fix(plating): Sub 3 \u2014 move part_catalog_id/cloned_from_id/treatment_uom to configurator inherit (core can't reference fp.part.catalog)

fusion_plating/fusion_plating/models/fp_process_node.py

@@ -201,36 +201,11 @@ class FpProcessNode(models.Model):
 
     # ---- Part ownership & provenance (Sub 3) --------------------------------
 
-    # Sub 3 — part ownership. NULL on shared templates (admin-managed);
-    # populated on every node in a part's cloned tree.
-    part_catalog_id = fields.Many2one(
-        'fp.part.catalog',
-        string='Part',
-        ondelete='cascade',
-        index=True,
-        help='Populated on nodes that belong to a specific part\'s '
-             'composed process tree. NULL on shared templates.',
-    )
-    # Sub 3 — source-template reference on cloned nodes. Enables
-    # future "template drifted" indicators. Optional, not load-bearing.
-    cloned_from_id = fields.Many2one(
-        'fusion.plating.process.node',
-        string='Cloned From',
-        ondelete='set null',
-        help='On a part-cloned node, points back at the source template '
-             'node it was copied from.',
-    )
-    # Sub 3 — per-node treatment UoM for pricing / cost tracking.
-    treatment_uom = fields.Selection(
-        [
-            ('lbs',   'Lbs (weight-based)'),
-            ('sq_in', 'Sq in (area-based)'),
-        ],
-        string='Treatment UoM',
-        help='How this process step is measured for costing / pricing. '
-             'Picks which physical property of the part to multiply by '
-             'the per-unit rate: weight (Lbs) or surface area (Sq in).',
-    )
+    # Sub 3 fields (part_catalog_id, cloned_from_id, treatment_uom) are
+    # declared as an inherit in fusion_plating_configurator — they need
+    # to reference fp.part.catalog, which lives in configurator (a child
+    # module). Adding them here would create a circular dependency.
+    # See fusion_plating_configurator/models/fp_process_node_inherit.py.
 
     # ---- Recipe-only fields (apply when node_type='recipe') -----------------
     # These migrate Steelhead's recipe-level metadata: lead time, the