refactor(lua): migrate claude keybindings to plugin config

lua/plugins/claude.lua

@@ -7,8 +7,15 @@ return {
   "coder/claudecode.nvim",
   dependencies = { "folke/snacks.nvim" },
   config = true,
-  -- Filetype-specific keybindings (kept here since they require ft detection)
   keys = {
+    { "<C-a><C-a>", "<cmd>ClaudeCode<cr>", desc = "Toggle Claude" },
+    { "<C-a>f", "<cmd>ClaudeCodeFocus<cr>", desc = "Focus Claude" },
+    { "<C-a>C", "<cmd>ClaudeCode --resume<cr>", desc = "Resume Claude" },
+    { "<C-a>c", "<cmd>ClaudeCode --continue<cr>", desc = "Continue Claude" },
+    { "<C-a>m", "<cmd>ClaudeCodeSelectModel<cr>", desc = "Select Claude model" },
+    { "<C-a>b", "<cmd>ClaudeCodeAdd %<cr>", desc = "Add current buffer" },
+    { "<C-a>y", "<cmd>ClaudeCodeDiffAccept<cr>", desc = "Accept diff" },
+    { "<C-a>n", "<cmd>ClaudeCodeDiffDeny<cr>", desc = "Deny diff" },
     {
       "<C-a>",
       "<cmd>ClaudeCodeTreeAdd<cr>",