* fix: remove documentation fences from HEARTBEAT.md template
The HEARTBEAT.md template wrapped its content in markdown code fences
and a doc heading for display purposes. Since loadTemplate() only strips
YAML front matter, these artifacts leaked into generated workspace files,
causing isHeartbeatContentEffectivelyEmpty() to consider them non-empty
and triggering unnecessary API calls.
Remove the markdown fences and doc heading so the template produces
clean content after front-matter stripping.
Closes#66284
* fix: guard against undefined event.content in cron agentTurn payload
When a cron job fires with agentTurn payload, event.content is undefined.
parseFaceTags(undefined) returned undefined, which propagated to
userContent.startsWith("/") causing a TypeError crash.
- Fix parseFaceTags and filterInternalMarkers to return "" for falsy input
instead of returning the falsy value itself
- Add null coalescing fallback at the gateway call site
- Add unit tests for undefined/null/empty string inputs
Closes#66283
* fix: address review — remove redundant guards, casts, and unrelated HEARTBEAT.md change
* fix: guard against undefined event.content in cron agentTurn payload (#66302) (thanks @xinmotlanthua)
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Co-authored-by: khanhkhanhlele <namkhanh2172@gmail.com>
Co-authored-by: sliverp <870080352@qq.com>
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