Add haptic feedback, rich task completion, and Google Sign-In preparation

- Add platform haptic feedback abstraction (HapticFeedback.kt) with
  implementations for Android, iOS, JVM, JS, and WASM
- Enhance CompleteTaskDialog with interactive 5-star rating, image
  thumbnails, and haptic feedback
- Add ImageBitmap platform abstraction for displaying selected images
- Localize TaskTemplatesBrowserSheet with string resources
- Add Android widgets infrastructure (small, medium, large sizes)
- Add Google Sign-In button components and auth flow preparation
- Update strings.xml with new localization keys for completions,
  templates, and document features
- Integrate haptic feedback into ThemePickerDialog

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

composeApp/src/androidMain/kotlin/com/example/casera/widget/CaseraSmallWidget.kt

@@ -0,0 +1,171 @@
+package com.example.casera.widget
+
+import android.content.Context
+import android.content.Intent
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.glance.GlanceId
+import androidx.glance.GlanceModifier
+import androidx.glance.GlanceTheme
+import androidx.glance.Image
+import androidx.glance.ImageProvider
+import androidx.glance.action.ActionParameters
+import androidx.glance.action.clickable
+import androidx.glance.appwidget.GlanceAppWidget
+import androidx.glance.appwidget.GlanceAppWidgetReceiver
+import androidx.glance.appwidget.action.ActionCallback
+import androidx.glance.appwidget.action.actionRunCallback
+import androidx.glance.appwidget.provideContent
+import androidx.glance.background
+import androidx.glance.currentState
+import androidx.glance.layout.Alignment
+import androidx.glance.layout.Box
+import androidx.glance.layout.Column
+import androidx.glance.layout.Row
+import androidx.glance.layout.Spacer
+import androidx.glance.layout.fillMaxSize
+import androidx.glance.layout.fillMaxWidth
+import androidx.glance.layout.height
+import androidx.glance.layout.padding
+import androidx.glance.layout.size
+import androidx.glance.layout.width
+import androidx.glance.state.GlanceStateDefinition
+import androidx.glance.state.PreferencesGlanceStateDefinition
+import androidx.glance.text.FontWeight
+import androidx.glance.text.Text
+import androidx.glance.text.TextStyle
+import androidx.glance.unit.ColorProvider
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.intPreferencesKey
+import com.example.casera.R
+
+/**
+ * Small widget showing task count summary
+ * Size: 2x1 or 2x2
+ */
+class CaseraSmallWidget : GlanceAppWidget() {
+
+    override val stateDefinition: GlanceStateDefinition<*> = PreferencesGlanceStateDefinition
+
+    override suspend fun provideGlance(context: Context, id: GlanceId) {
+        provideContent {
+            GlanceTheme {
+                SmallWidgetContent()
+            }
+        }
+    }
+
+    @Composable
+    private fun SmallWidgetContent() {
+        val prefs = currentState<Preferences>()
+        val overdueCount = prefs[intPreferencesKey("overdue_count")] ?: 0
+        val dueSoonCount = prefs[intPreferencesKey("due_soon_count")] ?: 0
+        val inProgressCount = prefs[intPreferencesKey("in_progress_count")] ?: 0
+
+        Box(
+            modifier = GlanceModifier
+                .fillMaxSize()
+                .background(Color(0xFFFFF8E7)) // Cream background
+                .clickable(actionRunCallback<OpenAppAction>())
+                .padding(12.dp),
+            contentAlignment = Alignment.Center
+        ) {
+            Column(
+                modifier = GlanceModifier.fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                // App name/logo
+                Text(
+                    text = "Casera",
+                    style = TextStyle(
+                        color = ColorProvider(Color(0xFF07A0C3)),
+                        fontSize = 16.sp,
+                        fontWeight = FontWeight.Bold
+                    )
+                )
+
+                Spacer(modifier = GlanceModifier.height(8.dp))
+
+                // Task counts row
+                Row(
+                    modifier = GlanceModifier.fillMaxWidth(),
+                    horizontalAlignment = Alignment.CenterHorizontally
+                ) {
+                    // Overdue
+                    TaskCountItem(
+                        count = overdueCount,
+                        label = "Overdue",
+                        color = Color(0xFFDD1C1A) // Red
+                    )
+
+                    Spacer(modifier = GlanceModifier.width(16.dp))
+
+                    // Due Soon
+                    TaskCountItem(
+                        count = dueSoonCount,
+                        label = "Due Soon",
+                        color = Color(0xFFF5A623) // Amber
+                    )
+
+                    Spacer(modifier = GlanceModifier.width(16.dp))
+
+                    // In Progress
+                    TaskCountItem(
+                        count = inProgressCount,
+                        label = "Active",
+                        color = Color(0xFF07A0C3) // Primary
+                    )
+                }
+            }
+        }
+    }
+
+    @Composable
+    private fun TaskCountItem(count: Int, label: String, color: Color) {
+        Column(
+            horizontalAlignment = Alignment.CenterHorizontally
+        ) {
+            Text(
+                text = count.toString(),
+                style = TextStyle(
+                    color = ColorProvider(color),
+                    fontSize = 24.sp,
+                    fontWeight = FontWeight.Bold
+                )
+            )
+            Text(
+                text = label,
+                style = TextStyle(
+                    color = ColorProvider(Color(0xFF666666)),
+                    fontSize = 10.sp
+                )
+            )
+        }
+    }
+}
+
+/**
+ * Action to open the main app
+ */
+class OpenAppAction : ActionCallback {
+    override suspend fun onAction(
+        context: Context,
+        glanceId: GlanceId,
+        parameters: ActionParameters
+    ) {
+        val intent = context.packageManager.getLaunchIntentForPackage(context.packageName)
+        intent?.let {
+            it.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP
+            context.startActivity(it)
+        }
+    }
+}
+
+/**
+ * Receiver for the small widget
+ */
+class CaseraSmallWidgetReceiver : GlanceAppWidgetReceiver() {
+    override val glanceAppWidget: GlanceAppWidget = CaseraSmallWidget()
+}