Operator battle voices: the official combat lines play by voice slot during battles, one at a time (#73)

Deploy, skill and result lines come from the operators' official voice slots; a newer line takes the channel over (stale callbacks of the replaced line no longer release it), and the result line is spoken by an operator of the player's own battle. Contributed by @Convey123.

public/js/screens/game.js

@@ -108,7 +108,7 @@ import { battleRunner } from '../battle/runner.js';
 import { isClientCombat, observeTarget, teammateProgress, cameraLayers, layerCamera, sidesOf, resumedWatch } from '../battle/observe.js';
 import { screenStrip, playerBonds, playerLayer, detailBondOwner, toggleBond, popupView } from '../ui/watchBonds.js';
 import { data, localAsset, getMode } from '../data.js';
-import { audio } from '../audio.js';
+import { audio, resultSpeaker, resultVoiceSlot } from '../audio.js';
 import { useDocClass, FullscreenButton } from '../ui/device.js';
 
 const cx = (...p) => p.flat().filter(Boolean).join(' ');
@@ -493,8 +493,30 @@ function MatchScreen() {
       view?.pushEvents(msg);
       audio.handleBattleEvents(msg.ev);
     };
+    // 干员语音 (结算): the own battle's result just came in — the operator's line depends on how it went
+    // (完美作战 ⇒ 3星结束行动, 绝境 / 终极 ⇒ 完成高难行动, 有漏怪 ⇒ 非3星结束行动, 一个没杀 ⇒ 行动失败)
+    const onResult = (msg) => {
+      try {
+        if (!msg || !msg.result) return;
+        const st = store.get();
+        const pid = st.me?.playerId;
+        const mine = (pid && msg.result.perPlayer && msg.result.perPlayer[pid]) || null;
+        const diff = st.match?.public?.difficulty;
+        // the speaker comes from THIS battle's own field (`mine.unitsEnd`), not from the field on screen: watching a
+        // teammate used to make THEIR operator say the viewer's line (review on #73)
+        const charId = resultSpeaker(mine);
+        if (!charId) return;
+        audio.voice(charId, resultVoiceSlot({
+          perfect: !!(mine?.perfect),
+          leaked: Array.isArray(mine?.leaked) ? mine.leaked.length : 0,
+          killed: mine?.killed ?? msg.result.killed,
+          total: mine?.total ?? msg.result.total,
+          hard: diff === 'HARD' || diff === 'ABYSS',
+        }));
+      } catch { /* ignore */ }
+    };
     const offs = [net.on('m.field', onFieldMeta), net.on('b.snap', onSnap), net.on('b.ev', onEv)];
-    if (battleRunner) offs.push(battleRunner.on('field', onFieldMeta), battleRunner.on('snap', onSnap), battleRunner.on('ev', onEv));
+    if (battleRunner) offs.push(battleRunner.on('field', onFieldMeta), battleRunner.on('snap', onSnap), battleRunner.on('ev', onEv), battleRunner.on('result', onResult));
     return () => { for (const off of offs) { try { off(); } catch { /* ignore */ } } clearTimeout(pending); };
   }, [view]);
 
@@ -1311,7 +1333,7 @@ function MatchScreen() {
         onClose=${() => setBondOpen(null)} onMember=${(id, items) => setDetail({ kind: 'chess', id, owner: bondPop.ownerId, items: items || null })} />` : null}
 
       ${resolved ? html`<${DetailPanel} detail=${resolved} snapHp=${snapHp} onClose=${() => { setDetail(null); setSel(null); }}
-        bonds=${detailBonds} offBonds=${offBonds} loadout=${detailLoadout} side=${dSide} shopOpen=${shopOpen} live=${liveStats}
+        bonds=${detailBonds} offBonds=${offBonds} loadout=${detailLoadout} side=${dSide} shopOpen=${shopOpen} live=${liveStats} voice=${combat}
         onBond=${(id) => openBond(id, detailOwner, 'detail')} />` : null}
 
       ${selEntry && editable && !facing && !drag && showPrep ? html`<${Underframe} key=${sel.uid} view=${view} uid=${sel.uid}