Jul 10 - Update codes to catch up with the single tenant project

app/models/issue.py

@@ -84,6 +84,20 @@ class Issue(db.Model):
     vendor_contact = db.Column(db.String(200), nullable=True)  # phone or email
     vendor_notes   = db.Column(db.Text, nullable=True)
 
+    # Handler type — who is responsible for resolving the issue (phase39).
+    # NULL and 'internal' both mean janitorial staff (the default); 'facility'
+    # unlocks the facility_handler_* sub-fields; 'vendor' points to vendor_*.
+    handler_type             = db.Column(db.Enum('internal', 'facility', 'vendor'), nullable=True)
+    facility_handler_name    = db.Column(db.String(100), nullable=True)
+    facility_handler_contact = db.Column(db.String(200), nullable=True)
+    facility_handler_notes   = db.Column(db.Text, nullable=True)
+
+    HANDLER_LABELS = {
+        'internal': 'Janitorial Staff',
+        'facility': 'Facility Staff',
+        'vendor':   'External Vendor',
+    }
+
     # 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