merge: W2 — A2 interrupt scope（传输层 + 设置项）

app/src/main/kotlin/top/yeij/cyrene/ui/settings/SettingsScreen.kt

@@ -21,6 +21,7 @@ import kotlinx.coroutines.launch
 import top.yeij.cyrene.BuildConfig
 import top.yeij.cyrene.app.AppContainer
 import top.yeij.cyrene.core.prefs.AppPrefs
+import top.yeij.cyrene.core.prefs.InterruptMode
 import top.yeij.cyrene.core.prefs.ThemeMode
 import top.yeij.cyrene.ui.common.PreferenceCard
 import top.yukonga.miuix.kmp.basic.BasicComponent
@@ -102,6 +103,27 @@ fun SettingsScreen(
                 )
             }
 
+            SectionTitle("她忙时发消息")
+            InterruptMode.entries.forEach { mode ->
+                PreferenceCard {
+                    BasicComponent(
+                        title = mode.label(),
+                        summary = mode.summary(),
+                        onClick = { scope.launch { settings.setInterruptMode(mode) } },
+                        endActions = {
+                            if (prefs.interruptMode == mode) {
+                                Text(
+                                    text = "✓",
+                                    style = MiuixTheme.textStyles.main,
+                                    color = MiuixTheme.colorScheme.primary,
+                                )
+                            }
+                        },
+                    )
+                }
+                Spacer(Modifier.height(8.dp))
+            }
+
             SectionTitle("关于")
             PreferenceCard {
                 BasicComponent(
@@ -155,3 +177,19 @@ private fun ThemeMode.label(): String = when (this) {
     ThemeMode.Light -> "浅色"
     ThemeMode.Dark -> "深色"
 }
+
+private fun InterruptMode.label(): String = when (this) {
+    InterruptMode.AppendQueue -> "追加队列"
+    InterruptMode.Interrupt -> "打断"
+}
+
+/**
+ * 两档的差别只有一处：**忙时那条排队消息还在不在**。文案必须说清这一点——
+ * 一个用户看不懂效果的偏好，比没有这个偏好更糟。
+ */
+private fun InterruptMode.summary(): String = when (this) {
+    InterruptMode.AppendQueue ->
+        "她正忙时只把消息排进队列，等她做完当前回复再依次回；不打断（默认）"
+    InterruptMode.Interrupt ->
+        "她正忙时先打断当前这一句；已排队的消息保留，继续依次回答"
+}