Update nvim config: switch to tab indentation, update claudecode and vimade settings

Remove stylua.toml (was enforcing 2-space indent), add tab settings in options.lua,
update claudecode.nvim terminal/diff config, lower vimade fadelevel to 0.6, remove
claudecode LazyExtra in favor of custom plugin spec, and add .luarc.json.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

nvim/.luarc.json

@@ -0,0 +1,12 @@
+{
+  "runtime": {
+    "version": "LuaJIT"
+  },
+  "diagnostics": {
+    "globals": ["vim", "LazyVim", "Snacks"]
+  },
+  "workspace": {
+    "library": ["${3rd}/luv/library"],
+    "checkThirdParty": false
+  }
+}

nvim/lazyvim.json

@@ -1,6 +1,5 @@
 {
   "extras": [
-    "lazyvim.plugins.extras.ai.claudecode",
     "lazyvim.plugins.extras.coding.mini-surround",
     "lazyvim.plugins.extras.dap.core",
     "lazyvim.plugins.extras.dap.nlua",

nvim/lua/config/options.lua

@@ -1,3 +1,6 @@
 -- Options are automatically loaded before lazy.nvim startup
 -- Default options that are always set: https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/options.lua
 -- Add any additional options here
+vim.opt.tabstop = 4
+vim.opt.shiftwidth = 4
+vim.opt.softtabstop = 4

nvim/lua/plugins/claudecode.lua

@@ -4,32 +4,61 @@ return {
 		dependencies = { "folke/snacks.nvim" },
 		opts = {
 			terminal = {
-        split_width_percentage = 0.99,
+				provider = "snacks",
 				snacks_win_opts = {
 					relative = "win",
 					position = "bottom",
-          height = 0.30,
+					height = 0.3,
+					split_width_percentage = 0.99,
 				},
 			},
+			diff_opts = {
+				layout = "vertical",
+				open_in_new_tab = true,
+				keep_terminal_focus = true,
+			},
 		},
 		keys = {
-      { "<leader>a", nil, desc = "AI/Claude Code" },
+			{ "<leader>a", "", desc = "+ai", mode = { "n", "v" } },
 			{ "<leader>ac", "<cmd>ClaudeCode<cr>", desc = "Toggle Claude" },
 			{ "<leader>af", "<cmd>ClaudeCodeFocus<cr>", desc = "Focus Claude" },
 			{ "<leader>ar", "<cmd>ClaudeCode --resume<cr>", desc = "Resume Claude" },
 			{ "<leader>aC", "<cmd>ClaudeCode --continue<cr>", desc = "Continue Claude" },
-      { "<leader>am", "<cmd>ClaudeCodeSelectModel<cr>", desc = "Select Claude model" },
 			{ "<leader>ab", "<cmd>ClaudeCodeAdd %<cr>", desc = "Add current buffer" },
 			{ "<leader>as", "<cmd>ClaudeCodeSend<cr>", mode = "v", desc = "Send to Claude" },
 			{
 				"<leader>as",
 				"<cmd>ClaudeCodeTreeAdd<cr>",
 				desc = "Add file",
-        ft = { "NvimTree", "neo-tree", "oil", "minifiles", "netrw" },
+				ft = { "NvimTree", "neo-tree", "oil" },
 			},
 			-- Diff management
 			{ "<leader>aa", "<cmd>ClaudeCodeDiffAccept<cr>", desc = "Accept diff" },
 			{ "<leader>ad", "<cmd>ClaudeCodeDiffDeny<cr>", desc = "Deny diff" },
 		},
 	},
+
+	-- Disabled: unmaintained
+	{
+		"greggh/claude-code.nvim",
+		enabled = false,
+		dependencies = { "nvim-lua/plenary.nvim" },
+		opts = {
+			position = "float",
+			float_opts = {
+				relative = "win",
+				width = "80%",
+				height = "80%",
+				row = "center",
+				col = "center",
+				border = "rounded",
+			},
+		},
+		keys = {
+			{ "<leader>a", nil, desc = "AI/Claude Code" },
+			{ "<leader>ac", "<cmd>ClaudeCode<cr>", desc = "Toggle Claude" },
+			{ "<leader>ar", "<cmd>ClaudeCodeResume<cr>", desc = "Resume Claude" },
+			{ "<leader>aC", "<cmd>ClaudeCodeContinue<cr>", desc = "Continue Claude" },
+		},
+	},
 }

nvim/lua/plugins/snacks.lua

@@ -16,7 +16,6 @@ return {
           ╚══════╝   ╚═╝   ╚═╝     
   ]],
           -- stylua: ignore
-          ---@type snacks.dashboard.Item[]
           keys = {
             { icon = " ", key = "f", desc = "Find File", action = ":lua Snacks.dashboard.pick('files')" },
             { icon = " ", key = "n", desc = "New File", action = ":ene | startinsert" },

nvim/lua/plugins/vimade.lua

@@ -3,7 +3,7 @@ return {
 	event = "WinNew",
 	opts = {
 		recipe = { "minimalist", { animate = true } },
-    fadelevel = 0.8,
+		fadelevel = 0.6,
 		blocklist = {
 			claude_terminal = {
 				buf_opts = { ft = "snacks_terminal" },

nvim/stylua.toml

@@ -1,3 +0,0 @@
-indent_type = "Spaces"
-indent_width = 2
-column_width = 120