Update SDK, Gradle and packages

Fix timezone issues
Add timezone tests

donextv2/src/main/java/com/wismna/geoffroy/donext/data/injection/ClockModule.kt

@@ -0,0 +1,17 @@
+package com.wismna.geoffroy.donext.data.injection
+
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import java.time.Clock
+import javax.inject.Singleton
+
+@Module
+@InstallIn(SingletonComponent::class)
+object ClockModule {
+
+    @Provides
+    @Singleton
+    fun provideClock(): Clock = Clock.systemDefaultZone()
+}

donextv2/src/main/java/com/wismna/geoffroy/donext/domain/usecase/GetDueTodayTasksUseCase.kt

@@ -3,20 +3,24 @@ package com.wismna.geoffroy.donext.domain.usecase
 import com.wismna.geoffroy.donext.domain.model.Task
 import com.wismna.geoffroy.donext.domain.repository.TaskRepository
 import kotlinx.coroutines.flow.Flow
+import java.time.Clock
 import java.time.LocalDate
-import java.time.ZoneOffset
 import javax.inject.Inject
 
-class GetDueTodayTasksUseCase @Inject constructor(private val repository: TaskRepository) {
+class GetDueTodayTasksUseCase @Inject constructor(
+    private val repository: TaskRepository,
+    private val clock: Clock
+) {
     operator fun invoke(): Flow<List<Task>> {
-        val todayStart = LocalDate.now()
-            .atStartOfDay(ZoneOffset.UTC)
+        val today = LocalDate.now(clock)
+        val todayStart = today
+            .atStartOfDay(clock.zone)
             .toInstant()
             .toEpochMilli()
 
-        val todayEnd = LocalDate.now()
+        val todayEnd = today
             .plusDays(1)
-            .atStartOfDay(ZoneOffset.UTC)
+            .atStartOfDay(clock.zone)
             .toInstant()
             .toEpochMilli() - 1
         return repository.getDueTodayTasks(

donextv2/src/main/java/com/wismna/geoffroy/donext/domain/usecase/GetTaskListsWithOverdueUseCase.kt

@@ -3,17 +3,20 @@ package com.wismna.geoffroy.donext.domain.usecase
 import com.wismna.geoffroy.donext.domain.model.TaskListWithOverdue
 import com.wismna.geoffroy.donext.domain.repository.TaskRepository
 import kotlinx.coroutines.flow.Flow
+import java.time.Clock
 import java.time.LocalDate
-import java.time.ZoneOffset
 import javax.inject.Inject
 
-class GetTaskListsWithOverdueUseCase @Inject constructor(private val taskRepository: TaskRepository) {
+class GetTaskListsWithOverdueUseCase @Inject constructor(
+    private val taskRepository: TaskRepository,
+    private val clock: Clock
+) {
     operator fun invoke(): Flow<List<TaskListWithOverdue>> {
         return taskRepository.getTaskListsWithOverdue(
-            LocalDate.now()
-            .atStartOfDay(ZoneOffset.UTC)
-            .toInstant()
-            .toEpochMilli()
+            LocalDate.now(clock)
+                .atStartOfDay(clock.zone)
+                .toInstant()
+                .toEpochMilli()
         )
     }
 }

donextv2/src/test/java/com/wismna/geoffroy/donext/domain/usecase/GetDueTodayTasksUseCaseTest.kt

