fusion.plating.delivery already had packing_list_attachment_id + a viewer
action, but nothing populated it — shipping a local delivery produced no
packing slip. Add _fp_generate_packing_slip(): renders
fusion_plating_reports.action_report_fp_packing_slip_portrait and stores
it on packing_list_attachment_id. Hooked into action_start_route (the
dispatch / loaded-on-vehicle moment, so it travels with the goods) and as
a generate-if-missing catch-all on action_mark_delivered. Idempotent
(skips deliveries that already have one unless force=True) and best-effort
(a report glitch logs + continues, never blocks shipping). Report action
resolved at runtime so logistics keeps no hard dep on
fusion_plating_reports. Deployed + verified on entech (12.8KB PDF for
DLV-30097, rolled back).
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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