fix: Correct streaming content parameters and update deprecated macro

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/services/item_service.rs

@@ -152,7 +152,8 @@ impl ItemService {
         // Use streaming approach to handle all filtering options consistently
         let (mut reader, mime_type, is_binary) = self.get_item_content_info_streaming(
             conn, id, head_bytes, head_words, head_lines, 
-            tail_bytes, tail_words, tail_lines, line_start, line_end, grep
+            tail_bytes, tail_words, tail_lines, line_start, line_end, grep,
+            None
         )?;
         
         // Read all the filtered content into a buffer