調整比賽結算長按回饋並更新 README

src/App.css

@@ -961,6 +961,15 @@
     filter 0.16s ease;
 }
 
+.rail-pill-hold-wrap {
+  display: grid;
+  gap: 8px;
+}
+
+.rail-pill-hold-wrap-active {
+  filter: drop-shadow(0 12px 20px rgba(217, 90, 68, 0.2));
+}
+
 .rail-pill:hover {
   transform: translateY(-1px);
   box-shadow:
@@ -978,11 +987,40 @@
   background: linear-gradient(180deg, #d95a44, #b53a28);
 }
 
+.rail-pill-active-hold {
+  transform: translateY(1px) scale(0.99);
+  filter: brightness(1.08) saturate(1.08);
+  box-shadow:
+    inset 0 0 0 1px rgba(255, 227, 214, 0.5),
+    inset 0 12px 18px rgba(255, 255, 255, 0.1),
+    0 0 0 4px rgba(255, 224, 194, 0.2),
+    0 14px 26px rgba(181, 58, 40, 0.28);
+}
+
 .rail-pill-muted {
   color: #4d3a29;
   background: linear-gradient(180deg, #f7f2e8, #e0d6c5);
 }
 
+.rail-hold-progress {
+  position: relative;
+  width: 100%;
+  height: 8px;
+  overflow: hidden;
+  border-radius: 999px;
+  background: rgba(255, 240, 199, 0.32);
+  box-shadow: inset 0 0 0 1px rgba(255, 237, 208, 0.12);
+}
+
+.rail-hold-progress-bar {
+  display: block;
+  width: 100%;
+  height: 100%;
+  transform-origin: left center;
+  background: linear-gradient(90deg, #ffe9a8, #fff7d0, #ffffff);
+  box-shadow: 0 0 12px rgba(255, 246, 203, 0.5);
+}
+
 .voice-settings-overlay {
   position: fixed;
   inset: 0;
@@ -1924,6 +1962,14 @@
     font-size: 0.92rem;
   }
 
+  .rail-pill-hold-wrap {
+    gap: 6px;
+  }
+
+  .rail-hold-progress {
+    height: 6px;
+  }
+
   .finish-dialog {
     padding: 20px 14px 14px;
     border-radius: 18px;

src/pages/ScoreboardPage.tsx

@@ -98,6 +98,7 @@ export function ScoreboardPage({
   onSwapTeamPlayers,
   onUndoLastPoint,
 }: ScoreboardPageProps) {
+  const FINISH_HOLD_DURATION = 1500
   const [pickerOpen, setPickerOpen] = useState(false)
   const [settingsOpen, setSettingsOpen] = useState(false)
   const [draftPlayers, setDraftPlayers] = useState<string[]>([])
@@ -105,9 +106,14 @@ export function ScoreboardPage({
     String(scoreState.targetScore),
   )
   const [clock, setClock] = useState(() => formatClock())
+  const [finishHoldActive, setFinishHoldActive] = useState(false)
+  const [finishHoldProgress, setFinishHoldProgress] = useState(0)
   const [voiceSettings, setVoiceSettings] = useState<VoiceSettings>(() =>
     loadVoiceSettings(),
   )
+  const finishHoldFrameRef = useRef<number | null>(null)
+  const finishHoldStartRef = useRef(0)
+  const finishTriggeredRef = useRef(false)
   const lastAnnouncedPointRef = useRef(0)
   const previousScoresRef = useRef({ left: 0, right: 0 })
 
@@ -128,6 +134,10 @@ export function ScoreboardPage({
 
   useEffect(() => {
     return () => {
+      if (finishHoldFrameRef.current !== null) {
+        window.cancelAnimationFrame(finishHoldFrameRef.current)
+      }
+
       if ('speechSynthesis' in window) {
         window.speechSynthesis.cancel()
       }
@@ -301,6 +311,57 @@ export function ScoreboardPage({
     setPickerOpen(true)
   }
 
+  const stopFinishHold = () => {
+    if (finishHoldFrameRef.current !== null) {
+      window.cancelAnimationFrame(finishHoldFrameRef.current)
+      finishHoldFrameRef.current = null
+    }
+
+    finishHoldStartRef.current = 0
+    finishTriggeredRef.current = false
+    setFinishHoldActive(false)
+    setFinishHoldProgress(0)
+  }
+
+  const startFinishHold = () => {
+    if (finishDialogOpen || finishDialogUploading || finishHoldActive) {
+      return
+    }
+
+    finishTriggeredRef.current = false
+    finishHoldStartRef.current = performance.now()
+    setFinishHoldActive(true)
+    setFinishHoldProgress(0)
+
+    const tick = (now: number) => {
+      const elapsed = now - finishHoldStartRef.current
+      const progress = Math.min(elapsed / FINISH_HOLD_DURATION, 1)
+      setFinishHoldProgress(progress)
+
+      if (progress >= 1) {
+        finishTriggeredRef.current = true
+        setFinishHoldActive(false)
+        setFinishHoldProgress(0)
+        finishHoldFrameRef.current = null
+        onOpenFinishDialog()
+        return
+      }
+
+      finishHoldFrameRef.current = window.requestAnimationFrame(tick)
+    }
+
+    finishHoldFrameRef.current = window.requestAnimationFrame(tick)
+  }
+
+  const cancelFinishHold = () => {
+    if (finishTriggeredRef.current) {
+      finishTriggeredRef.current = false
+      return
+    }
+
+    stopFinishHold()
+  }
+
   const toggleDraftPlayer = (playerName: string) => {
     setDraftPlayers((current) => {
       if (current.includes(playerName)) {
@@ -461,9 +522,48 @@ export function ScoreboardPage({
 
           <div className="rail-clock">{clock}</div>
 
-          <button className="rail-pill rail-pill-danger" type="button" onClick={onOpenFinishDialog}>
-            比賽結算
-          </button>
+          <div
+            className={
+              finishHoldActive ? 'rail-pill-hold-wrap rail-pill-hold-wrap-active' : 'rail-pill-hold-wrap'
+            }
+          >
+            <button
+              className={
+                finishHoldActive
+                  ? 'rail-pill rail-pill-danger rail-pill-active-hold'
+                  : 'rail-pill rail-pill-danger'
+              }
+              type="button"
+              onPointerDown={startFinishHold}
+              onPointerUp={cancelFinishHold}
+              onPointerLeave={cancelFinishHold}
+              onPointerCancel={cancelFinishHold}
+              onBlur={cancelFinishHold}
+              onKeyDown={(event) => {
+                if ((event.key === 'Enter' || event.key === ' ') && !event.repeat) {
+                  event.preventDefault()
+                  startFinishHold()
+                }
+              }}
+              onKeyUp={(event) => {
+                if (event.key === 'Enter' || event.key === ' ') {
+                  event.preventDefault()
+                  cancelFinishHold()
+                }
+              }}
+            >
+              比賽結算
+            </button>
+
+            {finishHoldActive ? (
+              <div aria-hidden="true" className="rail-hold-progress">
+                <span
+                  className="rail-hold-progress-bar"
+                  style={{ transform: `scaleX(${finishHoldProgress})` }}
+                />
+              </div>
+            ) : null}
+          </div>
         </aside>
       </section>