Verified plugin marketplace for DeepSeek Harness

Key features

• Filter one-click entries, the full catalog, or already installed plugins.
• Installing a third-party plugin executes third-party code on your machine.
• Search across repository names, package names, topics, categories, and controlled tags.
• See exactly which command the marketplace will execute before confirming.
• Install, uninstall, and reconcile the active profile without editing its manifest by hand.