Fix patient queue showing position 1 for every waiter.

Specialty demo seed reused slot+1 per module; repair duplicates on queue load and renumber after demo seed so waiting lists show 1..n.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/Feature/CareAppointmentTest.php

@@ -209,6 +209,52 @@ class CareAppointmentTest extends TestCase
             ->assertSee('Patient queue');
     }
 
+    public function test_queue_repairs_duplicate_positions(): void
+    {
+        $second = Patient::create([
+            'uuid' => (string) \Illuminate\Support\Str::uuid(),
+            'owner_ref' => $this->user->public_id,
+            'organization_id' => $this->organization->id,
+            'branch_id' => $this->branch->id,
+            'patient_number' => 'LC-2026-00002',
+            'first_name' => 'Kofi',
+            'last_name' => 'Mensah',
+        ]);
+
+        foreach ([$this->patient, $second] as $index => $patient) {
+            Appointment::create([
+                'uuid' => (string) \Illuminate\Support\Str::uuid(),
+                'owner_ref' => $this->user->public_id,
+                'organization_id' => $this->organization->id,
+                'branch_id' => $this->branch->id,
+                'patient_id' => $patient->id,
+                'practitioner_id' => $this->practitioner->id,
+                'type' => Appointment::TYPE_WALK_IN,
+                'status' => Appointment::STATUS_WAITING,
+                'scheduled_at' => now()->subMinutes(10 - $index),
+                'waiting_at' => now()->subMinutes(10 - $index),
+                'queue_position' => 1,
+                'reason' => $index === 0 ? 'Toothache' : 'Blurry vision',
+                'created_by' => $this->user->public_id,
+            ]);
+        }
+
+        $this->actingAs($this->user)
+            ->get(route('care.queue.index', ['branch_id' => $this->branch->id]))
+            ->assertOk()
+            ->assertSee('Toothache')
+            ->assertSee('Blurry vision');
+
+        $positions = Appointment::query()
+            ->where('branch_id', $this->branch->id)
+            ->where('status', Appointment::STATUS_WAITING)
+            ->orderBy('waiting_at')
+            ->pluck('queue_position')
+            ->all();
+
+        $this->assertSame([1, 2], array_map('intval', $positions));
+    }
+
     public function test_api_can_book_and_check_in(): void
     {
         Sanctum::actingAs($this->user);