新增个人轮班 MVP:左上角胶囊显示班/休

新增 ShiftPattern 数据模型,以锚点日期 + 循环序列描述周期性轮班,与法定调休完全独立。
默认配置 2026-05-15 起 [班,班,休,休] 4 天周期,DayCell 左上角渲染胶囊角标。

shared/src/commonMain/kotlin/plus/rua/project/CalendarViewModel.kt

@@ -77,6 +77,19 @@ class CalendarViewModel(
     var yearViewYear by mutableStateOf(today.year)
         internal set
 
+    /**
+     * 个人轮班。与法定节假日完全独立,不受调休影响。
+     * MVP 默认:2026-05-15 起,2 班 2 休循环。后续接入设置页与持久化。
+     */
+    var shiftPattern: ShiftPattern? by mutableStateOf(
+        ShiftPattern(
+            anchorDate = LocalDate(2026, 5, 15),
+            cycle = listOf(ShiftKind.WORK, ShiftKind.WORK, ShiftKind.OFF, ShiftKind.OFF)
+        )
+    )
+
+    fun shiftKindAt(date: LocalDate): ShiftKind? = shiftPattern?.kindAt(date)
+
     /**
      * 选中指定日期。
      *

shared/src/commonMain/kotlin/plus/rua/project/ShiftPattern.kt

@@ -0,0 +1,33 @@
+package plus.rua.project
+
+import kotlinx.datetime.LocalDate
+import kotlinx.datetime.daysUntil
+
+/**
+ * 个人轮班类型。仅区分上班与休息;后续可扩展早/中/晚班、休假等。
+ */
+enum class ShiftKind { WORK, OFF }
+
+/**
+ * 个人轮班周期。
+ *
+ * 与法定节假日完全独立:周期内某天是 WORK 还是 OFF,只看
+ * `(date - anchorDate) mod cycle.size` 在 cycle 中的取值,不受任何节假日/调休影响。
+ *
+ * @param anchorDate 周期基准日,对应 cycle[0]
+ * @param cycle 一个周期内的班次序列,例如 [WORK, WORK, OFF, OFF] 表示 "2 班 2 休"
+ * @param name 方案名,用于后续多套方案场景
+ */
+data class ShiftPattern(
+    val anchorDate: LocalDate,
+    val cycle: List<ShiftKind>,
+    val name: String = "默认"
+) {
+    fun kindAt(date: LocalDate): ShiftKind? {
+        if (cycle.isEmpty()) return null
+        val diff = anchorDate.daysUntil(date)
+        val size = cycle.size
+        val idx = ((diff % size) + size) % size
+        return cycle[idx]
+    }
+}

shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarMonthPage.kt

@@ -22,6 +22,7 @@ import kotlinx.datetime.LocalDate
 import kotlinx.datetime.minus
 import kotlinx.datetime.number
 import kotlinx.datetime.plus
+import plus.rua.project.ShiftKind
 
 /**
  * 月度日历网格页面，支持两阶段折叠动画。
@@ -50,6 +51,7 @@ fun CalendarMonthPage(
     collapseProgress: Float,
     rowHeightPx: Int,
     effectiveWeeks: Float,
+    shiftKindAt: (LocalDate) -> ShiftKind?,
     onRowHeightMeasured: ((Int) -> Unit)? = null,
     modifier: Modifier = Modifier
 ) {
@@ -152,6 +154,7 @@ fun CalendarMonthPage(
                             isCurrentMonth = dayData.isCurrentMonth,
                             isSelected = dayData.date == selectedDate,
                             isToday = dayData.date == today,
+                            shiftKind = shiftKindAt(dayData.date),
                             onClick = { onDateClick(dayData.date) },
                             modifier = Modifier.weight(1f)
                         )

shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarMonthView.kt

@@ -259,6 +259,7 @@ fun CalendarMonthView(
                                 }
                                 viewModel.selectDate(date)
                             },
+                            shiftKindAt = { date -> viewModel.shiftKindAt(date) },
                             modifier = pagerModifier
                         )
                     } else {
@@ -275,6 +276,7 @@ fun CalendarMonthView(
                             collapseProgress = viewModel.collapseProgress,
                             rowHeightPx = rowHeightPx,
                             effectiveWeeks = effectiveWeeks,
+                            shiftKindAt = { date -> viewModel.shiftKindAt(date) },
                             onRowHeightMeasured = { h ->
                                 if (h > 0) rowHeightPx = h
                             },

shared/src/commonMain/kotlin/plus/rua/project/ui/CalendarPager.kt

@@ -14,6 +14,7 @@ import kotlinx.coroutines.flow.drop
 import kotlinx.coroutines.launch
 import kotlinx.datetime.LocalDate
 import kotlinx.datetime.number
+import plus.rua.project.ShiftKind
 import kotlin.math.abs
 
