Restore chat history

lua/gemini/api.lua

@@ -1,10 +1,8 @@
 local config = require("gemini.config")
 local http = require("gemini.http")
+local chat = require("gemini.chat")  -- Add chat module
 local M = {}
 
--- Store conversation history
-local conversation_history = {}
-
 local function get_api_key()
 	return vim.g.gemini_api_key or os.getenv("GEMINI_API_KEY")
 end
@@ -12,7 +10,7 @@ end
 local function create_contents(prompt, context)
 	local contents = {}
 	
-	for _, message in ipairs(conversation_history) do
+	for _, message in ipairs(chat.get_conversation_history()) do
 		table.insert(contents, {
 			role = message.role,
 			parts = {{text = message.content}}
@@ -35,7 +33,7 @@ local function create_contents(prompt, context)
 end
 
 local function store_message(role, content)
-	table.insert(conversation_history, {role = role, content = content})
+	chat.add_message(role, content)
 end
 
 local function handle_response(result, callback)
@@ -91,7 +89,7 @@ function M.get_response(prompt, context, callback)
 end
 
 function M.clear_conversation()
-	conversation_history = {}
+	chat.clear()  -- This will clear both the buffer and conversation history
 end
 
 return M