feat: add fugitive, toggleterm, trouble plugins; configure oil

- Add vim-fugitive, toggleterm, trouble.nvim lazy specs
- Configure oil.nvim with hidden file toggle, sort, and float keymap
- Add treesitter install callback for per-lang notifications
- Enable arrow-key training keymaps

Co-Authored-By: Claude Sonnet 4 <noreply@anthropic.com>

init.lua

@@ -214,10 +214,10 @@ do
   vim.keymap.set('t', '<Esc><Esc>', '<C-\\><C-n>', { desc = 'Exit terminal mode' })
 
   -- TIP: Disable arrow keys in normal mode
-  -- vim.keymap.set('n', '<left>', '<cmd>echo "Use h to move!!"<CR>')
-  -- vim.keymap.set('n', '<right>', '<cmd>echo "Use l to move!!"<CR>')
-  -- vim.keymap.set('n', '<up>', '<cmd>echo "Use k to move!!"<CR>')
-  -- vim.keymap.set('n', '<down>', '<cmd>echo "Use j to move!!"<CR>')
+  vim.keymap.set('n', '<left>', '<cmd>echo "Use h to move!!"<CR>')
+  vim.keymap.set('n', '<right>', '<cmd>echo "Use l to move!!"<CR>')
+  vim.keymap.set('n', '<up>', '<cmd>echo "Use k to move!!"<CR>')
+  vim.keymap.set('n', '<down>', '<cmd>echo "Use j to move!!"<CR>')
 
   -- Keybinds to make split navigation easier.
   --  Use CTRL+<hjkl> to switch between windows
@@ -574,7 +574,13 @@ require('lazy').setup({
       build = ':TSUpdate',
       config = function()
         local parsers = { 'bash', 'c', 'diff', 'html', 'lua', 'luadoc', 'markdown', 'markdown_inline', 'python', 'query', 'sql', 'vim', 'vimdoc' }
-        require('nvim-treesitter').install(parsers)
+        require('nvim-treesitter').install(parsers, function(lang, success)
+          if success then
+            vim.notify('treesitter: installed ' .. lang, vim.log.levels.INFO)
+          else
+            vim.notify('treesitter: failed to install ' .. lang, vim.log.levels.WARN)
+          end
+        end)
 
         ---@param buf integer
         ---@param language string
@@ -628,5 +634,9 @@ require('lazy').setup({
   checker = { enabled = false },
 })
 
+    -- Open Oil in a floating window
+    vim.keymap.set("n", "<leader>of", "<CMD>Oil --float<CR>", { desc = "Open Oil float" })
+
+
 -- The line beneath this is called `modeline`. See `:help modeline`
 -- vim: ts=2 sts=2 sw=2 et

lazy-lock.json

@@ -30,6 +30,7 @@
   "telescope.nvim": { "branch": "master", "commit": "7d324792b7943e4aa16ad007212e6acc6f9fe335" },
   "todo-comments.nvim": { "branch": "main", "commit": "31e3c38ce9b29781e4422fc0322eb0a21f4e8668" },
   "tokyonight.nvim": { "branch": "main", "commit": "cdc07ac78467a233fd62c493de29a17e0cf2b2b6" },
+  "trouble.nvim": { "branch": "main", "commit": "bd67efe408d4816e25e8491cc5ad4088e708a69a" },
   "wezterm.nvim": { "branch": "main", "commit": "032c33b621b96cc7228955b4352b48141c482098" },
   "which-key.nvim": { "branch": "main", "commit": "3aab2147e74890957785941f0c1ad87d0a44c15a" }
 }

lua/custom/plugins/fugitive.lua

@@ -0,0 +1,3 @@
+return {
+  "tpope/vim-fugitive",
+}

lua/custom/plugins/oil.lua

@@ -3,6 +3,30 @@ return {
   dependencies = { 'nvim-mini/mini.nvim' },
   config = function()
     require('mini.icons').setup()
-    require('oil').setup()
+    require('oil').setup {
+      view_options = {
+        show_hidden = false,
+        is_hidden_file = function(name, bufnr)
+          return vim.startswith(name, '.')
+        end,
+        is_always_hidden = function(name, bufnr)
+          return false
+        end,
+        natural_order = false,
+        sort = {
+          { 'type', 'asc' },
+          { 'name', 'asc' },
+        },
+      },
+      keymaps = {
+        ['<leader>th'] = {
+          callback = function()
+            require('oil').toggle_hidden()
+          end,
+          desc = 'Toggle hidden files',
+          mode = 'n',
+        },
+      },
+    }
   end,
 }

lua/custom/plugins/toggle-term.lua

@@ -0,0 +1 @@
+return {'akinsho/toggleterm.nvim', version = "*", config = true}

lua/custom/plugins/trouble.lua

@@ -0,0 +1,37 @@
+return {
+  "folke/trouble.nvim",
+  opts = {}, -- for default options, refer to the configuration section for custom setup.
+  cmd = "Trouble",
+  keys = {
+    {
+      "<leader>xx",
+      "<cmd>Trouble diagnostics toggle<cr>",
+      desc = "Diagnostics (Trouble)",
+    },
+    {
+      "<leader>xX",
+      "<cmd>Trouble diagnostics toggle filter.buf=0<cr>",
+      desc = "Buffer Diagnostics (Trouble)",
+    },
+    {
+      "<leader>cs",
+      "<cmd>Trouble symbols toggle focus=false<cr>",
+      desc = "Symbols (Trouble)",
+    },
+    {
+      "<leader>cl",
+      "<cmd>Trouble lsp toggle focus=false win.position=right<cr>",
+      desc = "LSP Definitions / references / ... (Trouble)",
+    },
+    {
+      "<leader>xL",
+      "<cmd>Trouble loclist toggle<cr>",
+      desc = "Location List (Trouble)",
+    },
+    {
+      "<leader>xQ",
+      "<cmd>Trouble qflist toggle<cr>",
+      desc = "Quickfix List (Trouble)",
+    },
+  },
+}