feat: harden offline sync and add diagnostics

app/src/test/java/pl/firmatpp/kierowca/ui/DriverUiRulesTest.kt

@@ -261,6 +261,32 @@ class DriverUiRulesTest {
         )
     }
 
+    @Test
+    fun healthyOnlineStateDoesNotShowOfflineBanner() {
+        assertEquals(
+            null,
+            connectionStatusBannerMessage(
+                isOnline = true,
+                isStale = false,
+                serverConnectionState = ServerConnectionState.Reachable,
+                showRealtimeReconnecting = false,
+                syncLabel = "12:30",
+            ),
+        )
+    }
+
+    @Test
+    fun serverFailureAndRealtimeReconnectAreNotCalledOffline() {
+        assertEquals(
+            "Internet działa, ale serwer jest chwilowo niedostępny. Pokazujemy dane z 12:30.",
+            connectionStatusBannerMessage(true, true, ServerConnectionState.Degraded, false, "12:30"),
+        )
+        assertEquals(
+            "Ponowne łączenie. Dane są uzgadniane z serwerem.",
+            connectionStatusBannerMessage(true, false, ServerConnectionState.Reachable, true, "12:30"),
+        )
+    }
+
     @Test
     fun explainsStaleCachedDataWhenOnline() {
         assertEquals(
@@ -321,7 +347,7 @@ class DriverUiRulesTest {
         val steps = routeFlowSteps(route, emptyList())
         val action = routeLifecyclePrimaryAction(route, "2026-06-30", today)
 
-        assertEquals(listOf("Zdjęcia załadunku", "Waga załadunku", "W trasie", "Rozładunek"), steps.map { it.title })
+        assertEquals(listOf("Zdjęcia załadunku", "Tonaż załadunku", "W trasie", "Rozładunek"), steps.map { it.title })
         assertEquals(RouteFlowStepState.Todo, steps[0].state)
         assertEquals(RouteFlowStepState.Todo, steps[1].state)
         assertEquals(RouteFlowStepState.Todo, steps[2].state)
@@ -393,12 +419,22 @@ class DriverUiRulesTest {
         assertEquals(RouteFlowStepState.NeedsAttention, steps[3].state)
         assertEquals("Kurs wymaga obsługi. Dane wpisane w telefonie zostały zachowane.", callout?.text)
         assertTrue(callout?.isConflict ?: false)
+        assertFalse(callout?.canCorrect ?: true)
+    }
+
+    @Test
+    fun permanentlyRejectedRouteActionOffersDataCorrection() {
+        val callout = routeSyncCallout(
+            listOf(action(RouteActionType.Start, RouteActionStatus.FailedPermanent, "Brakuje wymaganych danych.")),
+        )
+
+        assertTrue(callout?.canCorrect ?: false)
     }
 
     @Test
     fun routeStageSubmitBlockerExplainsMissingRequirements() {
-        assertEquals("Podaj wagę.", routeStageSubmitBlocker("", serverPhotoCount = 1, localUploadCount = 0))
-        assertEquals("Waga musi być większa od zera.", routeStageSubmitBlocker("0", serverPhotoCount = 1, localUploadCount = 0))
+        assertEquals("Podaj tonaż.", routeStageSubmitBlocker("", serverPhotoCount = 1, localUploadCount = 0))
+        assertEquals("Tonaż musi być większy od zera.", routeStageSubmitBlocker("0", serverPhotoCount = 1, localUploadCount = 0))
         assertEquals("Dodaj co najmniej jedno zdjęcie etapu.", routeStageSubmitBlocker("12,5", serverPhotoCount = 0, localUploadCount = 0))
         assertEquals(null, routeStageSubmitBlocker("12,5", serverPhotoCount = 0, localUploadCount = 1))
     }
@@ -415,9 +451,9 @@ class DriverUiRulesTest {
 
