What it may solve
Build and manage dsh agent modes from the settings page: start each one from the official standard / PTC / minimal / Cordis composition, toggle the plugin rows it mounts one by one, rename it, and edit its system prompt — a plain file the agent loop re-reads before every model step, so an edit applies to the running session on its next step. Rows left untouched stay byte-identical to the shipped ones, platform conditions included.
Imported third-party catalog description; not a Registry verification conclusion.