delete and rename files

app/src/main/java/sh/sar/isodroid/viewmodel/MainViewModel.kt

@@ -501,6 +501,40 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
         }
     }
 
+    fun renameFile(file: IsoFile, newName: String) {
+        viewModelScope.launch {
+            val oldPath = file.path
+            val newPath = "${oldPath.substringBeforeLast("/")}/$newName"
+
+            // Check if new file already exists
+            val checkResult = RootManager.executeCommand("test -f \"$newPath\" && echo exists")
+            if (checkResult.output.trim() == "exists") {
+                _uiState.update { it.copy(errorMessage = "File already exists: $newName") }
+                return@launch
+            }
+
+            val result = RootManager.executeCommand("mv \"$oldPath\" \"$newPath\"")
+            if (result.success) {
+                _uiState.update { it.copy(successMessage = "Renamed to $newName") }
+                loadFiles()
+            } else {
+                _uiState.update { it.copy(errorMessage = "Failed to rename file") }
+            }
+        }
+    }
+
+    fun deleteFile(file: IsoFile) {
+        viewModelScope.launch {
+            val result = RootManager.executeCommand("rm -f \"${file.path}\"")
+            if (result.success) {
+                _uiState.update { it.copy(successMessage = "Deleted ${file.name}") }
+                loadFiles()
+            } else {
+                _uiState.update { it.copy(errorMessage = "Failed to delete file") }
+            }
+        }
+    }
+
     fun clearError() {
         _uiState.update { it.copy(errorMessage = null) }
     }