Jul 8 - Implement issue assignment separation

app/models/issue.py

@@ -84,6 +84,18 @@ class Issue(db.Model):
     vendor_contact = db.Column(db.String(200), nullable=True)  # phone or email
     vendor_notes   = db.Column(db.Text, nullable=True)
 
+    # ── Who handles the issue (phase35) ──────────────────────────────────
+    # internal = our staff (assigned_to); facility = the facility's own staff
+    # (facility_handler_* below); vendor = external contractor (vendor_* above).
+    # assigned_to remains the internal follow-up owner in ALL cases.
+    handler_type             = db.Column(
+        db.Enum('internal', 'facility', 'vendor'),
+        nullable=False, default='internal',
+    )
+    facility_handler_name    = db.Column(db.String(100), nullable=True)
+    facility_handler_contact = db.Column(db.String(200), nullable=True)  # phone or email
+    facility_handler_notes   = db.Column(db.Text, nullable=True)
+
     # Relationships
     # NOTE: Issue.area is provided by the backref on Area.issues (facility.py).
     # Do NOT add a second explicit db.relationship('Area') here — it conflicts
@@ -102,6 +114,17 @@ class Issue(db.Model):
         """Return True if the given user is currently following this issue."""
         return self.followers.filter_by(user_id=user.id).first() is not None
 
+    # Human-readable label for the handler category (phase35).
+    HANDLER_LABELS = {
+        'internal': 'Our Staff',
+        'facility': 'Facility Staff',
+        'vendor':   'External Vendor',
+    }
+
+    @property
+    def handler_label(self):
+        return self.HANDLER_LABELS.get(self.handler_type or 'internal', 'Our Staff')
+
     @property
     def resolved_facility(self):
         """Returns the Facility for this issue regardless of which path was used to create it.