feat(wearos): add release signing via EAS credentials.json

scripts/build-wearos.sh

@@ -30,6 +30,21 @@ cd "$WEAR_DIR"
 echo "Building WearOS ($PROFILE) v$VERSION ($VERSION_CODE)..."
 
 if [ "$PROFILE" = "release" ]; then
+  if [ ! -f "$WEAR_DIR/../credentials.json" ]; then
+    echo "credentials.json not found. Downloading from EAS..."
+    cd "$PROJECT_ROOT"
+    eas credentials --platform android --non-interactive 2>/dev/null || {
+      echo "Auto-download failed. Run manually:"
+      echo "  eas credentials --platform android"
+      echo "  → Choose 'credentials.json: Upload/Download credentials'"
+      echo "  → Choose 'Download credentials from EAS to credentials.json'"
+      echo "  Then: cp credentials.json targets/wearos/credentials.json"
+      exit 1
+    }
+    cp credentials.json "$WEAR_DIR/credentials.json"
+    echo "credentials.json copied to targets/wearos/"
+    cd "$WEAR_DIR"
+  fi
   ./gradlew assembleRelease -PversionName="$VERSION" -PversionCode="$VERSION_CODE"
   APK_PATH="app/build/outputs/apk/release/app-release.apk"
 else

targets/wearos/app/build.gradle.kts

@@ -5,6 +5,8 @@ plugins {
     id("io.sentry.android.gradle") version "6.17.0"
 }
 
+val credentialsFile = rootProject.file("../credentials.json")
+
 android {
     namespace = "nl.guidoit.swimbuddy"
     compileSdk = 35
@@ -22,6 +24,20 @@ android {
         manifestPlaceholders["sentryDsn"] = sentryDsn
     }
 
+    signingConfigs {
+        if (credentialsFile.exists()) {
+            create("release") {
+                val credentials = groovy.json.JsonSlurper().parse(credentialsFile) as Map<*, *>
+                val keystoreData = credentials["android"]!! as Map<*, *>
+                val keyData = keystoreData["keystore"]!! as Map<*, *>
+                storeFile = rootProject.file(keyData["keystorePath"] as String)
+                storePassword = keyData["keystorePassword"] as String
+                keyAlias = keyData["keyAlias"] as String
+                keyPassword = keyData["keyPassword"] as? String ?: keyData["keystorePassword"] as String
+            }
+        }
+    }
+
     buildTypes {
         release {
             isMinifyEnabled = true
@@ -30,6 +46,9 @@ android {
                 getDefaultProguardFile("proguard-android-optimize.txt"),
                 "proguard-rules.pro"
             )
+            if (credentialsFile.exists()) {
+                signingConfig = signingConfigs.getByName("release")
+            }
         }
     }
 

targets/wearos/app/src/main/AndroidManifest.xml

@@ -34,6 +34,10 @@
             android:name="io.sentry.attach-screenshot"
             android:value="true" />
 
+        <meta-data
+            android:name="com.google.android.wearable.standalone"
+            android:value="false" />
+
         <activity
             android:name=".SwimBuddyWearActivity"
             android:exported="true"