Add inlay hints setting

README.md

@@ -30,7 +30,8 @@ Add to your Neovim configuration (using lazy.nvim):
         cmd = { "iwes" },
         name = "iwes",
         debounce_text_changes = 500,
-        auto_format_on_save = true
+        auto_format_on_save = true,
+        enable_inlay_hints = true
       },
       mappings = {
         enable_markdown_mappings = true,
@@ -87,7 +88,7 @@ Open any `.md` file in your IWE project and enjoy:
 | Command | Description |
 |---------|-------------|
 | `:IWE init` | Initialize IWE project in current directory |
-| `:IWE lsp start/stop/restart/status` | Control LSP server |
+| `:IWE lsp start/stop/restart/status/toggle_inlay_hints` | Control LSP server |
 | `:IWE telescope find_files/paths/roots/grep/backlinks/headers` | Launch Telescope pickers |
 | `:IWE info` | Show plugin status and configuration |
 
@@ -111,6 +112,7 @@ require('iwe').setup({
   lsp = {
     cmd = { "iwes" },
     auto_format_on_save = true,
+    enable_inlay_hints = true,
     debounce_text_changes = 500
   },
   mappings = {

lua/iwe/commands.lua

@@ -8,7 +8,7 @@ local telescope = require('iwe.telescope')
 ---Get completion for LSP commands
 ---@return string[]
 local function complete_lsp_commands()
-  return { 'start', 'stop', 'restart', 'status' }
+  return { 'start', 'stop', 'restart', 'status', 'toggle_inlay_hints' }
 end
 
 ---Get completion for Telescope commands
@@ -77,6 +77,8 @@ local function handle_lsp_command(subcmd)
     else
       vim.notify("IWE LSP server is not running")
     end
+  elseif subcmd == 'toggle_inlay_hints' then
+    lsp.toggle_inlay_hints()
   else
     vim.notify(string.format("Unknown LSP command: %s", subcmd), vim.log.levels.ERROR)
   end
@@ -125,7 +127,7 @@ local function iwe_command(opts)
 
   if subcmd == 'lsp' then
     if #args < 2 then
-      vim.notify("Usage: IWE lsp <start|stop|restart|status>", vim.log.levels.ERROR)
+      vim.notify("Usage: IWE lsp <start|stop|restart|status|toggle_inlay_hints>", vim.log.levels.ERROR)
       return
     end
     handle_lsp_command(args[2])
@@ -146,6 +148,7 @@ local function iwe_command(opts)
       string.format("  Command: %s", table.concat(config.lsp.cmd, " ")),
       string.format("  Name: %s", config.lsp.name),
       string.format("  Auto Format: %s", config.lsp.auto_format_on_save),
+      string.format("  Inlay Hints: %s", config.lsp.enable_inlay_hints),
       string.format("  Debounce: %dms", config.lsp.debounce_text_changes),
       "",
       "Mappings Configuration:",

lua/iwe/config.lua

@@ -9,6 +9,7 @@
 ---@field name string Name of the LSP server
 ---@field debounce_text_changes number Debounce time for text changes
 ---@field auto_format_on_save boolean Whether to format on save
+---@field enable_inlay_hints boolean Whether to enable inlay hints
 
 ---@class IWE.Config.Mappings
 ---@field enable_markdown_mappings boolean Whether to enable core markdown editing key mappings
@@ -30,7 +31,8 @@ M.defaults = {
     cmd = { "iwes" },
     name = "iwes",
     debounce_text_changes = 500,
-    auto_format_on_save = true
+    auto_format_on_save = true,
+    enable_inlay_hints = true
   },
   mappings = {
     enable_markdown_mappings = true,

lua/iwe/lsp.lua

@@ -9,6 +9,23 @@ function M.is_available()
   return vim.fn.executable('iwes') == 1
 end
 
+---Toggle inlay hints for the current buffer
+---@param bufnr? number Buffer number (defaults to current buffer)
+function M.toggle_inlay_hints(bufnr)
+  bufnr = bufnr or vim.api.nvim_get_current_buf()
+
+  if not vim.lsp.inlay_hint then
+    vim.notify("Inlay hints not available in this Neovim version", vim.log.levels.WARN)
+    return
+  end
+
+  local enabled = vim.lsp.inlay_hint.is_enabled({ bufnr = bufnr })
+  vim.lsp.inlay_hint.enable(not enabled, { bufnr = bufnr })
+
+  local status = enabled and "disabled" or "enabled"
+  vim.notify(string.format("Inlay hints %s", status), vim.log.levels.INFO)
+end
+
 ---Start the IWE LSP server for the current buffer
 ---@param bufnr? number Buffer number (defaults to current buffer)
 function M.start(bufnr)
@@ -50,12 +67,18 @@ function M.setup_autocmds()
   })
 
   -- Setup LSP attach behavior
-  if opts.lsp.auto_format_on_save then
-    vim.api.nvim_create_autocmd("LspAttach", {
-      group = vim.api.nvim_create_augroup("IWE_LSP_Attach", { clear = true }),
-      callback = function(args)
-        local client = vim.lsp.get_client_by_id(args.data.client_id)
-        if client and client.name == opts.lsp.name then
+  vim.api.nvim_create_autocmd("LspAttach", {
+    group = vim.api.nvim_create_augroup("IWE_LSP_Attach", { clear = true }),
+    callback = function(args)
+      local client = vim.lsp.get_client_by_id(args.data.client_id)
+      if client and client.name == opts.lsp.name then
+        -- Enable inlay hints if configured and supported
+        if opts.lsp.enable_inlay_hints and vim.lsp.inlay_hint and client.supports_method('textDocument/inlayHint') then
+          vim.lsp.inlay_hint.enable(true, { bufnr = args.buf })
+        end
+
+        -- Setup auto-formatting on save if enabled
+        if opts.lsp.auto_format_on_save then
           vim.api.nvim_create_autocmd("BufWritePre", {
             buffer = args.buf,
             callback = function()
@@ -78,10 +101,10 @@ function M.setup_autocmds()
             desc = 'Format IWE markdown on save'
           })
         end
-      end,
-      desc = 'Setup IWE LSP formatting on attach'
-    })
-  end
+      end
+    end,
+    desc = 'Setup IWE LSP features on attach'
+  })
 end
 
 return M

lua/iwe/mappings.lua

@@ -174,6 +174,13 @@ function M.setup_plug_mappings()
     silent = true,
     desc = 'Go to next diagnostic'
   })
+
+  create_plug_mapping('lsp-toggle-inlay-hints', function()
+    require('iwe.lsp').toggle_inlay_hints()
+  end, 'n', {
+    silent = true,
+    desc = 'Toggle inlay hints'
+  })
 end
 
 ---Setup markdown keymaps (only if enabled in config)