaining_ms' => $initialTimeMs,
+        'black_time_remaining_ms' => $initialTimeMs,
         'tournament_id' => $tournamentId,
         'tournament_round' => $roundNumber,
+        'starting_fen' => 'rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1',
         'current_fen' => 'rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1',
         'moves' => '[]',
+        'started_at' => date('c'),
         'metadata' => json_encode([
             'mode' => 'tournament',
             'round_id' => $roundId,