diff --git a/app/src/test/java/com/m57/hermescontrol/ui/chat/SlashCommandDispatchRpcTest.kt b/app/src/test/java/com/m57/hermescontrol/ui/chat/SlashCommandDispatchRpcTest.kt
index 2b28ef68..60cb31a2 100644
--- a/app/src/test/java/com/m57/hermescontrol/ui/chat/SlashCommandDispatchRpcTest.kt
+++ b/app/src/test/java/com/m57/hermescontrol/ui/chat/SlashCommandDispatchRpcTest.kt
@@ -3,6 +3,8 @@ package com.m57.hermescontrol.ui.chat
 import android.app.Application
 import com.m57.hermescontrol.data.local.AuthManager
 import com.m57.hermescontrol.data.local.HermesDatabase
+import com.m57.hermescontrol.data.model.PaginationInfo
+import com.m57.hermescontrol.data.model.SessionMessagesResponse
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.session.ProfileSwitchCoordinator
 import com.m57.hermescontrol.data.ws.ConnectionStatus
@@ -11,6 +13,7 @@ import com.m57.hermescontrol.data.ws.WsEvent
 import com.m57.hermescontrol.data.ws.WsMethods
 import com.m57.hermescontrol.ui.chat.fakes.FakeChatPersistenceRepository
 import com.m57.hermescontrol.ui.chat.fakes.FakeSlashUsageStore
+import io.mockk.coEvery
 import io.mockk.every
 import io.mockk.mockk
 import io.mockk.mockkObject
@@ -742,6 +745,15 @@ class SlashCommandDispatchRpcTest {
                 arg<((String) -> Unit)?>(2)?.invoke(id)
                 id
             }
+            coEvery {
+                ApiClient.hermesApi.getSessionMessages("session-xyz", any(), any(), any(), any())
+            } returns
+                retrofit2.Response.success(
+                    SessionMessagesResponse(
+                        messages = emptyList(),
+                        pagination = PaginationInfo(order = "latest"),
+                    ),
+                )
 
             vm.sendMessage("/init")
             advanceUntilIdle()
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 892f140f..190d0cc2 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -14,7 +14,7 @@ coroutines = "1.11.0"
 junit = "4.13.2"
 junit5 = "6.1.3"
 junitPlatform = "6.1.3"
-kotlin = "2.4.10"
+kotlin = "2.4.20"
 # standalone per KSP 2.0+ guidance — NOT kotlinVersion-kspVersion; easy
 # to miss during Kotlin upgrades since it no longer tracks the Kotlin version.
 ksp = "2.3.12"