messages implemented

app/Models/MessageReaction.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+/**
+ * @property int    $id
+ * @property int    $message_id
+ * @property int    $user_id
+ * @property string $reaction
+ * @property \Carbon\Carbon $created_at
+ */
+class MessageReaction extends Model
+{
+    use HasFactory;
+
+    public $timestamps = false;
+
+    protected $fillable = [
+        'message_id',
+        'user_id',
+        'reaction',
+    ];
+
+    protected $casts = [
+        'created_at' => 'datetime',
+    ];
+
+    // ── Relationships ────────────────────────────────────────────────────────
+
+    public function message(): BelongsTo
+    {
+        return $this->belongsTo(Message::class);
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+}