@@ -0,0 +1,80 @@
+package com.wismna.geoffroy.donext.domain.usecase
+
+import com.google.common.truth.Truth.assertThat
+import com.wismna.geoffroy.donext.domain.model.Priority
+import com.wismna.geoffroy.donext.domain.model.Task
+import com.wismna.geoffroy.donext.domain.repository.TaskRepository
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+import java.time.Clock
+import java.time.LocalDate
+import java.time.ZoneId
+
+class GetDueTodayTasksUseCaseTest {
+
+    @Test
+    fun `computes today's window using the clock's own zone, not UTC`() {
+        // Paris in summer is UTC+2: local midnight for this date is 22:00 UTC
+        // the *previous* day. A window anchored to UTC midnight would miss it.
+        val zone = ZoneId.of("Europe/Paris")
+        val today = LocalDate.of(2026, 7, 16)
+        val clock = Clock.fixed(today.atStartOfDay(zone).plusHours(10).toInstant(), zone)
+
+        val repository = mockk<TaskRepository>()
+        every { repository.getDueTodayTasks(any(), any()) } returns flowOf(emptyList())
+
+        GetDueTodayTasksUseCase(repository, clock).invoke()
+
+        val expectedStart = today.atStartOfDay(zone).toInstant().toEpochMilli()
+        val expectedEnd = today.plusDays(1).atStartOfDay(zone).toInstant().toEpochMilli() - 1
+
+        verify { repository.getDueTodayTasks(expectedStart, expectedEnd) }
+    }
+
+    @Test
+    fun `window covers exactly local midnight to the millisecond before the next local midnight`() {
+        val zone = ZoneId.of("America/Montreal")
+        val today = LocalDate.of(2026, 1, 5)
+        val clock = Clock.fixed(today.atStartOfDay(zone).plusHours(6).toInstant(), zone)
+
+        val repository = mockk<TaskRepository>()
+        every { repository.getDueTodayTasks(any(), any()) } returns flowOf(emptyList())
+
+        GetDueTodayTasksUseCase(repository, clock).invoke()
+
+        val expectedStart = today.atStartOfDay(zone).toInstant().toEpochMilli()
+        val expectedEnd = today.plusDays(1).atStartOfDay(zone).toInstant().toEpochMilli() - 1
+        assertThat(expectedEnd - expectedStart).isEqualTo(24L * 60 * 60 * 1000 - 1)
+
+        verify { repository.getDueTodayTasks(expectedStart, expectedEnd) }
+    }
+
+    @Test
+    fun `passes through the tasks emitted by the repository`() = runTest {
+        val zone = ZoneId.systemDefault()
+        val clock = Clock.fixed(LocalDate.of(2026, 1, 1).atStartOfDay(zone).toInstant(), zone)
+        val tasks = listOf(
+            Task(
+                id = 1L,
+                taskListId = 1L,
+                name = "Task",
+                description = "",
+                priority = Priority.NORMAL,
+                isDone = false,
+                isDeleted = false
+            )
+        )
+
+        val repository = mockk<TaskRepository>()
+        every { repository.getDueTodayTasks(any(), any()) } returns flowOf(tasks)
+
+        val result = GetDueTodayTasksUseCase(repository, clock).invoke().first()
+
+        assertThat(result).isEqualTo(tasks)
+    }
+}

donextv2/src/test/java/com/wismna/geoffroy/donext/domain/usecase/GetTaskListsWithOverdueUseCaseTest.kt

@@ -0,0 +1,50 @@
+package com.wismna.geoffroy.donext.domain.usecase
+
+import com.google.common.truth.Truth.assertThat
+import com.wismna.geoffroy.donext.domain.model.TaskListWithOverdue
+import com.wismna.geoffroy.donext.domain.repository.TaskRepository
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.test.runTest
+import org.junit.Test
+import java.time.Clock
+import java.time.LocalDate
+import java.time.ZoneId
+
+class GetTaskListsWithOverdueUseCaseTest {
+
+    @Test
+    fun `computes the overdue cutoff at local midnight, not UTC midnight`() {
+        // Paris in summer is UTC+2: local midnight for this date is 22:00 UTC
+        // the *previous* day. A cutoff anchored to UTC midnight would flag
+        // today's tasks as overdue a full day too early.
+        val zone = ZoneId.of("Europe/Paris")
+        val today = LocalDate.of(2026, 7, 16)
+        val clock = Clock.fixed(today.atStartOfDay(zone).plusHours(10).toInstant(), zone)
+
+        val repository = mockk<TaskRepository>()
+        every { repository.getTaskListsWithOverdue(any()) } returns flowOf(emptyList())
+
+        GetTaskListsWithOverdueUseCase(repository, clock).invoke()
+
+        val expectedCutoff = today.atStartOfDay(zone).toInstant().toEpochMilli()
+        verify { repository.getTaskListsWithOverdue(expectedCutoff) }
+    }
+
+    @Test
+    fun `passes through the lists emitted by the repository`() = runTest {
+        val zone = ZoneId.systemDefault()
+        val clock = Clock.fixed(LocalDate.of(2026, 1, 1).atStartOfDay(zone).toInstant(), zone)
+        val lists = listOf(TaskListWithOverdue(id = 1L, name = "Work", overdueCount = 2))
+
+        val repository = mockk<TaskRepository>()
+        every { repository.getTaskListsWithOverdue(any()) } returns flowOf(lists)
+
+        val result = GetTaskListsWithOverdueUseCase(repository, clock).invoke().first()
+
+        assertThat(result).isEqualTo(lists)
+    }
+}