Update job records when media deliverables are ready

Job records miss delivery links and status updates when media is submitted, leaving production and billing without context. Keep records current so coordinators and technicians can act the same day.

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Overview

When media files arrive without clear status, production and billing waste hours chasing context. This flow writes delivery links, sets deliverable flags, and timestamps first-deadline milestones so coordinators and technicians can move jobs the same day.