fix?

modules/_neovim/plugins/opencode.nix

@@ -20,17 +20,154 @@ in {
 			render-markdown-nvim
 		];
 		extraConfigLua = ''
+			local opencode_markdown_conceal_query = vim.treesitter.query.parse('markdown_inline', [[
+				[
+					(emphasis_delimiter)
+					(code_span_delimiter)
+					(latex_span_delimiter)
+				] @conceal
+
+				(inline_link
+					[
+						"["
+						"]"
+						"("
+						(link_destination)
+						")"
+					] @conceal)
+
+				(full_reference_link
+					[
+						"["
+						"]"
+						(link_label)
+					] @conceal)
+
+				(collapsed_reference_link
+					[
+						"["
+						"]"
+					] @conceal)
+
+				(shortcut_link
+					[
+						"["
+						"]"
+					] @conceal)
+
+				(image
+					[
+						"!"
+						"["
+						"]"
+						"("
+						(link_destination)
+						")"
+					] @conceal)
+			]])
+
+			local function set_opencode_output_conceal()
+				if vim.bo.filetype ~= 'opencode_output' then
+					return
+				end
+
+				vim.wo.conceallevel = 3
+				vim.wo.concealcursor = 'nvic'
+			end
+
+			vim.treesitter.language.register('markdown', 'opencode_output')
+			vim.treesitter.language.register('markdown_inline', 'opencode_output')
+
+			vim.api.nvim_create_autocmd({ 'FileType', 'BufWinEnter', 'WinEnter' }, {
+				callback = set_opencode_output_conceal,
+			})
+
 			require('render-markdown').setup({
 				anti_conceal = { enabled = false },
-				file_types = { 'markdown', 'opencode_output' },
-			})
-			require('opencode').setup({
-				server = {
-					url = 'http://127.0.0.1',
-					port = 18822,
-					auto_kill = false,
+				custom_handlers = {
+					markdown_inline = {
+						extends = true,
+						parse = function(ctx)
+							local marks = {}
+
+							for _, node in opencode_markdown_conceal_query:iter_captures(ctx.root, ctx.buf) do
+								local start_row, start_col, end_row, end_col = node:range()
+								marks[#marks + 1] = {
+									conceal = true,
+									start_row = start_row,
+									start_col = start_col,
+									opts = {
+										end_row = end_row,
+										end_col = end_col,
+										conceal = "",
+									},
+								}
+							end
+
+							return marks
+						end,
+					},
+				},
+				file_types = { 'opencode_output' },
+				win_options = {
+					conceallevel = { rendered = 3 },
+					concealcursor = { rendered = "nvic" },
 				},
 			})
+				require('opencode').setup({
+					server = {
+						url = 'http://127.0.0.1',
+						port = 18822,
+						auto_kill = false,
+					},
+					ui = {
+						icons = {
+							preset = 'nerdfonts',
+						},
+						questions = {
+							use_vim_ui_select = true,
+						},
+					},
+				})
+
+				do
+					local config = require('opencode.config')
+					local formatter = require('opencode.ui.formatter')
+					local format_utils = require('opencode.ui.formatter.utils')
+					local icons = require('opencode.ui.icons')
+					local util = require('opencode.util')
+
+					formatter._format_reasoning = function(output, part)
+						local text = vim.trim(part.text or "")
+						local start_line = output:get_line_count() + 1
+
+						local title = 'Reasoning'
+						local time = part.time
+						if time and type(time) == 'table' and time.start then
+							local duration_text = util.format_duration_seconds(time.start, time['end'])
+							if duration_text then
+								title = string.format('%s %s', title, duration_text)
+							end
+						end
+
+						format_utils.format_action(output, icons.get('reasoning'), title, "")
+
+						if config.ui.output.tools.show_reasoning_output and text ~= "" then
+							output:add_empty_line()
+							output:add_lines(vim.split(text, '\n'), '  ')
+							output:add_empty_line()
+						end
+
+						local end_line = output:get_line_count()
+						if end_line - start_line > 1 then
+							formatter.add_vertical_border(output, start_line, end_line, 'OpencodeToolBorder', -1, 'OpencodeReasoningText')
+						else
+							output:add_extmark(start_line - 1, {
+								line_hl_group = 'OpencodeReasoningText',
+							})
+						end
+					end
+				end
 		'';
 	};
 }