A successful tool call now renders as a single merged card instead of a
separate call card + result card:
- ConversationCard gains a trailing header status slot (success check /
error cross, semantics-labelled) and optional labelled extra body
segments (P1 + P2 — reused by T-263's Agent card).
- conversation_view builds a reverse toolUseId→result lookup, folds a
successful result into its call card as a colorized ClideCodeBlock
(Read → file grammar, Bash → shell, else text), and suppresses the
standalone success result in _visibleItems. Errors stay a separate
prominent red card, now with a matching red header mark (note C).
- Suppression happens before grouping, so a merged success result is no
longer a separate activity-cluster step (note D).
Tests: card status-mark + segment coverage, merged-fold + language
inference + in-flight/orphan/error cases, cluster non-double-count, and a
golden for the merged card (collapsed + expanded + error).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
jpmschweitzerandClaude Opus 4.8
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