Rule/.mdc editor not working

Describe the Bug

With 1.2 when I open the .mdc files it opens in a normal text editor with markdown, and I can’t use @ links, and the existing links shows as markdown links.

Downloaded 1.1.7, it works normally.

Steps to Reproduce

Edit .mdc files.

Expected Behavior

It should use the special editor that correctly shows and creates @ links.

Screenshots / Screen Recordings

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.2.1 (Universal)
VSCode Version: 1.99.3
Commit: 031e7e0ff1e2eda9c1a0f5df67d44053b059c5d0
Date: 2025-07-03T06:08:06.355Z
Electron: 34.5.1
Chromium: 132.0.6834.210
Node.js: 20.19.0
V8: 13.2.152.41-electron.0
OS: Darwin arm64 24.5.0

Does this stop you from using Cursor

Sometimes - I can sometimes use Cursor

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