nvim: soft-wrap prose buffers and rework lsp config

.config/nvim/lua/config/autocmds.lua

@@ -7,3 +7,35 @@ vim.api.nvim_create_autocmd("TextYankPost", {
     vim.highlight.on_yank()
   end,
 })
+
+-- Prose-friendly buffers: soft-wrap long lines instead of truncating them.
+-- markdown notes are authored as one long line per paragraph, and the global
+-- `wrap = false` in options.lua makes those lines look "capped" at the edge.
+local prose_filetypes = {
+  markdown = true,
+  text = true,
+  gitcommit = true,
+}
+
+vim.api.nvim_create_autocmd("FileType", {
+  group = group,
+  desc = "Soft-wrap prose filetypes, keep code nowrap",
+  callback = function(args)
+    local prose = prose_filetypes[args.match] == true
+
+    -- Window-local display options.
+    vim.wo.wrap = prose
+    vim.wo.linebreak = prose
+    vim.wo.breakindent = prose
+    vim.wo.spell = prose
+
+    -- Line numbers are noise when reading/writing prose.
+    vim.wo.number = not prose
+    vim.wo.relativenumber = not prose
+
+    if prose then
+      -- Never hard-wrap on insert; keep visual wrapping only.
+      vim.bo.textwidth = 0
+    end
+  end,
+})