chore(llm): cut-back support (#159)

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

README.md

@@ -99,7 +99,7 @@ _See [config.lua#L9](./lua/avante/config.lua) for the full config_
 
 ```lua
 {
-  ---@alias Provider "openai" | "claude" | "azure" | "deepseek" | "groq" | "copilot" | [string]
+  ---@alias Provider "openai" | "claude" | "azure"  | "copilot" | [string]
   provider = "claude",
   claude = {
     endpoint = "https://api.anthropic.com",
@@ -155,6 +155,11 @@ _See [config.lua#L9](./lua/avante/config.lua) for the full config_
 
 Given its early stage, `avante.nvim` currently supports the following basic functionalities:
 
+> [!IMPORTANT]
+>
+> Avante will only support OpenAI (and its variants including copilot and azure), and Claude out-of-the-box due to its high code quality generation.
+> For all OpenAI-compatible providers, see [wiki](https://github.com/yetone/avante.nvim/wiki) for more details.
+
 > [!IMPORTANT]
 >
 > For most consistency between neovim session, it is recommended to set the environment variables in your shell file.
@@ -177,18 +182,6 @@ Given its early stage, `avante.nvim` currently supports the following basic func
 > ```sh
 > export AZURE_OPENAI_API_KEY=your-api-key
 > ```
->
-> For DeepSeek
->
-> ```sh
-> export DEEPSEEK_API_KEY=you-api-key
-> ```
->
-> For Groq
->
-> ```sh
-> export GROQ_API_KEY=you-api-key
-> ```
 
 1. Open a code file in Neovim.
 2. Use the `:AvanteAsk` command to query the AI about the code.

lua/avante/config.lua

@@ -7,9 +7,9 @@ local M = {}
 ---@class avante.Config
 M.defaults = {
   debug = false,
-  ---Currently, default supported providers include "claude", "openai", "azure", "deepseek", "groq", "gemini"
+  ---Currently, default supported providers include "claude", "openai", "azure", "gemini"
   ---For custom provider, see README.md
-  ---@alias Provider "openai" | "claude" | "azure" | "deepseek" | "groq" | "copilot" | "gemini" | string
+  ---@alias Provider "openai" | "claude" | "azure" | "copilot" | "gemini" | string
   provider = "claude",
   ---@type AvanteSupportedProvider
   openai = {
@@ -27,7 +27,7 @@ M.defaults = {
     allow_insecure = false, -- Allow insecure server connections
     timeout = 30000, -- Timeout in milliseconds
     temperature = 0,
-    max_tokens = 8192,
+    max_tokens = 4096,
   },
   ---@type AvanteAzureProvider
   azure = {
@@ -46,22 +46,6 @@ M.defaults = {
     temperature = 0,
     max_tokens = 4096,
   },
-  ---@type AvanteSupportedProvider
-  deepseek = {
-    endpoint = "https://api.deepseek.com",
-    model = "deepseek-coder",
-    temperature = 0,
-    max_tokens = 4096,
-    ["local"] = false,
-  },
-  ---@type AvanteSupportedProvider
-  groq = {
-    endpoint = "https://api.groq.com",
-    model = "llama-3.1-70b-versatile",
-    temperature = 0,
-    max_tokens = 4096,
-    ["local"] = false,
-  },
   ---@type AvanteGeminiProvider
   gemini = {
     endpoint = "https://generativelanguage.googleapis.com/v1beta/models",

lua/avante/providers/deepseek.lua

@@ -1,41 +0,0 @@
-local Utils = require("avante.utils")
-local Config = require("avante.config")
-local P = require("avante.providers")
-local O = require("avante.providers").openai
-
----@class AvanteProviderFunctor
-local M = {}
-
-M.api_key_name = "DEEPSEEK_API_KEY"
-
-M.has = function()
-  return os.getenv(M.api_key_name) and true or false
-end
-
-M.parse_message = O.parse_message
-M.parse_response = O.parse_response
-
-M.parse_curl_args = function(provider, code_opts)
-  local base, body_opts = P.parse_config(provider)
-
-  local headers = {
-    ["Content-Type"] = "application/json",
-  }
-  if not P.env.is_local("deepseek") then
-    headers["Authorization"] = "Bearer " .. os.getenv(base.api_key_name or M.api_key_name)
-  end
-
-  return {
-    url = Utils.trim(base.endpoint, { suffix = "/" }) .. "/chat/completions",
-    proxy = base.proxy,
-    insecure = base.allow_insecure,
-    headers = headers,
-    body = vim.tbl_deep_extend("force", {
-      model = base.model,
-      messages = M.parse_message(code_opts),
-      stream = true,
-    }, body_opts),
-  }
-end
-
-return M

lua/avante/providers/groq.lua

@@ -1,41 +0,0 @@
-local Utils = require("avante.utils")
-local Config = require("avante.config")
-local P = require("avante.providers")
-local O = require("avante.providers").openai
-
----@class AvanteProviderFunctor
-local M = {}
-
-M.api_key_name = "GROQ_API_KEY"
-
-M.has = function()
-  return os.getenv(M.api_key_name) and true or false
-end
-
-M.parse_message = O.parse_message
-M.parse_response = O.parse_response
-
-M.parse_curl_args = function(provider, code_opts)
-  local base, body_opts = P.parse_config(provider)
-
-  local headers = {
-    ["Content-Type"] = "application/json",
-  }
-  if not P.env.is_local("groq") then
-    headers["Authorization"] = "Bearer " .. os.getenv(base.api_key_name or M.api_key_name)
-  end
-
-  return {
-    url = Utils.trim(base.endpoint, { suffix = "/" }) .. "/openai/v1/chat/completions",
-    proxy = base.proxy,
-    insecure = base.allow_insecure,
-    headers = headers,
-    body = vim.tbl_deep_extend("force", {
-      model = base.model,
-      messages = M.parse_message(code_opts),
-      stream = true,
-    }, body_opts),
-  }
-end
-
-return M

lua/avante/providers/init.lua

@@ -88,9 +88,7 @@ local Dressing = require("avante.ui.dressing")
 ---@field copilot AvanteProviderFunctor
 ---@field claude AvanteProviderFunctor
 ---@field azure AvanteProviderFunctor
----@field deepseek AvanteProviderFunctor
 ---@field gemini AvanteProviderFunctor
----@field groq AvanteProviderFunctor
 local M = {}
 
 setmetatable(M, {
@@ -224,7 +222,7 @@ function M.refresh(provider)
   require("avante.config").override({ provider = provider })
 end
 
-local default_providers = { "openai", "claude", "azure", "deepseek", "groq", "gemini", "copilot" }
+local default_providers = { "openai", "claude", "azure", "gemini", "copilot" }
 
 ---@private
 M.commands = function()