Composer depth
Attachment strip, model/agent picker, and stop button on ComposerBar.
Agent & chat · fixture-only
Attachment strip
ComposerAttachmentStrip lists files with remove affordance above the textarea.
Workshop: Composer header in /chat when users attach briefs or screenshots.
Fixture data only — behaviour matches production chrome
Model and agent pickers
ModelAgentPicker mode="agent" | "model" in composer header — StopGenerationButton while streaming.
Avoid: Separate modal for model selection mid-conversation.
Fixture data only — behaviour matches production chrome
Attachment strip
Files and images above the textarea with per-item remove affordance.
renewal-brief.pdfpipeline-screenshot.png
Composer header stubs
ModelAgentPicker for agent and model selection; StopGenerationButton while streaming.
⇧ Enter for newline · Enter to send