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2025-04-11 27bbd0435881e408f267c99e6a253d2e17873bcc

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package com.example.firstapp.model
 
data class HeatmapStat(
    val dayOfWeek: Int,  // 0-6 (周日-周六)
    val weekOfYear: Int, // 0-51
    val count: Int
)