Refactor plugin layout, add AI autocomplete and direnv, update docs

lua/plugins/mini.lua

@@ -0,0 +1,63 @@
+-- mini.nvim - Collection of minimal, fast, and composable Lua modules
+-- Replaces: vim-surround, Comment.nvim, nvim-ts-context-commentstring
+return {
+	"echasnovski/mini.nvim",
+	event = "VeryLazy",
+	config = function()
+		-- Surround: Add/delete/replace surroundings (brackets, quotes, etc.)
+		-- Mappings: gsa (add), gsd (delete), gsr (replace), gsf (find), gsF (find_left)
+		require("mini.surround").setup({
+			mappings = {
+				add = "gsa", -- Add surrounding in Normal and Visual modes
+				delete = "gsd", -- Delete surrounding
+				replace = "gsr", -- Replace surrounding
+				find = "gsf", -- Find surrounding (to the right)
+				find_left = "gsF", -- Find surrounding (to the left)
+				highlight = "gsh", -- Highlight surrounding
+				update_n_lines = "gsn", -- Update `n_lines`
+			},
+		})
+
+		-- Comment: Smart commenting with treesitter support
+		-- gc{motion} in Normal, gc in Visual to toggle comments
+		require("mini.comment").setup({
+			-- Hooks for custom comment handling (e.g., JSX/TSX)
+			options = {
+				custom_commentstring = function()
+					-- Use treesitter commentstring if available
+					return require("ts_context_commentstring").calculate_commentstring() or vim.bo.commentstring
+				end,
+			},
+		})
+
+		-- Auto pairs: Automatically close brackets, quotes, etc.
+		require("mini.pairs").setup()
+
+		-- Enhanced text objects: Better text objects for quotes, brackets, etc.
+		-- Adds: aq/iq (quotes), ab/ib (brackets), af/if (function), etc.
+		require("mini.ai").setup()
+
+		-- Preserve <leader>/ for comment toggle (matches old Comment.nvim binding)
+		vim.keymap.set("n", "<leader>/", function()
+			return require("mini.comment").operator() .. "_"
+		end, { expr = true, desc = "Toggle comment on line" })
+
+		vim.keymap.set("x", "<leader>/", function()
+			return require("mini.comment").operator()
+		end, { expr = true, desc = "Toggle comment on selection" })
+	end,
+	dependencies = {
+		-- Keep ts-context-commentstring for JSX/TSX/embedded languages
+		{
+			"JoosepAlviste/nvim-ts-context-commentstring",
+			lazy = true,
+			init = function()
+				-- Skip backwards compatibility routines
+				vim.g.skip_ts_context_commentstring_module = true
+			end,
+			opts = {
+				enable_autocmd = false, -- mini.comment handles this
+			},
+		},
+	},
+}