feat: delete tool use messages tool (#2158)

lua/avante/llm_tools/attempt_completion.lua

@@ -58,6 +58,7 @@ M.returns = {
 function M.on_render(opts)
   local lines = {}
   table.insert(lines, Line:new({ { "✓  Task Completed", Highlights.AVANTE_TASK_COMPLETED } }))
+  table.insert(lines, Line:new({ { "" } }))
   local result = opts.result or ""
   local text_lines = vim.split(result, "\n")
   for _, text_line in ipairs(text_lines) do

lua/avante/llm_tools/delete_tool_use_messages.lua

@@ -0,0 +1,62 @@
+local Base = require("avante.llm_tools.base")
+local Utils = require("avante.utils")
+
+---@class AvanteLLMTool
+local M = setmetatable({}, Base)
+
+M.name = "delete_tool_use_messages"
+
+M.description =
+  "Since many tool use messages are useless for completing subsequent tasks and may cause excessive token consumption or even prevent task completion, you need to decide whether to invoke this tool to delete the useless tool use messages."
+
+---@type AvanteLLMToolParam
+M.param = {
+  type = "table",
+  fields = {
+    {
+      name = "tool_use_id",
+      description = "The tool use id",
+      type = "string",
+    },
+  },
+  usage = {
+    tool_use_id = "The tool use id",
+  },
+}
+
+---@type AvanteLLMToolReturn[]
+M.returns = {
+  {
+    name = "success",
+    description = "True if the deletion was successful, false otherwise",
+    type = "boolean",
+  },
+  {
+    name = "error",
+    description = "Error message",
+    type = "string",
+    optional = true,
+  },
+}
+
+---@type AvanteLLMToolFunc<{ tool_use_id: string }>
+function M.func(opts)
+  local sidebar = require("avante").get()
+  if not sidebar then return false, "Avante sidebar not found" end
+  local history_messages = Utils.get_history_messages(sidebar.chat_history)
+  local the_deleted_message_uuids = {}
+  for _, msg in ipairs(history_messages) do
+    if Utils.is_tool_use_message(msg) then
+      local content = msg.message.content
+      if type(content) == "table" then
+        for _, item in ipairs(content) do
+          if item.id == opts.tool_use_id then table.insert(the_deleted_message_uuids, msg.uuid) end
+        end
+      end
+    end
+  end
+  sidebar:delete_history_messages(the_deleted_message_uuids)
+  return true, nil
+end
+
+return M

lua/avante/llm_tools/dispatch_agent.lua

@@ -107,7 +107,6 @@ When you're done, provide a clear and concise summary of what you found.]]):gsub
 
   local stream_options = {
     ask = true,
-    disable_compact_history_messages = true,
     memory = memory_content,
     code_lang = "unknown",
     provider = Providers[Config.provider],

lua/avante/llm_tools/init.lua

@@ -761,6 +761,7 @@ M._tools = {
   },
   require("avante.llm_tools.ls"),
   require("avante.llm_tools.grep"),
+  require("avante.llm_tools.delete_tool_use_messages"),
   {
     name = "read_file_toplevel_symbols",
     description = "Read the top-level symbols of a file in current project scope",