added illuminate and some fixes

lua/plugins/illuminate.lua

@@ -0,0 +1,35 @@
+---@diagnostic disable: undefined-global
+return {
+  'RRethy/vim-illuminate',
+  event = { "BufReadPost", "BufNewFile" },
+  opts = {
+    delay = 200,
+    large_file_cutoff = 2000,
+    large_file_overrides = {
+      providers = { "lsp" }
+    },
+    providers = {
+      'lsp',
+      'treesitter',
+      'regex',
+    },
+    min_count_to_highlight = 2, -- minimum number of matches required to perform highlighting
+  },
+  config = function(_, opts)
+    require('illuminate').configure(opts)
+    
+    -- Set highlight style (using colors that match with gruvbox theme)
+    vim.api.nvim_set_hl(0, 'IlluminatedWordText', { bg = '#3c3836', bold = true })
+    vim.api.nvim_set_hl(0, 'IlluminatedWordRead', { bg = '#3c3836', bold = true })
+    vim.api.nvim_set_hl(0, 'IlluminatedWordWrite', { bg = '#3c3836', bold = true })
+    
+    -- Map keys to navigate between highlighted words
+    vim.keymap.set('n', '<leader>hn', function()
+      require('illuminate').goto_next_reference()
+    end, { desc = 'Go to next reference' })
+    
+    vim.keymap.set('n', '<leader>hp', function()
+      require('illuminate').goto_prev_reference()
+    end, { desc = 'Go to previous reference' })
+  end,
+}

lua/plugins/lsp/overrides.lua

@@ -0,0 +1,45 @@
+---@diagnostic disable: undefined-global
+-- Override internal LSP functions to ensure position_encoding is always set
+
+local M = {}
+
+function M.setup()
+  -- Create a wrapper that ensures position_encoding is added to all calls
+  local function with_encoding(fn)
+    return function(params, ...)
+      params = params or {}
+      if not params.position_encoding then
+        params.position_encoding = 'utf-16'
+      end
+      return fn(params, ...)
+    end
+  end
+
+  -- Override standard LSP buffer functions that may be missing position_encoding
+  vim.lsp.buf.code_action = with_encoding(vim.lsp.buf.code_action)
+  vim.lsp.buf.rename = with_encoding(vim.lsp.buf.rename)
+  vim.lsp.buf.hover = with_encoding(vim.lsp.buf.hover)
+  vim.lsp.buf.formatting = with_encoding(vim.lsp.buf.formatting)
+  vim.lsp.buf.range_formatting = with_encoding(vim.lsp.buf.range_formatting)
+  vim.lsp.buf.format = with_encoding(vim.lsp.buf.format)
+  
+  -- Patch util functions as well
+  local orig_make_position_params = vim.lsp.util.make_position_params
+  vim.lsp.util.make_position_params = function(window, client, position_encoding)
+    if not position_encoding then 
+      position_encoding = 'utf-16'
+    end
+    return orig_make_position_params(window, client, position_encoding)
+  end
+  
+  -- Override symbols_to_items to ensure position_encoding is set
+  local orig_symbols_to_items = vim.lsp.util.symbols_to_items
+  vim.lsp.util.symbols_to_items = function(symbols, bufnr, position_encoding)
+    if not position_encoding then
+      position_encoding = 'utf-16'
+    end
+    return orig_symbols_to_items(symbols, bufnr, position_encoding)
+  end
+end
+
+return M