fix(picker): allow "select" for preferred_picker

Author: cameronr

README.md

@@ -94,7 +94,7 @@ Install the plugin with your favorite package manager. See the [Configuration](#
 ```lua
 -- Default configuration with all available options
 require('opencode').setup({
-  preferred_picker = nil, -- 'telescope', 'fzf', 'mini.pick', 'snacks', if nil, it will use the best available picker. Note mini.pick does not support multiple selections
+  preferred_picker = nil, -- 'telescope', 'fzf', 'mini.pick', 'snacks', 'select', if nil, it will use the best available picker. Note mini.pick does not support multiple selections
   preferred_completion = nil, -- 'blink', 'nvim-cmp','vim_complete' if nil, it will use the best available completion
   default_global_keymaps = true, -- If false, disables all default global keymaps
   default_mode = 'build', -- 'build' or 'plan' or any custom configured. @see [OpenCode Agents](https://opencode.ai/docs/modes/)

lua/opencode/types.lua

@@ -150,7 +150,7 @@
 ---@field get_key_for_function fun(scope: 'editor'|'input_window'|'output_window', function_name: string): string|nil
 
 ---@class OpencodeConfig
----@field preferred_picker 'telescope' | 'fzf' | 'mini.pick' | 'snacks' | nil
+---@field preferred_picker 'telescope' | 'fzf' | 'mini.pick' | 'snacks' | 'select' | nil
 ---@field preferred_completion 'blink' | 'nvim-cmp' | 'vim_complete' | nil -- Preferred completion strategy for mentons and commands
 ---@field default_global_keymaps boolean
 ---@field default_mode 'build' | 'plan' | string -- Default mode

lua/opencode/ui/picker.lua

@@ -4,7 +4,11 @@ function M.get_best_picker()
   local config = require('opencode.config')
 
   local preferred_picker = config.preferred_picker
-  if preferred_picker and preferred_picker ~= '' then
+  if preferred_picker and type(preferred_picker) == 'string' and preferred_picker ~= '' then
+    if preferred_picker == 'select' then
+      return nil
+    end
+
     return preferred_picker
   end