fix(snacks): invalid window when :ClaudeCodeFocus (#64)

Author: qw457812

lua/claudecode/terminal/snacks.lua

@@ -167,11 +167,11 @@ function M.simple_toggle(cmd_string, env_table, config)
   local logger = require("claudecode.logger")
 
   -- Check if terminal exists and is visible
-  if terminal and terminal:buf_valid() and terminal.win then
+  if terminal and terminal:buf_valid() and terminal:win_valid() then
     -- Terminal is visible, hide it
     logger.debug("terminal", "Simple toggle: hiding visible terminal")
     terminal:toggle()
-  elseif terminal and terminal:buf_valid() and not terminal.win then
+  elseif terminal and terminal:buf_valid() and not terminal:win_valid() then
     -- Terminal exists but not visible, show it
     logger.debug("terminal", "Simple toggle: showing hidden terminal")
     terminal:toggle()
@@ -195,11 +195,11 @@ function M.focus_toggle(cmd_string, env_table, config)
   local logger = require("claudecode.logger")
 
   -- Terminal exists, is valid, but not visible
-  if terminal and terminal:buf_valid() and not terminal.win then
+  if terminal and terminal:buf_valid() and not terminal:win_valid() then
     logger.debug("terminal", "Focus toggle: showing hidden terminal")
     terminal:toggle()
   -- Terminal exists, is valid, and is visible
-  elseif terminal and terminal:buf_valid() and terminal.win then
+  elseif terminal and terminal:buf_valid() and terminal:win_valid() then
     local claude_term_neovim_win_id = terminal.win
     local current_neovim_win_id = vim.api.nvim_get_current_win()