ux and editing plugins configured

lua/plugins/ufo.lua

@@ -0,0 +1,56 @@
+-- Phase 6.7: nvim-ufo for better folding with Treesitter and LSP support
+return {
+  'kevinhwang91/nvim-ufo',
+  dependencies = {
+    'kevinhwang91/promise-async',
+  },
+  event = { 'BufReadPost', 'BufNewFile' },
+  keys = {
+    { 'zR', function() require('ufo').openAllFolds() end, desc = 'Open all folds' },
+    { 'zM', function() require('ufo').closeAllFolds() end, desc = 'Close all folds' },
+    { 'zr', function() require('ufo').openFoldsExceptKinds() end, desc = 'Open folds except kinds' },
+    { 'zm', function() require('ufo').closeFoldsWith() end, desc = 'Close folds with' },
+    { 'K', function()
+      local winid = require('ufo').peekFoldedLinesUnderCursor()
+      if not winid then
+        -- Fall back to LSP hover if not on a fold
+        vim.lsp.buf.hover()
+      end
+    end, desc = 'Peek fold or LSP hover' },
+  },
+  opts = {
+    provider_selector = function(bufnr, filetype, buftype)
+      -- Use Treesitter for supported languages, LSP for others, indent as fallback
+      return { 'treesitter', 'indent' }
+    end,
+    -- Open folds when searching
+    open_fold_hl_timeout = 150,
+    close_fold_kinds_for_ft = {
+      default = { 'imports', 'comment' },
+    },
+    preview = {
+      win_config = {
+        border = { '', '─', '', '', '', '─', '', '' },
+        winhighlight = 'Normal:Folded',
+        winblend = 0,
+      },
+      mappings = {
+        scrollU = '<C-u>',
+        scrollD = '<C-d>',
+        jumpTop = '[',
+        jumpBot = ']',
+      },
+    },
+  },
+  config = function(_, opts)
+    -- Set fold settings for nvim-ufo
+    vim.o.foldcolumn = '1'      -- Show fold column
+    vim.o.foldlevel = 99        -- Open all folds by default
+    vim.o.foldlevelstart = 99   -- Open all folds when opening a file
+    vim.o.foldenable = true     -- Enable folding
+    -- Use simple characters for fold indicators
+    vim.o.fillchars = [[eob: ,fold: ,foldopen:▼,foldsep: ,foldclose:▶]]
+
+    require('ufo').setup(opts)
+  end,
+}