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feat(web): state the run state on the terminal card's prompt line

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The terminal card showed no run state: a running command and a settled
command that produced no output rendered the same prompt line, so whether
a command was still running had to be inferred from the absence of output.

Lead the prompt line with a StateDot in three of its states — the spinning
ring while running, red for the same exit status that renders the status
pill, green for a clean settle. That is the same indicator a tool row's
leading icon carries, so a row and its own card cannot disagree about one
command; the row/card agreement is pinned in the ui-conversation spec.
StateDot is aria-hidden, so a visually hidden text label rides beside it,
which is what the refreshed aria goldens now record.

The e2e adds what jsdom cannot compute: the dot's color resolves to the
green success token through the real theme stylesheet, and the dot precedes
the prompt label in document order.
This commit is contained in:
Chinesezjc
2026-07-28 16:41:04 +08:00
parent 540cb59585
commit f4c243c75f
18 changed files with 184 additions and 27 deletions
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packages/client/ui-primitives/README.md
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@@ -10,7 +10,7 @@ Pure React atoms (zero cordis): StateDot, ic_ds_* icons, Button/Pill/Menu/Modal/
## Terminal output
`TerminalBlock` renders a shell command as a terminal surface: a prompt line (shortened `cwd` label plus the command), the command's output, a status pill for a non-zero exit code or a terminating signal, and a copy control that writes the raw `output` prop. ANSI escape sequences are parsed with the `anser` runtime dependency into React spans; basic-16 foreground colors map onto `--dsw-*` tokens, while 256-palette and truecolor values pass through as literal rgb. Output keeps `white-space: pre` with horizontal scrolling, so column-aligned output holds its alignment instead of soft-wrapping, and collapses to a head slice plus a tail slice past `maxLines` (default 16, the TUI transcript's split arithmetic) behind an expand button. Rationale: [the web terminal card note](../../../.agents/notes/implemented/feature/2026-07-28-web-terminal-card.md).
`TerminalBlock` renders a shell command as a terminal surface: a prompt line (a run-state `StateDot` ahead of the shortened `cwd` label, then the command), the command's output, a status pill for a non-zero exit code or a terminating signal, and a copy control that writes the raw `output` prop. The dot reaches three of `StateDot`'s states — the spinning ring while `running`, red for the same exit status that renders the pill, green otherwise — so a card states whether its command is still running rather than leaving that to be inferred from the presence of output; it carries a visually hidden text label because `StateDot` is `aria-hidden`. ANSI escape sequences are parsed with the `anser` runtime dependency into React spans; basic-16 foreground colors map onto `--dsw-*` tokens, while 256-palette and truecolor values pass through as literal rgb. Output keeps `white-space: pre` with horizontal scrolling, so column-aligned output holds its alignment instead of soft-wrapping, and collapses to a head slice plus a tail slice past `maxLines` (default 16, the TUI transcript's split arithmetic) behind an expand button. Rationale: [the web terminal card note](../../../.agents/notes/implemented/feature/2026-07-28-web-terminal-card.md).
## Model Experience