- TaskChatTab: add FNXC:TaskDetailChat prefix/date to the ephemeral
active-session comment, matching the file's comment convention.
- useModalManager: clear stale planning/subtask resume-session id (and
initial plan) when opening a fresh planning/subtask flow, so the modal
no longer reopens into a prior session.
- boardWorkflowsCache: validate cached workflow item shape (id/name/
columns) and taskWorkflowIds value types so a malformed cache entry
can't pass and later crash Board on render.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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