feat: 添加额外数据处理，优化AI助手消息生成与发送逻辑

app/Models/WebSocketDialogMsgExtra.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Models;
+
+use App\Module\Base;
+
+/**
+ * App\Models\WebSocketDialogMsgExtra
+ *
+ * @property int $id
+ * @property int|null $msg_id 消息ID
+ * @property string|null $data 长内容
+ * @property \Illuminate\Support\Carbon|null $created_at
+ * @property \Illuminate\Support\Carbon|null $updated_at
+ * @property-read \App\Models\WebSocketDialogMsg|null $webSocketDialogMsg
+ * @method static \Illuminate\Database\Eloquent\Builder|AbstractModel cancelAppend()
+ * @method static \Illuminate\Database\Eloquent\Builder|AbstractModel cancelHidden()
+ * @method static \Illuminate\Database\Eloquent\Builder|AbstractModel change($array)
+ * @method static \Illuminate\Database\Eloquent\Builder|AbstractModel getKeyValue()
+ * @method static \Illuminate\Database\Eloquent\Builder|WebSocketDialogMsgExtra newModelQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|WebSocketDialogMsgExtra newQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|WebSocketDialogMsgExtra query()
+ * @method static \Illuminate\Database\Eloquent\Builder|AbstractModel remove()
+ * @method static \Illuminate\Database\Eloquent\Builder|AbstractModel saveOrIgnore()
+ * @method static \Illuminate\Database\Eloquent\Builder|WebSocketDialogMsgExtra whereCreatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|WebSocketDialogMsgExtra whereData($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|WebSocketDialogMsgExtra whereId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|WebSocketDialogMsgExtra whereMsgId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|WebSocketDialogMsgExtra whereUpdatedAt($value)
+ * @mixin \Eloquent
+ */
+class WebSocketDialogMsgExtra extends AbstractModel
+{
+    /**
+     * @param $value
+     * @return array
+     */
+    public function getDataAttribute($value)
+    {
+        if (is_array($value)) {
+            return $value;
+        }
+        return Base::json2array($value);
+    }
+
+
+    /**
+     * 关联到消息
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function webSocketDialogMsg(): \Illuminate\Database\Eloquent\Relations\BelongsTo
+    {
+        return $this->belongsTo(WebSocketDialogMsg::class, 'msg_id', 'id');
+    }
+}
+