From cc518cf9bab090253b377a87346bdcdead994086 Mon Sep 17 00:00:00 2001
From: glepnir <glephunter@gmail.com>
Date: Sun, 22 Mar 2026 07:07:26 +0800
Subject: feat(lsp): support CompletionItem.labelDetails #38403

Problem: CompletionItem.labelDetails is ignored, losing
function signatures and module info in the completion menu.

Solution: Append labelDetails.detail to abbr and use
labelDetails.description for menu with fallback to item.detail.

https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#completionItemLabelDetails
---
 runtime/lua/vim/lsp/protocol.lua | 1 +
 1 file changed, 1 insertion(+)

(limited to 'runtime/lua/vim/lsp/protocol.lua')

diff --git a/runtime/lua/vim/lsp/protocol.lua b/runtime/lua/vim/lsp/protocol.lua
index 19165f6561..aa9484d10e 100644
--- a/runtime/lua/vim/lsp/protocol.lua
+++ b/runtime/lua/vim/lsp/protocol.lua
@@ -488,6 +488,7 @@ function protocol.make_client_capabilities()
           tagSupport = {
             valueSet = get_value_set(constants.CompletionTag),
           },
+          labelDetailsSupport = true,
         },
         completionItemKind = {
           valueSet = get_value_set(constants.CompletionItemKind),
-- 
cgit