fix(portal): fallback to existing Date fields when stage Datetime is null

Records created before Task 16 (per-stage Datetime fields + write
snapshot hook) have NULL for received_at/shipped_at/etc. SQL backfill
copies received_date -> received_at; this commit adds a runtime
fallback so if any record slips through (manual edits, future
imports) the timeline still surfaces what's available.

Also render date-only ('May 16, 2026') when the timestamp has no
time component, so backfilled-from-Date records don't show the
misleading 'may 16 · 12:00a' fake time.

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

fusion_plating/fusion_plating_portal/controllers/portal.py

@@ -155,10 +155,25 @@ class FpCustomerPortal(CustomerPortal):
             else:
                 status = 'pending'
             ts = job[ts_field] if hasattr(job, ts_field) else None
+            # Belt-and-suspenders fallback to existing Date fields for records
+            # that pre-date the Datetime columns (Task 16). SQL backfill copies
+            # received_date -> received_at, but if that's bypassed somehow
+            # we still surface what data we have.
+            if not ts and status in ('done', 'active'):
+                if ts_field == 'received_at' and job.received_date:
+                    ts = job.received_date
+                elif ts_field == 'shipped_at' and job.actual_ship_date:
+                    ts = job.actual_ship_date
             time_label = ''
             if ts and status in ('done', 'active'):
-                # "Mar 14 · 8:00a" — lowercase am/pm + truncated to single letter.
+                # If the timestamp has no time component (likely backfilled
+                # from a Date field), render date-only. Otherwise render
+                # "May 14 · 8:00a" with lowercase am/pm truncated to single letter.
+                has_time = hasattr(ts, 'hour') and (ts.hour or ts.minute or getattr(ts, 'second', 0))
+                if has_time:
                     time_label = ts.strftime('%b %d · %-I:%M%p').lower().replace('am', 'a').replace('pm', 'p')
+                else:
+                    time_label = ts.strftime('%b %d, %Y')
             elif status == 'pending' and label == 'Shipped' and job.target_ship_date:
                 time_label = 'est. ' + job.target_ship_date.strftime('%b %d')
             out.append({