From dd7c408df30880b517a839b2113d62d16e39a057 Mon Sep 17 00:00:00 2001
From: gsinghpal <gur_preet.singh@outlook.com>
Date: Wed, 22 Apr 2026 08:47:01 -0400
Subject: [PATCH] =?UTF-8?q?feat(configurator):=20Sub=203=20=E2=80=94=20fp.?=
 =?UTF-8?q?part.catalog=20gains=20default=5Fprocess=5Fid=20+=20action=5Fop?=
 =?UTF-8?q?en=5Fpart=5Fcomposer=20(Task=202)?=
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---
 .../models/fp_part_catalog.py                 | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/fusion_plating/fusion_plating_configurator/models/fp_part_catalog.py b/fusion_plating/fusion_plating_configurator/models/fp_part_catalog.py
index 96c7ae71..2af3f91a 100644
--- a/fusion_plating/fusion_plating_configurator/models/fp_part_catalog.py
+++ b/fusion_plating/fusion_plating_configurator/models/fp_part_catalog.py
@@ -151,6 +151,18 @@ class FpPartCatalog(models.Model):
              '"Inherit" reads the customer\'s default on the partner form.',
     )
 
+    # Sub 3 — part's cloned process tree. NULL until the user first
+    # composes a process. The Composer client action sets this to the
+    # root node of the cloned tree.
+    default_process_id = fields.Many2one(
+        'fusion.plating.process.node',
+        string='Default Process',
+        domain="[('part_catalog_id', '=', id), ('node_type', '=', 'recipe')]",
+        help='Root of this part\'s composed process tree. Use the '
+             'Compose button to edit. When a job runs for this part, '
+             'work orders are generated from this tree.',
+    )
+
     # ---- Direct-order defaults (Phase C — C4) ----
     x_fc_default_coating_config_id = fields.Many2one(
         'fp.coating.config',
@@ -378,6 +390,20 @@ class FpPartCatalog(models.Model):
             else:
                 rec.display_name = rec.name or _('[unnamed part]')
 
+    def action_open_part_composer(self):
+        """Launch the Process Composer client action for this part."""
+        self.ensure_one()
+        return {
+            'type': 'ir.actions.client',
+            'tag': 'fp_part_process_composer',
+            'name': 'Process Composer — %s' % (self.display_name or self.part_number),
+            'params': {
+                'part_id': self.id,
+                'part_display': self.display_name or self.part_number,
+            },
+            'target': 'current',
+        }
+
     def action_view_customer(self):
         self.ensure_one()
         return {