Scope clarification: each per-agent card must pull that agent's full
nested run (prompt + prose/thinking/tool cards/results), correctly
attributed under parallel fan-out. Flags the resolveOwner nearest-lastAgent
fallback (conversation_view.dart:228) as a mis-routing hazard for
concurrent agents. Also pins that existing grouping is preserved: non-agent
foldables still cluster into the Activity card, intra-agent folding
(T-263/T-264/T-338) is reused not rebuilt.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
jpmschweitzerandClaude Opus 4.8
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