fix: filter out all dummy messages when summarize (#1989)

lua/avante/history_message.lua

@@ -5,7 +5,7 @@ local M = {}
 M.__index = M
 
 ---@param message AvanteLLMMessage
----@param opts? {is_user_submission?: boolean, visible?: boolean, displayed_content?: string, state?: avante.HistoryMessageState, uuid?: string, selected_filepaths?: string[], selected_code?: AvanteSelectedCode, just_for_display?: boolean}
+---@param opts? {is_user_submission?: boolean, visible?: boolean, displayed_content?: string, state?: avante.HistoryMessageState, uuid?: string, selected_filepaths?: string[], selected_code?: AvanteSelectedCode, just_for_display?: boolean, is_dummy?: boolean}
 ---@return avante.HistoryMessage
 function M:new(message, opts)
   opts = opts or {}
@@ -22,6 +22,7 @@ function M:new(message, opts)
   if opts.selected_filepaths ~= nil then obj.selected_filepaths = opts.selected_filepaths end
   if opts.selected_code ~= nil then obj.selected_code = opts.selected_code end
   if opts.just_for_display ~= nil then obj.just_for_display = opts.just_for_display end
+  if opts.is_dummy ~= nil then obj.is_dummy = opts.is_dummy end
   return obj
 end
 

lua/avante/llm.lua

@@ -166,6 +166,8 @@ function M.generate_prompts(opts)
               HistoryMessage:new({
                 role = "assistant",
                 content = string.format("Viewing file %s to get the latest content", path),
+              }, {
+                is_dummy = true,
               }),
               HistoryMessage:new({
                 role = "assistant",
@@ -179,6 +181,8 @@ function M.generate_prompts(opts)
                     },
                   },
                 },
+              }, {
+                is_dummy = true,
               }),
               HistoryMessage:new({
                 role = "user",
@@ -190,6 +194,8 @@ function M.generate_prompts(opts)
                     is_error = false,
                   },
                 },
+              }, {
+                is_dummy = true,
               }),
             })
           end
@@ -365,6 +371,11 @@ function M.generate_prompts(opts)
       dropped_history_messages =
         vim.list_slice(cleaned_history_messages, 1, #cleaned_history_messages - #retained_history_messages)
 
+      dropped_history_messages = vim
+        .iter(dropped_history_messages)
+        :filter(function(msg) return msg.is_dummy ~= true end)
+        :totable()
+
       -- prepend the history messages to the messages table
       vim.iter(retained_history_messages):each(function(msg) table.insert(final_history_messages, msg) end)
     end

lua/avante/types.lua

@@ -101,6 +101,7 @@ vim.g.avante_login = vim.g.avante_login
 ---@field selected_filepaths string[] | nil
 ---@field tool_use_logs string[] | nil
 ---@field just_for_display boolean | nil
+---@field is_dummy boolean | nil
 ---
 ---@class AvanteLLMToolResult
 ---@field tool_name string