Three new banner strings label forwarded background context shown to a subagent depending on its provenance: typed by the user, relayed from a messaging channel, or unattributed. Each banner explicitly states that the content is not an instruction to the agent.
Provenance-labeled context banners for forwarded intent
New banner text will label forwarded context to subagents by where it came from.
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
SubagentsArea: what it touches
In DevelopmentKind: in v2.1.260,
In DevelopmentSection of the release