     @Test
     fun loadingWeightStepRequiresPositiveWeightAndPreviousLoadingPhoto() {
-        assertEquals("Podaj wagę.", loadingWeightSubmitBlocker("", serverPhotoCount = 1, localUploadCount = 0))
-        assertEquals("Podaj poprawną wagę.", loadingWeightSubmitBlocker("abc", serverPhotoCount = 1, localUploadCount = 0))
-        assertEquals("Waga musi być większa od zera.", loadingWeightSubmitBlocker("0", serverPhotoCount = 1, localUploadCount = 0))
+        assertEquals("Podaj tonaż.", loadingWeightSubmitBlocker("", serverPhotoCount = 1, localUploadCount = 0))
+        assertEquals("Podaj poprawny tonaż.", loadingWeightSubmitBlocker("abc", serverPhotoCount = 1, localUploadCount = 0))
+        assertEquals("Tonaż musi być większy od zera.", loadingWeightSubmitBlocker("0", serverPhotoCount = 1, localUploadCount = 0))
         assertEquals(
             "Dodaj co najmniej jedno zdjęcie załadunku.",
             loadingWeightSubmitBlocker("12,5", serverPhotoCount = 0, localUploadCount = 0),
@@ -425,6 +461,61 @@ class DriverUiRulesTest {
         assertEquals(null, loadingWeightSubmitBlocker("12,5", serverPhotoCount = 0, localUploadCount = 1))
     }
 
+    @Test
+    fun optionalStageInputsAreVisibleButDoNotBlockConfirmation() {
+        assertEquals(
+            null,
+            routeStageSubmitBlocker(
+                weightText = "",
+                serverPhotoCount = 0,
+                localUploadCount = 0,
+                weightRequirement = RouteStageRequirement.Optional,
+                photoRequirement = RouteStageRequirement.Optional,
+            ),
+        )
+        assertEquals(
+            "Podaj poprawny tonaż.",
+            routeStageSubmitBlocker(
+                weightText = "abc",
+                serverPhotoCount = 0,
+                localUploadCount = 0,
+                weightRequirement = RouteStageRequirement.Optional,
+                photoRequirement = RouteStageRequirement.Optional,
+            ),
+        )
+    }
+
+    @Test
+    fun disabledStageInputsAreHiddenAndDoNotBlockConfirmation() {
+        assertEquals(RouteStageRequirement.Required, normalizeRouteStageRequirement(null))
+        assertEquals(RouteStageRequirement.Required, normalizeRouteStageRequirement("unknown"))
+        assertFalse(routeStageRequirementIsVisible(RouteStageRequirement.Disabled))
+        assertTrue(routeStageRequirementIsVisible(RouteStageRequirement.Optional))
+        assertTrue(routeStageRequirementIsRequired(RouteStageRequirement.Required))
+        assertEquals(
+            null,
+            routeStageSubmitBlocker(
+                weightText = "invalid value is ignored",
+                serverPhotoCount = 0,
+                localUploadCount = 0,
+                weightRequirement = RouteStageRequirement.Disabled,
+                photoRequirement = RouteStageRequirement.Disabled,
+            ),
+        )
+    }
+
+    @Test
+    fun disabledLoadingStepsAreRemovedFromRouteFlow() {
+        val steps = routeFlowSteps(
+            route(status = "ZAPLANOWANA"),
+            emptyList(),
+            loadingPhotoRequirement = RouteStageRequirement.Disabled,
+            loadingWeightRequirement = RouteStageRequirement.Disabled,
+        )
+
+        assertEquals(listOf("W trasie", "Rozładunek"), steps.map { it.title })
+    }
+
     private fun route(
         status: String = "ZAPLANOWANA",
         loadingWeight: Double? = null,

app/src/test/java/pl/firmatpp/kierowca/ui/DriverUiStateTest.kt

@@ -3,6 +3,7 @@ package pl.firmatpp.kierowca.ui
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertTrue
 import org.junit.Test
+import java.io.IOException
 import pl.firmatpp.kierowca.data.model.DriverLeaveRequestDto
 import pl.firmatpp.kierowca.data.model.DriverRouteDto
 import pl.firmatpp.kierowca.data.upload.RouteActionEntity
@@ -26,6 +27,21 @@ class DriverUiStateTest {
         assertEquals(AppThemeMode.Material3, state.themeMode)
     }
 
+    @Test
+    fun networkTimeoutDoesNotChangeValidatedNetworkState() {
+        val state = DriverUiState(
+            isOnline = true,
+            serverConnectionState = ServerConnectionState.Reachable,
+            lastServerSyncAtEpochMillis = 123L,
+        )
+
+        val failed = state.withApiError(IOException("timeout"))
+
+        assertTrue(failed.isOnline)
+        assertTrue(failed.isStale)
+        assertEquals(ServerConnectionState.Degraded, failed.serverConnectionState)
+    }
+
     @Test
     fun refreshingLeaveRequestsKeepsDetailScreenOpenAndUpdatesSelectedRequest() {
         val state = DriverUiState(