P5 Stream S: cross-platform Haptics (expect/actual)

Common API + platform actuals (Android HapticFeedbackConstants/Vibrator,
iOS UIImpact/NotificationFeedback, JVM/JS/WASM no-op). 5 call-sites wired.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

composeApp/src/commonMain/kotlin/com/tt/honeyDue/ui/components/CompleteTaskDialog.kt

@@ -39,6 +39,7 @@ import com.tt.honeyDue.platform.rememberCameraPicker
 import com.tt.honeyDue.platform.HapticFeedbackType
 import com.tt.honeyDue.platform.rememberHapticFeedback
 import com.tt.honeyDue.platform.rememberImageBitmap
+import com.tt.honeyDue.ui.haptics.Haptics
 import kotlinx.datetime.*
 import org.jetbrains.compose.resources.stringResource
 
@@ -350,6 +351,7 @@ fun CompleteTaskDialog(
         confirmButton = {
             Button(
                 onClick = {
+                    Haptics.success() // P5 Stream S — task completion haptic
                     // Get current date in ISO format
                     val currentDate = getCurrentDateTime()
 

composeApp/src/commonMain/kotlin/com/tt/honeyDue/ui/components/ErrorDialog.kt

@@ -7,7 +7,9 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.graphics.Color
+import com.tt.honeyDue.ui.haptics.Haptics
 
 /**
  * Reusable error dialog component that shows network errors with retry/cancel options
@@ -28,6 +30,8 @@ fun ErrorDialog(
     retryButtonText: String = "Try Again",
     dismissButtonText: String = "Cancel"
 ) {
+    // P5 Stream S — error haptic when the dialog appears
+    LaunchedEffect(message) { Haptics.error() }
     AlertDialog(
         onDismissRequest = onDismiss,
         title = {
@@ -46,6 +50,7 @@ fun ErrorDialog(
         confirmButton = {
             Button(
                 onClick = {
+                    Haptics.light() // P5 Stream S — primary-tap haptic on retry
                     onDismiss()
                     onRetry()
                 },

composeApp/src/commonMain/kotlin/com/tt/honeyDue/ui/components/common/ErrorCard.kt

@@ -4,8 +4,10 @@ import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.*
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
+import com.tt.honeyDue.ui.haptics.Haptics
 import org.jetbrains.compose.ui.tooling.preview.Preview
 
 @Composable
@@ -14,6 +16,8 @@ fun ErrorCard(
     modifier: Modifier = Modifier
 ) {
     if (message.isNotEmpty()) {
+        // P5 Stream S — form-validation / network error haptic
+        LaunchedEffect(message) { Haptics.error() }
         Card(
             colors = CardDefaults.cardColors(
                 containerColor = MaterialTheme.colorScheme.errorContainer

composeApp/src/commonMain/kotlin/com/tt/honeyDue/ui/screens/CompleteTaskScreen.kt

@@ -29,6 +29,7 @@ import com.tt.honeyDue.models.TaskCompletionCreateRequest
 import com.tt.honeyDue.models.ContractorSummary
 import com.tt.honeyDue.network.ApiResult
 import com.tt.honeyDue.platform.*
+import com.tt.honeyDue.ui.haptics.Haptics
 import com.tt.honeyDue.ui.theme.*
 import com.tt.honeyDue.viewmodel.ContractorViewModel
 import org.jetbrains.compose.resources.stringResource
@@ -383,6 +384,7 @@ fun CompleteTaskScreen(
                 OrganicPrimaryButton(
                     text = stringResource(Res.string.completions_complete_button),
                     onClick = {
+                        Haptics.success() // P5 Stream S — task completion haptic
                         isSubmitting = true
                         val notesWithContractor = buildString {
                             selectedContractor?.let {