no-mistakes(review): Guard photo cleanup; add transitions helper and assign auto-advance

app/templates/tickets/detail.html

@@ -204,21 +204,9 @@
                     <label class="block text-sm font-medium text-gray-700 mb-1">Current: <span class="font-bold" x-text="ticket.status"></span></label>
                     <select x-model="statusForm.newStatus" class="w-full px-4 py-2.5 rounded-lg border border-gray-300 focus:ring-2 focus:ring-denya-500 outline-none">
                         <option value="">Select new status</option>
-                        <option value="Logged">Logged</option>
-                        <option value="Triage">Triage</option>
-                        <option value="Assigned">Assigned</option>
-                        <option value="Accepted">Accepted</option>
-                        <option value="Travelling">Travelling</option>
-                        <option value="On Site">On Site</option>
-                        <option value="In Progress">In Progress</option>
-                        <option value="Waiting Parts">Waiting Parts</option>
-                        <option value="Escalated">Escalated</option>
-                        <option value="Completed">Completed</option>
-                        <option value="On-Field Verification">On-Field Verification</option>
-                        <option value="Wahab Review">Wahab Review</option>
-                        <option value="Closed">Closed</option>
-                        <option value="Reopened">Reopened</option>
-                        <option value="Cancelled">Cancelled</option>
+                        <template x-for="target in availableTransitions" :key="target">
+                            <option :value="target" x-text="target"></option>
+                        </template>
                     </select>
                 </div>
                 <div>
@@ -303,6 +291,7 @@
             statusForm: { newStatus: '', note: '' },
             statusSubmitting: false,
             statusError: '',
+            availableTransitions: [],
 
             // Assign form
             assignForm: { technicianId: '' },
@@ -316,6 +305,7 @@
 
             async init() {
                 await this.loadTicket();
+                await this.loadTransitions();
                 if (app().isFM || app().isAdmin) {
                     await this.loadTechnicians();
                 }
@@ -332,6 +322,16 @@
                 }
             },
 
+            async loadTransitions() {
+                try {
+                    const data = await app().apiGet(`/api/tickets/${this.ticketId}/transitions`);
+                    this.availableTransitions = (data && data.transitions) || [];
+                } catch (e) {
+                    console.error('Transitions load error', e);
+                    this.availableTransitions = [];
+                }
+            },
+
             async loadTechnicians() {
                 try {
                     const users = await app().apiGet('/api/auth/users');
@@ -356,6 +356,7 @@
                     
                     const updated = await app().apiPatch(`/api/tickets/${this.ticketId}`, payload);
                     this.ticket = updated;
+                    await this.loadTransitions();
                     this.showStatusModal = false;
                     this.statusForm = { newStatus: '', note: '' };
                     app().showToast('Status updated', 'success');
@@ -378,6 +379,7 @@
                         assigned_to: parseInt(this.assignForm.technicianId)
                     });
                     this.ticket = updated;
+                    await this.loadTransitions();
                     this.showAssignModal = false;
                     app().showToast('Technician assigned', 'success');
                 } catch (e) {