fix: add missing setLogLevel handler to iOS MPV plugin

ios/Runner/MpvPlayer/MpvPlayerCore.swift

@@ -236,6 +236,11 @@ class MpvPlayerCore: NSObject {
         return cstr.map { String(cString: $0) }
     }
 
+    func setLogLevel(_ level: String) {
+        guard let mpv = mpv else { return }
+        mpv_request_log_messages(mpv, level)
+    }
+
     func observeProperty(_ name: String, format: String) {
         guard mpv != nil else { return }
 

ios/Runner/MpvPlayer/MpvPlayerPlugin.swift

@@ -80,6 +80,9 @@ class MpvPlayerPlugin: NSObject, FlutterPlugin, FlutterStreamHandler, MpvPlayerD
         case "updateFrame":
             handleUpdateFrame(result: result)
 
+        case "setLogLevel":
+            handleSetLogLevel(call: call, result: result)
+
         default:
             result(FlutterMethodNotImplemented)
         }
@@ -218,6 +221,16 @@ class MpvPlayerPlugin: NSObject, FlutterPlugin, FlutterStreamHandler, MpvPlayerD
         }
     }
 
+    private func handleSetLogLevel(call: FlutterMethodCall, result: @escaping FlutterResult) {
+        guard let args = call.arguments as? [String: Any],
+              let level = args["level"] as? String else {
+            result(FlutterError(code: "INVALID_ARGS", message: "Missing 'level'", details: nil))
+            return
+        }
+        playerCore?.setLogLevel(level)
+        result(nil)
+    }
+
     // MARK: - MpvPlayerDelegate
 
     func onPropertyChange(name: String, value: Any?) {