Originally Task 1.4 was to add all spec §5.1 extension fields to
fp.job in core. The dependency-graph audit during implementation
revealed that 6 of those fields point to models in dependent
modules (configurator, quality, portal, logistics, bridge_mrp).
Adding them in core would invert the dependency graph.
Spec §5.1 now has a Module column. Core-safe fields stay in
fusion_plating/models/fp_job.py; cross-module fields are deferred
to their owning modules via _inherit = 'fp.job' in Phase 2.
Plan Task 1.4 narrative updated to reflect the reduced scope.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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