fix(fan): 仅在无风扇转动时汇总显示启动中

多风扇机型上任一风扇起步会隐藏其他风扇的实际转速，改为没有风扇在转且存在起步窗口时才显示启动中。

Packages/XStatsKit/Sources/SMC/FanControl.swift

@@ -36,6 +36,13 @@ public struct FanState: Sendable, Equatable, Identifiable {
     }
 }
 
+extension Array where Element == FanState {
+    /// 汇总值是否显示“启动中”：仅当没有任何风扇在转、且至少一个处于起步窗口
+    public var isStartingUp: Bool {
+        !contains { $0.current > 0 } && contains(where: \.isStarting)
+    }
+}
+
 /// 部分机型没有起步状态键，只能以手动目标转速推断。两种来源均最多提示 10 秒，
 /// 超时后保留真实的 0 RPM，直到风扇转动或起步条件消失才允许开始新的窗口。
 struct FanStartupTracker {

Packages/XStatsKit/Sources/XStatsUI/Panel/OverviewPage.swift

@@ -297,11 +297,11 @@ private struct FanTile: View {
             .foregroundStyle(DS.Palette.textSecondary)
 
             HStack(alignment: .firstTextBaseline, spacing: DS.Space.s1 / 2) {
-                Text(verbatim: fans.contains(where: \.isStarting) ? tr("启动中…") : fastest.map { Int($0.current).formatted() } ?? "—")
+                Text(verbatim: fans.isStartingUp ? tr("启动中…") : fastest.map { Int($0.current).formatted() } ?? "—")
                     .dsFont(.xl, weight: .semibold)
                     .monospacedDigit()
                     .foregroundStyle(DS.Palette.textPrimary)
-                if !fans.contains(where: \.isStarting) {
+                if !fans.isStartingUp {
                     Text(verbatim: "RPM").dsFont(.xs, weight: .medium).foregroundStyle(DS.Palette.textSecondary)
                 }
             }

Packages/XStatsKit/Sources/XStatsUI/Popover/CombinedPopover.swift

@@ -295,8 +295,8 @@ struct OverviewReading {
         case .fan:
             let fans = store.sensors?.fans ?? []
             if let fastest = store.fastestFan {
-                value = fans.contains(where: \.isStarting) ? tr("启动中…") : Int(fastest.current).formatted()
-                unit = fans.contains(where: \.isStarting) ? nil : "RPM"
+                value = fans.isStartingUp ? tr("启动中…") : Int(fastest.current).formatted()
+                unit = fans.isStartingUp ? nil : "RPM"
                 let average = fans.map { $0.maximum > 0 ? $0.current / $0.maximum : 0 }.reduce(0, +) / Double(max(1, fans.count))
                 chart = .level(average, DS.Palette.primary)
             }

Packages/XStatsKit/Sources/XStatsUI/Popover/MetricPopovers.swift

@@ -720,8 +720,8 @@ struct ThermalPopover: View {
                 if model.store.supportsFans {
                     VStack(alignment: .leading, spacing: DS.Space.s1) {
                         Text(tr("风扇")).dsFont(.xs).foregroundStyle(DS.Palette.textSecondary)
-                        HeroValue(value: fans.contains(where: \.isStarting) ? tr("启动中…") : store.fastestFan.map { Int($0.current).formatted() } ?? "—",
-                                  unit: fans.isEmpty || fans.contains(where: \.isStarting) ? nil : "RPM")
+                        HeroValue(value: fans.isStartingUp ? tr("启动中…") : store.fastestFan.map { Int($0.current).formatted() } ?? "—",
+                                  unit: fans.isEmpty || fans.isStartingUp ? nil : "RPM")
                     }
                     .frame(maxWidth: .infinity, alignment: .leading)
                 }
@@ -782,7 +782,7 @@ struct ThermalPopover: View {
 @MainActor
 func fanStatusText(fans: [FanState], mode: FanController.Mode) -> String {
     if fans.isEmpty { return tr("未检测到风扇") }
-    if fans.contains(where: \.isStarting) { return tr("正在启动风扇…") }
+    if fans.isStartingUp { return tr("正在启动风扇…") }
     guard fans.contains(where: \.isManual) else { return tr("由 macOS 调节") }
     return mode == .automatic ? tr("其他程序手动控制") : tr("XStats 控制中")
 }

Packages/XStatsKit/Tests/MetricsTests/FanStartupTests.swift

@@ -71,3 +71,19 @@ struct FanStartupTests {
         #expect(!afterRepeatedFailure)
     }
 }
+
+struct FanStartupSummaryTests {
+    private func fan(_ id: Int, current: Double, starting: Bool = false) -> FanState {
+        FanState(id: id, current: current, minimum: 1000, maximum: 5000, target: 2000, isManual: true, isStarting: starting)
+    }
+
+    @Test func spinningFanKeepsSummaryWhileAnotherStarts() {
+        #expect(![fan(0, current: 2400), fan(1, current: 0, starting: true)].isStartingUp)
+    }
+
+    @Test func summaryStartsOnlyWhenNoFanSpins() {
+        #expect([fan(0, current: 0), fan(1, current: 0, starting: true)].isStartingUp)
+        #expect(![fan(0, current: 0), fan(1, current: 0)].isStartingUp)
+        #expect(![FanState]().isStartingUp)
+    }
+}