fix: memory screen reset actions serialization error (fixes #1020)

app/src/main/java/com/m57/hermescontrol/data/model/MemoryResponse.kt

@@ -13,3 +13,14 @@ data class BuiltinFileSizes(
     val memory: Long? = null,
     val user: Long? = null,
 )
+
+@Serializable
+data class MemoryResetRequest(
+    val target: String = "all",
+)
+
+@Serializable
+data class MemoryResetResponse(
+    val ok: Boolean = false,
+    val deleted: List<String> = emptyList(),
+)

app/src/main/java/com/m57/hermescontrol/data/remote/HermesApiService.kt

@@ -851,8 +851,8 @@ interface HermesApiService {
 
     @POST("api/memory/reset")
     suspend fun resetMemory(
-        @Body body: Map<String, String>,
-    ): Response<Map<String, Any>>
+        @Body body: MemoryResetRequest,
+    ): Response<MemoryResetResponse>
 
     // ── Admin: Credential pool ────────────────────────────────────────
     @GET("api/credentials/pool")

app/src/main/java/com/m57/hermescontrol/ui/memory/MemoryViewModel.kt

@@ -3,6 +3,7 @@ package com.m57.hermescontrol.ui.memory
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import com.m57.hermescontrol.data.model.LearningGraphResponse
+import com.m57.hermescontrol.data.model.MemoryResetRequest
 import com.m57.hermescontrol.data.model.MemoryResponse
 import com.m57.hermescontrol.data.remote.ApiClient
 import com.m57.hermescontrol.data.remote.NetworkResult
@@ -67,7 +68,7 @@ class MemoryViewModel : ViewModel(), ToastHost {
         if (_uiState.value.resetting != null) return
         _uiState.update { it.copy(resetting = target) }
         viewModelScope.launch {
-            val result = safeApiCall { ApiClient.hermesApi.resetMemory(mapOf("target" to target)) }
+            val result = safeApiCall { ApiClient.hermesApi.resetMemory(MemoryResetRequest(target = target)) }
             when (result) {
                 is NetworkResult.Success ->
                     _uiState.update {