refactor: moved close shared warning to autocmds

lua/core/autocmds.lua

@@ -10,4 +10,40 @@ vim.api.nvim_create_autocmd('TextYankPost', {
   callback = function()
     vim.hl.on_yank()
   end,
-})
+})
+
+-- Warn when trying to quit a shared tmux session
+local function is_shared_session()
+  local tmux = vim.env.TMUX
+  if not tmux or tmux == '' then
+    return false
+  end
+
+  -- Check if session name contains "-nvim-shared"
+  local handle = io.popen "tmux display-message -p '#{session_name}' 2>/dev/null"
+  if handle then
+    local session_name = handle:read('*a'):gsub('\n', '')
+    handle:close()
+    return session_name:match '%-nvim%-shared$' ~= nil
+  end
+  return false
+end
+
+-- Override quit commands for shared sessions
+vim.api.nvim_create_autocmd('VimLeavePre', {
+  group = augroup 'shared_session_warning',
+  callback = function()
+    if is_shared_session() then
+      vim.ui.input({
+        prompt = '⚠️ Are you sure you want to close a shared session? ',
+      }, function(input)
+        if not input or input:lower() ~= 'y' then
+          -- Cancel the quit
+          vim.fn.feedkeys(vim.api.nvim_replace_termcodes('<C-c>', true, false, true), 'n', false)
+          error 'Quit cancelled'
+        end
+      end)
+    end
+  end,
+})
+