feat: specific provider for auto-suggestions (#569)

README.md

@@ -192,6 +192,7 @@ _See [config.lua#L9](./lua/avante/config.lua) for the full config_
 {
   ---@alias Provider "claude" | "openai" | "azure" | "gemini" | "cohere" | "copilot" | string
   provider = "claude", -- Recommend using Claude
+  auto_suggestions_provider = "claude", -- Since auto-suggestions are a high-frequency operation and therefore expensive, it is recommended to specify an inexpensive provider or even a free provider: copilot
   claude = {
     endpoint = "https://api.anthropic.com",
     model = "claude-3-5-sonnet-20240620",

lua/avante/config.lua

@@ -11,6 +11,7 @@ M.defaults = {
   debug = false,
   ---@alias Provider "claude" | "openai" | "azure" | "gemini" | "cohere" | "copilot" | [string]
   provider = "claude", -- Only recommend using Claude
+  auto_suggestions_provider = "claude",
   ---@alias Tokenizer "tiktoken" | "hf"
   -- Used for counting tokens and encoding text.
   -- By default, we will use tiktoken.

lua/avante/llm.lua

@@ -33,6 +33,7 @@ local group = api.nvim_create_augroup("avante_llm", { clear = true })
 ---@field bufnr integer
 ---@field instructions string
 ---@field mode LlmMode
+---@field provider AvanteProviderFunctor | nil
 ---@field on_chunk AvanteChunkParser
 ---@field on_complete AvanteCompleteParser
 
@@ -40,7 +41,7 @@ local group = api.nvim_create_augroup("avante_llm", { clear = true })
 M.stream = function(opts)
   local mode = opts.mode or "planning"
   ---@type AvanteProviderFunctor
-  local Provider = P[Config.provider]
+  local Provider = opts.provider or P[Config.provider]
 
   -- Check if the instructions contains an image path
   local image_paths = {}

lua/avante/suggestion.lua

@@ -2,7 +2,7 @@ local Utils = require("avante.utils")
 local Llm = require("avante.llm")
 local Highlights = require("avante.highlights")
 local Config = require("avante.config")
-local Provider = require("avante.providers")
+local Providers = require("avante.providers")
 local api = vim.api
 local fn = vim.fn
 
@@ -37,7 +37,7 @@ function Suggestion:new(id)
   instance._contexts = {}
   if Config.behaviour.auto_suggestions then
     if not vim.g.avante_login or vim.g.avante_login == false then
-      api.nvim_exec_autocmds("User", { pattern = Provider.env.REQUEST_LOGIN_PATTERN })
+      api.nvim_exec_autocmds("User", { pattern = Providers.env.REQUEST_LOGIN_PATTERN })
       vim.g.avante_login = true
     end
     instance:setup_autocmds()
@@ -65,7 +65,10 @@ function Suggestion:suggest()
 
   local full_response = ""
 
+  local provider = Providers[Config.auto_suggestions_provider]
+
   Llm.stream({
+    provider = provider,
     bufnr = bufnr,
     ask = true,
     file_content = code_content,