Fix image picker crash, add 7-day bar chart, bump to v1.2

- Image reading moved to IO thread with runCatching to prevent main thread crash and OOM on large gallery images
- 7-day calorie bar chart added to dashboard using Canvas
- Version bumped to 1.2 (code 3)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/build.gradle

@@ -12,8 +12,8 @@ android {
         applicationId 'com.danvics.calorieai'
         minSdk 26
         targetSdk 35
-        versionCode 2
-        versionName '1.1'
+        versionCode 3
+        versionName '1.2'
     }
 
     buildFeatures {

app/src/main/java/com/danvics/calorieai/MainActivity.kt

@@ -52,8 +52,19 @@ private fun AppRoot(repo: ApiRepository) {
     var syncing by remember { mutableStateOf(false) }
 
     val imagePicker = rememberLauncherForActivityResult(ActivityResultContracts.GetContent()) { uri: Uri? ->
-        if (uri != null) selectedImage = context.contentResolver.openInputStream(uri)?.use { stream ->
-            ImagePayload.fromBytes(uri.lastPathSegment ?: "image", context.contentResolver.getType(uri) ?: "image/jpeg", stream.readBytes())
+        if (uri != null) {
+            scope.launch(Dispatchers.IO) {
+                val payload = runCatching {
+                    context.contentResolver.openInputStream(uri)?.use { stream ->
+                        ImagePayload.fromBytes(
+                            uri.lastPathSegment ?: "image",
+                            context.contentResolver.getType(uri) ?: "image/jpeg",
+                            stream.readBytes()
+                        )
+                    }
+                }.getOrNull()
+                withContext(Dispatchers.Main) { if (payload != null) selectedImage = payload }
+            }
         }
     }
     val camera = rememberLauncherForActivityResult(ActivityResultContracts.TakePicturePreview()) { bitmap ->

app/src/main/java/com/danvics/calorieai/ui/Components.kt

@@ -1,12 +1,18 @@
 package com.danvics.calorieai.ui
 
+import androidx.compose.foundation.Canvas
 import androidx.compose.foundation.layout.*
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.CornerRadius
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import com.danvics.calorieai.data.DayTotals
 
 @Composable
 fun SectionCard(title: String, modifier: Modifier = Modifier, content: @Composable ColumnScope.() -> Unit) {
@@ -78,6 +84,38 @@ fun MacroBar(label: String, grams: Int, totalGrams: Int, color: Color) {
     }
 }
 
+@Composable
+fun WeekBarChart(week: List<DayTotals>, modifier: Modifier = Modifier) {
+    val primary = MaterialTheme.colorScheme.primary
+    val track = MaterialTheme.colorScheme.surfaceVariant
+    val maxCal = week.maxOfOrNull { it.calories }.takeIf { it != null && it > 0 } ?: 1
+    Column(modifier) {
+        Canvas(modifier = Modifier.fillMaxWidth().height(96.dp)) {
+            val slotW = size.width / week.size
+            val barW = slotW * 0.55f
+            val maxH = size.height
+            week.forEachIndexed { i, day ->
+                val x = i * slotW + (slotW - barW) / 2
+                val fillH = (day.calories.toFloat() / maxCal) * maxH
+                drawRoundRect(track, Offset(x, 0f), Size(barW, maxH), CornerRadius(6f))
+                if (fillH > 0f) drawRoundRect(primary, Offset(x, maxH - fillH), Size(barW, fillH), CornerRadius(6f))
+            }
+        }
+        Spacer(Modifier.height(4.dp))
+        Row(Modifier.fillMaxWidth()) {
+            week.forEach { day ->
+                Text(
+                    day.label,
+                    style = MaterialTheme.typography.labelSmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    textAlign = TextAlign.Center,
+                    modifier = Modifier.weight(1f)
+                )
+            }
+        }
+    }
+}
+
 @Composable
 fun CalorieGoalBar(consumed: Int, target: Int) {
     val fraction = (consumed.toFloat() / target).coerceIn(0f, 1f)

app/src/main/java/com/danvics/calorieai/ui/DashboardScreen.kt

@@ -66,6 +66,8 @@ fun DashboardScreen(entries: List<MealEntry>, settings: ServerSettings, onLog: (
 
     if (week.any { it.calories > 0 }) {
         SectionCard("Last 7 days") {
+            WeekBarChart(week, Modifier.fillMaxWidth())
+            HorizontalDivider(thickness = 0.5.dp, color = MaterialTheme.colorScheme.outlineVariant)
             week.reversed().forEach { day ->
                 Row(Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceBetween) {
                     Text(day.label, style = MaterialTheme.typography.bodyMedium)