[Feature Request] Add multi-select deletion for plugins and auto-cleanup on marketplace removal

Bug Description
it is not clear how to delete an installed plugin, or delete more than one plugin at once. it is better if we can select several plugins at once, and then click d for deletion, like for installing. also, uppon delete a markplace, it doesnt delete its plugin, and u need to go, and delete its plugins manually

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 2.0.57
• Feedback ID: 07737710-d164-4da1-a977-a059e2d60753

Errors

[{"error":"Error: Request was aborted.\n    at MT.makeRequest (file:///Users/eran.mizrahi/.nvm/versions/node/v25.1.0/lib/node_modules/@anthropic-ai/claude-code/cli.js:1319:3939)\n    at process.processTicksAndRejections (node:internal/process/task_queues:103:5)","timestamp":"2025-12-04T17:51:00.152Z"}]