fix: 修复3个P0遗留 — AutoRollback回退/ConfigReloaded序列化/FfiString跨allocator

src/plugins/video/mod.rs

@@ -194,7 +194,7 @@ impl Plugin for VideoPlugin {
                 self.publish_status();
             }
             Message::ConfigReloaded(config) => {
-                let processor = Arc::new(Mutex::new(VideoProcessor::new((*config).clone())?));
+                let processor = Arc::new(Mutex::new(VideoProcessor::new(config)?));
                 if let Some(old) = self.processor.replace(Arc::clone(&processor)) {
                     if let Ok(mut old) = old.lock() {
                         let _ = old.stop();