feat(fp.job): extend state with awaiting_cert + awaiting_ship

Per spec docs/superpowers/specs/2026-05-25-post-shop-cert-shipping-job-states-design.md.
Selection extension only; transitions wired in subsequent tasks.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

fusion_plating/fusion_plating_jobs/models/fp_job.py

@@ -34,6 +34,21 @@ _COLUMN_SEQUENCE = [
 class FpJob(models.Model):
     _inherit = 'fp.job'
 
+    # ===== Post-shop state extension (spec 2026-05-25) =================
+    # Two intermediate states between in_progress and done so completed
+    # jobs awaiting cert + shipping stay visible on the Shop Floor board.
+    # See docs/superpowers/specs/2026-05-25-post-shop-cert-shipping-job-states-design.md
+    state = fields.Selection(
+        selection_add=[
+            ('awaiting_cert', 'Awaiting Cert'),
+            ('awaiting_ship', 'Awaiting Ship'),
+        ],
+        ondelete={
+            'awaiting_cert': 'set default',
+            'awaiting_ship': 'set default',
+        },
+    )
+
     # ---- Tier 3 mirrors from sale.order -----------------------------
     # Related (not stored) — pure display mirrors. Values may change on
     # the SO after job confirm (e.g. customer changes carrier preference)