Cron Scheduler Improvements

This cluster of pull requests focuses on enhancing the reliability and performance of the cron scheduler by addressing various issues related to job execution and error handling.

10 PRs

fix cron Representative: #10829

#	Title	Author	Created	GitHub
10829	fix: prevent cron scheduler permanent death on transient startup/runtime errors rep	meaadore1221-afk	2026-02-07	View
11522	Fix #10904: Add hard timeout to lane tasks to prevent cron wedging	divol89	2026-02-07	View
12086	fix(cron): ensure timer callback fires for scheduled jobs	divol89	2026-02-08	View
12122	fix(cron): ensure timer callback fires for scheduled jobs	divol89	2026-02-08	View
12131	fix(cron): ensure timer callback fires for scheduled jobs	divol89	2026-02-08	View
14430	Cron: anti-zombie scheduler recovery and in-flight job persistence	philga7	2026-02-12	View
18191	fix(cron): prevent scheduler freeze during rapid create/delete cycles (#18121)	BinHPdev	2026-02-16	View
19541	fix: schedule nextWakeAtMs for isolated sessionTarget cron jobs	guirguispierre	2026-02-17	View
23650	fix(cron): arm maintenance timer when enabled jobs lack nextRunAtMs	taw0002	2026-02-22	View
23683	docs: RFC for standalone task scheduler with implicit heartbeat	amittell	2026-02-22	View