New-thread side panel

bb 0.43.3·SDK 0.4.104·pinned e865697 (desktop-v0.43.3)

experimental Home page #2 in group Show on the zone map

Adds a plugin tab to the side panel on the new-thread screen. With this, a plugin can:

What it gives you

• Render before a thread exists, so it receives no thread id
• Host setup the person does while writing the first prompt
• Receive the project selected in the prompt box

API

Each symbol links to the pinned commit it was read at.

• PluginNewThreadPanelActionRegistration interface

Brief for agent…as a bb mentionAdd to set

The brief is Markdown, written for a coding agent: what the capability is, where it registers, every SDK symbol with a pinned permalink, the rules that bite, and what done means.