 /**
@@ -42,6 +43,7 @@ fun CalendarPager(
     collapseProgress: Float,
     rowHeightPx: Int,
     effectiveWeeks: Float,
+    shiftKindAt: (LocalDate) -> ShiftKind?,
     onRowHeightMeasured: ((Int) -> Unit)? = null,
     pagerState: PagerState,
     modifier: Modifier = Modifier
@@ -94,6 +96,7 @@ fun CalendarPager(
             collapseProgress = collapseProgress,
             rowHeightPx = rowHeightPx,
             effectiveWeeks = effectiveWeeks,
+            shiftKindAt = shiftKindAt,
             onRowHeightMeasured = onRowHeightMeasured,
             modifier = Modifier.alpha(alpha)
         )

shared/src/commonMain/kotlin/plus/rua/project/ui/DayCell.kt

@@ -36,6 +36,7 @@ import androidx.compose.ui.unit.sp
 import androidx.compose.ui.zIndex
 import com.tyme.solar.SolarDay
 import kotlinx.datetime.LocalDate
+import plus.rua.project.ShiftKind
 
 enum class DayCellState {
     NORMAL, OTHER_MONTH, TODAY, SELECTED, SELECTED_TODAY
@@ -48,6 +49,7 @@ enum class DayCellState {
  * @param isCurrentMonth 是否属于当前显示月份
  * @param isSelected 是否为选中日期
  * @param isToday 是否为今天
+ * @param shiftKind 个人轮班类型,左上角胶囊显示;null 表示不显示。与法定调休完全独立。
  * @param onClick 点击回调
  * @param modifier 外部布局修饰符
  */
@@ -57,6 +59,7 @@ fun DayCell(
     isCurrentMonth: Boolean,
     isSelected: Boolean,
     isToday: Boolean,
+    shiftKind: ShiftKind?,
     onClick: () -> Unit,
     modifier: Modifier = Modifier
 ) {
@@ -243,6 +246,33 @@ fun DayCell(
                 )
             }
         }
+        if (shiftKind != null) {
+            val shiftBgColor = if (shiftKind == ShiftKind.WORK) {
+                MaterialTheme.colorScheme.primary
+            } else {
+                MaterialTheme.colorScheme.error
+            }
+            val shiftFgColor = if (shiftKind == ShiftKind.WORK) {
+                MaterialTheme.colorScheme.onPrimary
+            } else {
+                MaterialTheme.colorScheme.onError
+            }
+            val shiftLabel = if (shiftKind == ShiftKind.WORK) "班" else "休"
+            val shiftAlpha = if (isCurrentMonth) 1f else 0.38f
+            Text(
+                text = shiftLabel,
+                color = shiftFgColor.copy(alpha = shiftAlpha),
+                fontSize = 9.sp,
+                fontWeight = FontWeight.Bold,
+                lineHeight = 9.sp,
+                modifier = Modifier
+                    .align(Alignment.TopStart)
+                    .zIndex(1f)
+                    .padding(top = 1.dp, start = 2.dp)
+                    .background(shiftBgColor.copy(alpha = shiftAlpha), CircleShape)
+                    .padding(horizontal = 2.dp)
+            )
+        }
         if (holidayBadge != null) {
             Text(
                 text = holidayBadge,

shared/src/commonMain/kotlin/plus/rua/project/ui/WeekPager.kt

@@ -18,6 +18,7 @@ import kotlinx.datetime.DatePeriod
 import kotlinx.datetime.LocalDate
 import kotlinx.datetime.daysUntil
 import kotlinx.datetime.plus
+import plus.rua.project.ShiftKind
 import kotlin.math.abs
 
 /**
@@ -35,6 +36,7 @@ fun WeekPager(
     today: LocalDate,
     onDateClick: (LocalDate) -> Unit,
     onWeekChanged: (LocalDate) -> Unit,
+    shiftKindAt: (LocalDate) -> ShiftKind?,
     modifier: Modifier = Modifier
 ) {
     val initialWeekMonday = remember { selectedDate.toWeekMonday() }
@@ -82,6 +84,7 @@ fun WeekPager(
                             && date.year == selectedDate.year,
                     isSelected = date == selectedDate,
                     isToday = date == today,
+                    shiftKind = shiftKindAt(date),
                     onClick = { onDateClick(date) },
                     modifier = Modifier.weight(1f)
                 )