diff --git a/fusion_plating/fusion_plating_jobs/__manifest__.py b/fusion_plating/fusion_plating_jobs/__manifest__.py
index 6f6bde76..67c79c84 100644
--- a/fusion_plating/fusion_plating_jobs/__manifest__.py
+++ b/fusion_plating/fusion_plating_jobs/__manifest__.py
@@ -3,7 +3,7 @@
 # License OPL-1 (Odoo Proprietary License v1.0)
 {
     'name': 'Fusion Plating — Native Jobs',
-    'version': '19.0.2.0.0',
+    'version': '19.0.2.1.0',
     'category': 'Manufacturing/Plating',
     'summary': 'Native plating job model — replaces mrp.production / mrp.workorder bridge.',
     'description': """
diff --git a/fusion_plating/fusion_plating_jobs/models/fp_job.py b/fusion_plating/fusion_plating_jobs/models/fp_job.py
index 11cf3f37..b94c4c03 100644
--- a/fusion_plating/fusion_plating_jobs/models/fp_job.py
+++ b/fusion_plating/fusion_plating_jobs/models/fp_job.py
@@ -267,6 +267,11 @@ class FpJob(models.Model):
     # ------------------------------------------------------------------
     def action_confirm(self):
         result = super().action_confirm()
+        # During migration, lifecycle side-effects are skipped — the
+        # migration script directly rebinds existing portal/QC/inspection
+        # records via x_fc_job_id. See scripts/migrate_to_fp_jobs.py.
+        if self.env.context.get('fp_jobs_migration'):
+            return result
         for job in self:
             job._fp_create_portal_job()
             job._fp_create_qc_check_if_needed()
@@ -383,6 +388,8 @@ class FpJob(models.Model):
         - Auto-creates a draft fusion.plating.delivery
         - Triggers certificate auto-generation (best-effort)
         """
+        # During migration, side-effects are skipped — see action_confirm.
+        skip_side_effects = self.env.context.get('fp_jobs_migration')
         for job in self:
             if job.state == 'done':
                 continue
@@ -392,9 +399,10 @@ class FpJob(models.Model):
                 )
             job.state = 'done'
             job.date_finished = fields.Datetime.now()
-            job._fp_create_delivery()
-            job._fp_create_certificates()
-            job._fp_fire_notification('job_complete')
+            if not skip_side_effects:
+                job._fp_create_delivery()
+                job._fp_create_certificates()
+                job._fp_fire_notification('job_complete')
         return True
 
     # ------------------------------------------------------------------
diff --git a/fusion_plating/fusion_plating_jobs/scripts/migrate_to_fp_jobs.py b/fusion_plating/fusion_plating_jobs/scripts/migrate_to_fp_jobs.py
index 5d4ef5c0..dc50b716 100644
--- a/fusion_plating/fusion_plating_jobs/scripts/migrate_to_fp_jobs.py
+++ b/fusion_plating/fusion_plating_jobs/scripts/migrate_to_fp_jobs.py
@@ -391,6 +391,12 @@ def run(env):
         return None
 
     print('=== Migration starting ===')
+    # The fp_jobs_migration context flag tells fp.job.action_confirm and
+    # fp.job.button_mark_done to skip lifecycle side-effects (creating
+    # portal jobs, QC checks, racking inspections, deliveries, certs,
+    # notifications). The migration script rebinds existing records via
+    # x_fc_job_id directly — so the side-effects would create duplicates.
+    env = env(context=dict(env.context, fp_jobs_migration=True))
     MO = env['mrp.production']
     all_mos = MO.search([])
     print('Migrating %d MOs and their WOs...' % len(all_mos))