Interactive acceptance produced five presentation decisions:
- Header band order is preset → tasks → subagent catalog. The root-session
descendant count moves out of the breadcrumb (header.lineage) into the
actions band (order 30) as SubagentCatalogAction and drops its '/'
separator — a root session has no hierarchy to breadcrumb. Child
sessions keep their root/child switcher unchanged.
- The panel's copy control copies the command (TerminalBlock.copyText),
not the output: a long command ellipsizes in the row, so the control is
its only complete source, and it stays rendered before any output.
- Commands and output lines wrap in full (--dsl-terminal-command-whitespace
/ --dsl-terminal-line-whitespace: pre-wrap), so the output region never
scrolls sideways; the region caps at a fixed height and scrolls
(--dsl-terminal-output-max-height) with maxLines: Infinity disabling the
head/tail fold.
- The panel draws no run-state dot (TerminalBlock.runStateDot: false) —
the row above carries the same state — and reclaims the dot gutter via
--dsl-terminal-gutter, which must target the card element itself because
the variable is declared on it. The panel's left spine is gone with it.
All TerminalBlock changes are opt-ins (props or --dsl-terminal-* variables);
tool cards keep their shipped fold/ellipsis/dot behavior.
Yichen Jiang
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