refactor: update binary meta plugin to use MetaPluginResponse

Co-authored-by: aider (openai/andrew/openrouter/mistralai/mistral-medium-3.1) <aider@aider.chat>

src/meta_plugin/binary.rs

@@ -82,7 +82,7 @@ impl MetaPlugin for BinaryMetaPlugin {
         true
     }
 
-    fn finalize(&mut self) -> Result<PluginResponse> {
+    fn finalize(&mut self) -> Result<MetaPluginResponse> {
         let mut metadata = Vec::new();
 
         // Save the binary detection result when finalizing, if not already saved
@@ -95,13 +95,13 @@ impl MetaPlugin for BinaryMetaPlugin {
             }
         }
 
-        Ok(PluginResponse {
+        Ok(MetaPluginResponse {
             metadata: Some(metadata),
             is_finalized: true,
         })
     }
 
-    fn update(&mut self, data: &[u8]) -> Result<PluginResponse> {
+    fn update(&mut self, data: &[u8]) -> Result<MetaPluginResponse> {
         // Calculate how much data we can still accept
         let remaining_capacity = self.max_buffer_size.saturating_sub(self.buffer.len());
         if remaining_capacity > 0 {
@@ -125,7 +125,7 @@ impl MetaPlugin for BinaryMetaPlugin {
             }
         }
 
-        Ok(PluginResponse {
+        Ok(MetaPluginResponse {
             metadata: if metadata.is_empty() { None } else { Some(metadata) },
             is_finalized: !metadata.is_empty(),
         })
@@ -135,9 +135,9 @@ impl MetaPlugin for BinaryMetaPlugin {
         self.meta_name.clone()
     }
 
-    fn initialize(&mut self, item_id: i64) -> Result<PluginResponse> {
+    fn initialize(&mut self, item_id: i64) -> Result<MetaPluginResponse> {
         self.item_id = Some(item_id);
-        Ok(PluginResponse::default())
+        Ok(MetaPluginResponse::default())
     }
     
     fn configure_options(&mut self, options: &std::collections::HashMap<String, serde_yaml::Value>) -> Result<()> {