rename sidebar._handle_server_content to

`sidebar.handle_chat_content_received`

Author: tomgeorge

lua/eca/server.lua

@@ -211,7 +211,7 @@ function M:handle_content(method, params)
     local eca = require("eca")
     local sidebar = eca.get(false)
     if sidebar and params then
-      sidebar:_handle_server_content(params)
+      sidebar:handle_chat_content_received(params)
     end
   end
 end

lua/eca/sidebar.lua

@@ -1172,7 +1172,7 @@ function M:_send_message(message)
       -- Response will come through server notification handler
       self:_add_input_line()
 
-      self:_handle_server_content(result.params)
+      self:handle_chat_content_received(result.params)
     end)
   else
     self:_add_message("assistant", "❌ **Error**: ECA server is not running. Please check server status.")
@@ -1181,7 +1181,7 @@ function M:_send_message(message)
 end
 
 ---@param params table Server content notification
-function M:_handle_server_content(params)
+function M:handle_chat_content_received(params)
   if not params or not params.content then
     return
   end