Ensure entry appears before its arguments when Sentry UI displays back stack context + drop visually redundant "arguments_" prefix from drop reason

Author: 0xadam-brown

sentry-android-navigation3/src/main/kotlin/io/sentry/compose/navigation3/BackStackConverter.kt

@@ -432,7 +432,7 @@ internal data class NormalizedSentryBackStackEntry(
    * ```
    *  {
    *    "entry": "/ProductScreen"
-   *    "arguments": {
+   *    "entry_arguments": {
    *      "product_id": 12345
    *      "promo_id:": "spring-marketing-drive-2026"
    *    }
@@ -441,7 +441,7 @@ internal data class NormalizedSentryBackStackEntry(
    */
   fun serialize(): Map<String, Any?> = buildMap {
     put("entry", name)
-    argumentsWithMetadata().takeIf { it.isNotEmpty() }?.let { put("arguments", it) }
+    argumentsWithMetadata().takeIf { it.isNotEmpty() }?.let { put("entry_arguments", it) }
   }
 }
 
@@ -461,6 +461,6 @@ internal enum class ArgumentDropReason(
   SANITIZATION_FAILED("sanitization_failed");
 
   companion object {
-    const val ARGUMENT_DROP_REASON_KEY = "arguments_dropped_by_sentry"
+    const val ARGUMENT_DROP_REASON_KEY = "dropped_by_sentry"
   }
 }

sentry-android-navigation3/src/test/kotlin/io/sentry/compose/navigation3/BackStackConverterTest.kt

@@ -619,7 +619,7 @@ class BackStackConverterTest {
 
     assertThat(routes.map(NormalizedSentryBackStackEntry::serialize))
       .containsExactly(
-        mapOf("entry" to "/SettingsScreen", "arguments" to mapOf("section" to "privacy")),
+        mapOf("entry" to "/SettingsScreen", "entry_arguments" to mapOf("section" to "privacy")),
         mapOf("entry" to "/ProfileScreen"),
       )
       .inOrder()
@@ -637,7 +637,7 @@ class BackStackConverterTest {
       .isEqualTo(
         mapOf(
           "entry" to "/HomeScreen",
-          "arguments" to mapOf(ARGUMENT_DROP_REASON_KEY to "max_argument_count_exceeded"),
+          "entry_arguments" to mapOf(ARGUMENT_DROP_REASON_KEY to "max_argument_count_exceeded"),
         )
       )
   }

sentry-android-navigation3/src/test/kotlin/io/sentry/compose/navigation3/BackStackObserverTest.kt

@@ -273,10 +273,10 @@ class BackStackObserverTest {
     assertThat(fixture.scope.navigationBackStack())
       .isEqualTo(
         listOf(
-          mapOf("entry" to "/ProfileScreen", "arguments" to mapOf("userId" to "123")),
+          mapOf("entry" to "/ProfileScreen", "entry_arguments" to mapOf("userId" to "123")),
           mapOf(
             "entry" to "/HomeScreen",
-            "arguments" to mapOf(ARGUMENT_DROP_REASON_KEY to "max_argument_count_exceeded"),
+            "entry_arguments" to mapOf(ARGUMENT_DROP_REASON_KEY to "max_argument_count_exceeded"),
           ),
         )
       )
@@ -461,7 +461,7 @@ class BackStackObserverTest {
     assertThat(transaction.navigationBackStack())
       .isEqualTo(
         listOf(
-          mapOf("entry" to "/ProfileScreen", "arguments" to mapOf("userId" to "123")),
+          mapOf("entry" to "/ProfileScreen", "entry_arguments" to mapOf("userId" to "123")),
           mapOf("entry" to "/HomeScreen"),
         )
       )
@@ -697,7 +697,7 @@ class BackStackObserverTest {
         listOf(
           mapOf(
             "entry" to NormalizedSentryBackStackEntry.UNKNOWN_ENTRY_NAME,
-            "arguments" to mapOf(ARGUMENT_DROP_REASON_KEY to "mapping_failed"),
+            "entry_arguments" to mapOf(ARGUMENT_DROP_REASON_KEY to "mapping_failed"),
           ),
           mapOf("entry" to NormalizedSentryBackStackEntry.UNKNOWN_ENTRY_NAME),
           mapOf("entry" to "/home"),
@@ -732,7 +732,7 @@ class BackStackObserverTest {
           mapOf("entry" to "/settings"),
           mapOf(
             "entry" to NormalizedSentryBackStackEntry.UNKNOWN_ENTRY_NAME,
-            "arguments" to mapOf(ARGUMENT_DROP_REASON_KEY to "mapping_failed"),
+            "entry_arguments" to mapOf(ARGUMENT_DROP_REASON_KEY to "mapping_failed"),
           ),
           mapOf("entry" to NormalizedSentryBackStackEntry.UNKNOWN_ENTRY_NAME),
           mapOf("entry" to "/home"),

sentry-android-navigation3/src/test/kotlin/io/sentry/compose/navigation3/SentryNavEffectTest.kt

@@ -440,7 +440,7 @@ class SentryNavEffectTest {
     assertThat(fixture.scope.navigationBackStack())
       .isEqualTo(
         listOf(
-          mapOf("entry" to "/ProfileRoute", "arguments" to mapOf("userId" to "123")),
+          mapOf("entry" to "/ProfileRoute", "entry_arguments" to mapOf("userId" to "123")),
           mapOf("entry" to "/HomeRoute"),
         )
       )