feat: 添加 Laravel Reverb 支持，更新 .env.example 文件以配置 WebSocket，增强彩票调度功能，更新 API 路由以支持期号管理与结果发布

app/Models/Draw.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Models;
+
+use App\Lottery\DrawStatus;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+/** 彩票期号 {@see draws} */
+class Draw extends Model
+{
+    protected $fillable = [
+        'draw_no',
+        'business_date',
+        'sequence_no',
+        'status',
+        'start_time',
+        'close_time',
+        'draw_time',
+        'cooling_end_time',
+        'result_source',
+        'current_result_version',
+        'settle_version',
+        'is_reopened',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'business_date' => 'date',
+            'start_time' => 'datetime',
+            'close_time' => 'datetime',
+            'draw_time' => 'datetime',
+            'cooling_end_time' => 'datetime',
+            'current_result_version' => 'integer',
+            'settle_version' => 'integer',
+            'is_reopened' => 'boolean',
+        ];
+    }
+
+    public function statusEnum(): ?DrawStatus
+    {
+        return DrawStatus::tryFrom((string) $this->status);
+    }
+
+    public function resultBatches(): HasMany
+    {
+        return $this->hasMany(DrawResultBatch::class);
+    }
+
+    public function resultItems(): HasMany
+    {
+        return $this->hasMany(DrawResultItem::class);
+    }
+}

app/Models/DrawResultBatch.php

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+<?php
+
+namespace App\Models;
+
+use App\Lottery\DrawResultBatchStatus;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+/** 开奖结果批次（含 RNG 种子摘要、审核人） {@see draw_result_batches} */
+class DrawResultBatch extends Model
+{
+    public $timestamps = true;
+
+    protected $fillable = [
+        'draw_id',
+        'result_version',
+        'source_type',
+        'rng_seed_hash',
+        'raw_seed_encrypted',
+        'status',
+        'created_by',
+        'confirmed_by',
+        'confirmed_at',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'result_version' => 'integer',
+            'confirmed_at' => 'datetime',
+        ];
+    }
+
+    public function draw(): BelongsTo
+    {
+        return $this->belongsTo(Draw::class);
+    }
+
+    public function items(): HasMany
+    {
+        return $this->hasMany(DrawResultItem::class, 'result_batch_id');
+    }
+
+    public function statusEnum(): ?DrawResultBatchStatus
+    {
+        return DrawResultBatchStatus::tryFrom((string) $this->status);
+    }
+}

app/Models/DrawResultItem.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/** 单条中奖号码行（与界面文档奖项分区对应） {@see draw_result_items} */
+class DrawResultItem extends Model
+{
+    public const UPDATED_AT = null;
+
+    protected $fillable = [
+        'draw_id',
+        'result_batch_id',
+        'prize_type',
+        'prize_index',
+        'number_4d',
+        'suffix_3d',
+        'suffix_2d',
+        'head_digit',
+        'tail_digit',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'prize_index' => 'integer',
+            'head_digit' => 'integer',
+            'tail_digit' => 'integer',
+        ];
+    }
+
+    public function draw(): BelongsTo
+    {
+        return $this->belongsTo(Draw::class);
+    }
+
+    public function batch(): BelongsTo
+    {
+        return $this->belongsTo(DrawResultBatch::class, 'result_batch_id');
+    }
+}