feature: integrate Sentry SDK for crash reporting on Android and iOS

shared/build.gradle.kts

@@ -2,6 +2,8 @@ plugins {
     id("gwenedeg.kmp.library")
     id("gwenedeg.compose")
     alias(libs.plugins.kotlinSerialization)
+    id("gwenedeg.secrets")
+    alias(libs.plugins.sentry)
 }
 
 kotlin {

shared/src/commonMain/kotlin/bzh/ajaury/chombev/SentryHelper.kt

@@ -0,0 +1,20 @@
+package bzh.ajaury.chombev
+
+import io.sentry.kotlin.multiplatform.Sentry
+
+object SentryHelper {
+    fun initializeSentry() {
+        // The DSN is injected at build time from local.properties (or the GLITCHTIP_DSN
+        // environment variable) so it never lands in version control. Without it, crash
+        // reporting is simply disabled.
+        val dsn = BuildSecrets.GLITCHTIP_DSN
+        if (dsn.isBlank()) return
+
+        Sentry.init { options ->
+            options.dsn = dsn
+            options.debug = true
+            options.sendDefaultPii = false
+            options.enableAutoSessionTracking = false
+        }
+    }
+}