[Bug] Project-scoped plugins incorrectly show as installed in other projects and wont let me see plugin details

Bug Description
When I installed a plugin at one project using project-scope, If I open claude code at another project, the /plugin going to marketplace, the markeplace plugins that are instaled at the other project shows as instal.ed, but there is nothing on the installed list. If I click to see the plugin details, it does not go to the plugins details and instead go to the discover tab.

Environment Info

• Platform: darwin
• Terminal: ghostty
• Version: 2.1.1
• Feedback ID: 86d79ee3-e298-47a8-b515-e69138ad2bea

Errors

[{"error":"SyntaxError: JSON Parse error: Property name must be a string literal\n    at <parse> (:0)\n    at parse (unknown)\n    at <anonymous> (/$bunfs/root/claude:78:708)\n    at A (/$bunfs/root/claude:11:7245)\n    at Qt7 (/$bunfs/root/claude:3024:13588)\n    at async SEB (/$bunfs/root/claude:3024:16374)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-01-08T13:06:46.907Z"}]

<img width="1998" height="1328" alt="Image" src="https://github.com/user-attachments/assets/5cbb4045-ca05-409e-8848-8e4773ade63e" />

<img width="1882" height="1324" alt="Image" src="https://github.com/user-attachments/assets/50d242b1-6759-4b25-8515-37441f60df0f" />

<img width="1766" height="1012" alt="Image" src="https://github.com/user-attachments/assets/77ea2e63-7a64-4599-abd3-8c7c2799deaf" />