Draft prompt state & locking

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

stable The composer #4 in group Show on the zone map

Reads the draft prompt, and can block typing while the plugin works. With this, a plugin can:

What it gives you

• Read the draft prompt's text, whether it is empty, and how many files are attached
• Read the prompt box's layout and whether the thread is already running a turn
• Lock the input and release it again, so the draft prompt cannot change mid-operation
• Mark the thread row as running while the input is locked, with a thread row status

API

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

• ComposerView interface
• PluginComposerApi 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.