Add in-app Care Queue Engine (Phase 1 MVP).

Issue, call-next, serve, and complete tickets locally so Care Pro no longer
needs QUEUE_API_* when CARE_QUEUE_DRIVER=native (default). Remote Ladill Queue
remains available for cutover; PHPUnit keeps the remote driver for existing fakes.

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

app/Models/CareServicePoint.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace App\Models;
+
+use App\Models\Concerns\BelongsToOwner;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Support\Str;
+
+class CareServicePoint extends Model
+{
+    use BelongsToOwner;
+
+    protected $table = 'care_service_points';
+
+    protected $fillable = [
+        'uuid', 'owner_ref', 'organization_id', 'service_queue_id',
+        'name', 'destination', 'kind', 'ref_id', 'staff_ref',
+        'staff_display_name', 'external_key', 'is_active',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'is_active' => 'boolean',
+            'ref_id' => 'integer',
+        ];
+    }
+
+    protected static function booted(): void
+    {
+        static::creating(function (CareServicePoint $point) {
+            if (! $point->uuid) {
+                $point->uuid = (string) Str::uuid();
+            }
+        });
+    }
+
+    public function organization(): BelongsTo
+    {
+        return $this->belongsTo(Organization::class, 'organization_id');
+    }
+
+    public function serviceQueue(): BelongsTo
+    {
+        return $this->belongsTo(CareServiceQueue::class, 'service_queue_id');
+    }
+
+    public function tickets(): HasMany
+    {
+        return $this->hasMany(CareQueueTicket::class, 'service_point_id');
+    }
+}