The task card timer chip previously fell back through several metrics
(timed duration → workflow runtime → wallclock), so cards showed only a
subset of execution time. For FN-2714 this rendered <1m on the card while
the stats tab reported >2m of workflow runtime.
The chip now reports the sum of [timing]-tagged log events and workflow
step runtime (matching the new "Total execution time" metric in the stats
panel), with live elapsed for in-progress workflow steps. When neither
metric is recorded, the chip is hidden rather than falling back to
wallclock.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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