Jul 20 - Update The Scheduled inspection's Start button on the Dashboard, only for Assignee

app/routes/scheduled_inspections.py

@@ -4,7 +4,9 @@ app/routes/scheduled_inspections.py
 Planned / recurring inspection assignments (phase36).
 
 Management (list/new/edit/delete)  : admin, director, project_manager
-Start (execute the planned inspection): the assigned inspector, or admin/director/pm
+Start (execute the planned inspection): the assigned inspector ONLY (the person
+                                        who must do it) — not managers. A manager
+                                        who needs to run it assigns it to themselves.
 Cron reminders                       : POST /run?token=DIGEST_SECRET (no login)
 
 Fulfillment (marking a schedule done and rolling recurring ones forward) happens
@@ -224,11 +226,11 @@ def start(schedule_id):
     sched = db.session.get(ScheduledInspection, schedule_id)
     if sched is None:
         abort(404)
-    if current_user.role == 'customer':
-        abort(403)
 
-    # Only the assigned inspector, or a manager, may start it.
-    if current_user.role == 'inspector' and sched.inspector_id != current_user.id:
+    # Only the assigned inspector may start it — this inspection is theirs to do.
+    # Managers (admin/director/pm) manage the schedule but do not start it for
+    # someone else; if a manager needs to do the inspection, assign it to them.
+    if not sched.inspector_id or sched.inspector_id != current_user.id:
         abort(403)
 
     if not sched.active: