feat(branding): add HealthChat launcher icon and logo

Official cross-in-circle icon (same art as the iOS X app); onboarding
title localized for en/de/fr/it.

app/build.gradle.kts

@@ -274,7 +274,7 @@ dependencies {
         implementation(projects.appicon.enterprise)
     } else {
         implementation(projects.features.enterprise.implFoss)
-        implementation(projects.appicon.element)
+        implementation(projects.appicon.healthchat)
     }
     allFeaturesImpl(project)
     implementation(projects.features.migration.api)

app/src/main/res/values-de/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2026 Novaloop AG
+  ~
+  ~ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+  ~ Please see LICENSE files in the repository root for full details.
+  -->
+<resources>
+    <string name="screen_onboarding_welcome_title">"Willkommen bei HealthChat"</string>
+</resources>

app/src/main/res/values-fr/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2026 Novaloop AG
+  ~
+  ~ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+  ~ Please see LICENSE files in the repository root for full details.
+  -->
+<resources>
+    <string name="screen_onboarding_welcome_title">"Bienvenue chez HealthChat"</string>
+</resources>

app/src/main/res/values-it/strings.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2026 Novaloop AG
+  ~
+  ~ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+  ~ Please see LICENSE files in the repository root for full details.
+  -->
+<resources>
+    <string name="screen_onboarding_welcome_title">"Benvenuto su HealthChat"</string>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2026 Novaloop AG
+  ~
+  ~ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+  ~ Please see LICENSE files in the repository root for full details.
+  -->
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- HealthChat override of the Element onboarding title ("Be in your element").
+         Overridden here app-side instead of editing the Localazy-managed login
+         strings, so upstream merges stay clean. Only the main HealthChat locales
+         are overridden; other locales fall back to their Element translation. -->
+    <string name="screen_onboarding_welcome_title" tools:ignore="MissingTranslation">"Welcome to HealthChat"</string>
+</resources>

appicon/healthchat/build.gradle.kts

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2026 Novaloop AG
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+ * Please see LICENSE files in the repository root for full details.
+ */
+plugins {
+    id("io.element.android-compose-library")
+}
+
+android {
+    namespace = "io.element.android.appicon.healthchat"
+
+    buildTypes {
+        register("nightly")
+    }
+}

appicon/healthchat/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2026 Novaloop AG
+  ~
+  ~ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+  ~ Please see LICENSE files in the repository root for full details.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#12325C"
+        android:fillType="evenOdd"
+        android:pathData="m0,0h108v108h-108z" />
+</vector>

appicon/healthchat/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2026 Novaloop AG
+  ~
+  ~ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+  ~ Please see LICENSE files in the repository root for full details.
+  -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@mipmap/ic_launcher_foreground" />
+    <monochrome android:drawable="@mipmap/ic_launcher_monochrome" />
+</adaptive-icon>

appicon/healthchat/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2026 Novaloop AG
+  ~
+  ~ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+  ~ Please see LICENSE files in the repository root for full details.
+  -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@mipmap/ic_launcher_foreground" />
+    <monochrome android:drawable="@mipmap/ic_launcher_monochrome" />
+</adaptive-icon>

settings.gradle.kts

@@ -122,6 +122,7 @@ include(":appnav")
 include(":appconfig")
 include(":appicon:element")
 include(":appicon:enterprise")
+include(":appicon:healthchat")
 include(":tests:detekt-rules")
 include(":tests:konsist")
 include(":tests:uitests")