Update issue summaries and links when initiatives change

Initiative updates don't reach linked engineering issues, leaving tickets missing summaries and links. Keep issue summaries and links current so engineers can triage before sprint planning.

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Overview

When initiative details change, engineers can end up triaging tickets without current context, delaying fixes and planning. This flow keeps issue summaries, links, and status aligned with initiative records so engineers and release managers can triage within minutes and enter sprint planning with accurate context.