chore: add unhandled global exception callback for bugsnag

ensure we dispatch any unexpected exceptions to bugsnag with our notify_slack attribute for visibility

Signed-off-by: Brandon McAnsh <git@bmcreations.dev>

Author: bmc08gt

apps/flipcash/app/src/main/kotlin/com/flipcash/app/internal/debug/FlipcashBugsnagErrorCallback.kt

@@ -0,0 +1,15 @@
+package com.flipcash.app.internal.debug
+
+import com.bugsnag.android.OnErrorCallback
+
+internal val FlipcashErrorCallback = OnErrorCallback onError@{ event ->
+    // Only tag unhandled errors — handled errors go through ErrorUtils.handleError()
+    if (!event.isUnhandled) return@onError true
+    val error = event.originalError ?: return@onError true
+
+    val cause = error.cause ?: error
+    event.addMetadata("alert", "slack_notify", true)
+    event.addMetadata("alert", "error_type", cause.javaClass.simpleName)
+    event.addMetadata("alert", "error_family", cause.javaClass.enclosingClass?.simpleName ?: "Unknown")
+    true
+}

apps/flipcash/app/src/main/kotlin/com/flipcash/app/internal/debug/FlipcashDebugTree.kt

@@ -0,0 +1,26 @@
+package com.flipcash.app.internal.debug
+
+import timber.log.Timber
+
+internal val FlipcashDebugTree = object : Timber.DebugTree() {
+    override fun createStackElementTag(element: StackTraceElement): String {
+        val elementTag = super.createStackElementTag(element)
+            .orEmpty()
+            .split("$")
+            .filter { it.isNotEmpty() }
+            .take(2)
+            .joinToString(" ")
+            .replace("_", " ")
+
+        val methodName = element.methodName
+            .split("$")
+            .firstOrNull()
+            .orEmpty()
+
+        return String.format(
+            "%s | %s ",
+            elementTag,
+            methodName
+        )
+    }
+}

apps/flipcash/app/src/main/kotlin/com/flipcash/app/internal/startup/TraceInitializer.kt

@@ -3,7 +3,10 @@ package com.flipcash.app.internal.startup
 import android.content.Context
 import androidx.startup.Initializer
 import com.bugsnag.android.Bugsnag
+import com.bugsnag.android.Configuration
 import com.flipcash.app.android.BuildConfig
+import com.flipcash.app.internal.debug.FlipcashDebugTree
+import com.flipcash.app.internal.debug.FlipcashErrorCallback
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -12,31 +15,12 @@ import timber.log.Timber
 class TraceInitializer: Initializer<Unit> {
     override fun create(context: Context) {
         if (BuildConfig.DEBUG) {
-            Timber.plant(object : Timber.DebugTree() {
-                override fun createStackElementTag(element: StackTraceElement): String {
-                    val elementTag = super.createStackElementTag(element)
-                        .orEmpty()
-                        .split("$")
-                        .filter { it.isNotEmpty() }
-                        .take(2)
-                        .joinToString(" ")
-                        .replace("_", " ")
-
-                    val methodName = element.methodName
-                        .split("$")
-                        .firstOrNull()
-                        .orEmpty()
-
-                    return String.format(
-                        "%s | %s ",
-                        elementTag,
-                        methodName
-                    )
-                }
-            })
+            Timber.plant(FlipcashDebugTree)
         } else {
             CoroutineScope(Dispatchers.IO).launch {
-                Bugsnag.start(context)
+                val config = Configuration.load(context)
+                config.addOnError(FlipcashErrorCallback)
+                Bugsnag.start(context, config)
             }
         }
     }