fix: gemini ReAct (#2132)

lua/avante/utils/init.lua

@@ -1424,6 +1424,16 @@ function M.get_tool_use_message(message, messages)
   return nil
 end
 
+---@param tool_use AvanteLLMToolUse
+function M.tool_use_to_xml(tool_use)
+  local xml = string.format("<%s>\n", tool_use.name)
+  for k, v in pairs(tool_use.input or {}) do
+    xml = xml .. string.format("<%s>%s</%s>\n", k, tostring(v), k)
+  end
+  xml = xml .. "</" .. tool_use.name .. ">"
+  return xml
+end
+
 ---@param tool_use AvanteLLMToolUse
 function M.is_replace_func_call_tool_use(tool_use)
   local is_replace_func_call = false

lua/avante/utils/prompts.lua

@@ -26,11 +26,13 @@ Tool use is formatted using XML-style tags. The tool name is enclosed in opening
 
 For example:
 
-<view>
-<path>src/main.js</path>
-</view>
+<attempt_completion>
+<result>
+I have completed the task...
+</result>
+</attempt_completion>
 
-Always adhere to this format for the tool use to ensure proper parsing and execution.
+ALWAYS ADHERE TO this format for the tool use to ensure proper parsing and execution.
 
 # Tools
 
@@ -107,22 +109,22 @@ Parameters:
 <replace_in_file>
 <path>src/components/App.tsx</path>
 <diff>
-<<<<<<< SEARCH
+------- SEARCH
 import React from 'react';
 =======
 import React, { useState } from 'react';
->>>>>>> REPLACE
++++++++ REPLACE
 
-<<<<<<< SEARCH
+------- SEARCH
 function handleSubmit() {
   saveData();
   setLoading(false);
 }
 
 =======
->>>>>>> REPLACE
++++++++ REPLACE
 
-<<<<<<< SEARCH
+------- SEARCH
 return (
   <div>
 =======
@@ -133,7 +135,7 @@ function handleSubmit() {
 
 return (
   <div>
->>>>>>> REPLACE
++++++++ REPLACE
 </diff>
 </replace_in_file>