debug: add logging to see at-mention parameters being sent

Author: jdurand

lua/claudecode/init.lua

@@ -1031,6 +1031,13 @@ function M._broadcast_at_mention(file_path, start_line, end_line)
     lineEnd = end_line,
   }
 
+  -- Debug logging to see what's being sent
+  logger.debug("command", "Sending at_mentioned with params:")
+  logger.debug("command", "  filePath: '" .. tostring(formatted_path) .. "'")
+  logger.debug("command", "  lineStart: " .. tostring(start_line))
+  logger.debug("command", "  lineEnd: " .. tostring(end_line))
+  logger.debug("command", "  is_directory: " .. tostring(is_directory))
+
   local broadcast_success = M.state.server.broadcast("at_mentioned", params)
   if broadcast_success then
     return true, nil