Tool call blocks in AI Chat are now clickable and expandable to show
tool name, input parameters (pretty-printed JSON), and output/result.
Collapsed by default, keyboard accessible (Tab/Enter/Space/Esc).
Backend: Rust stream events now carry tool input (accumulated from
input_json_delta chunks) and tool output (from tool_result events).
Frontend: AiActionCard is a disclosure widget with aria-expanded,
error output shown in red, long content truncated.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
ceee8b04ea