Let players dismiss completed duel feedback

frontend/src/components/scene/ChallengePanel.svelte

@@ -1,10 +1,13 @@
 <script>
+    import { createEventDispatcher } from 'svelte';
     import { apiRequest } from '../../lib/api';
     import { getCardDisplay, isJoker, displayName, playerName as lookupName, cardTooltipHtml, obstacleTable } from '../../lib/cards';
     import { tooltip } from '../../lib/tooltip';
     import ObstacleItem from './ObstacleItem.svelte';
 
     export let state;
+    export let completedDuels = [];
+    const dispatch = createEventDispatcher();
 
     let error = '';
     let taxTargetId = '';
@@ -17,7 +20,6 @@
 
     $: hand = state.player.hand_cards ? JSON.parse(state.player.hand_cards) : [];
     $: openChallenges = (state.challenges || []).filter(c => c.status === 'open');
-    $: completedDuels = (state.challenges || []).filter(c => c.challenge_type === 'pvp' && ['succeeded', 'failed'].includes(c.status));
     $: challengedObstacleIds = new Set(openChallenges.flatMap(c => JSON.parse(c.obstacle_ids || '[]')));
     $: myTaxRequest = openChallenges.find(c => c.tax_state === 'requested' && c.tax_target_id === state.player.id) || null;
     $: myPvpDefense = openChallenges.find(c => c.challenge_type === 'pvp' && c.acting_player_id === state.player.id) || null;
@@ -185,10 +187,13 @@
     </div>
 {/each}
 
-<!-- Results remain available until the next scene, including after a reload. -->
+<!-- Each player clears their own result feedback after reading it. -->
 {#each completedDuels as ch (ch.id)}
     <div class="challenge-item duel-result">
-        <h4>⚔️ Duel: {playerName(ch.challenger_player_id)} vs {playerName(ch.target_player_id)}</h4>
+        <div class="challenge-head">
+            <h4>⚔️ Duel: {playerName(ch.challenger_player_id)} vs {playerName(ch.target_player_id)}</h4>
+            <button class="btn btn-secondary btn-small" title="Dismiss this result for you" on:click={() => dispatch('dismissDuel', ch.id)}>Dismiss</button>
+        </div>
         <p class="duel-outcome">
             {ch.status === 'succeeded' ? '✓' : '✕'}
             <strong>{playerName(ch.acting_player_id)} {ch.status === 'succeeded' ? 'won the defense' : 'lost the defense'}.</strong>