Generate article publications

app/Models/ArticlePublication.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class ArticlePublication extends Model
+{
+    protected $fillable = [
+        'article_id',
+        'published_at',
+        'community_id',
+        'published_by',
+        'post_id',
+        'platform',
+        'publication_data',
+    ];
+
+    protected $casts = [
+        'published_at' => 'datetime',
+        'publication_data' => 'array',
+    ];
+
+    public function article(): BelongsTo
+    {
+        return $this->belongsTo(Article::class);
+    }
+}

database/migrations/2025_06_29_181847_create_article_publications_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('article_publications', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('article_id')->constrained()->onDelete('cascade');
+            $table->string('post_id');
+            $table->unsignedBigInteger('community_id');
+            $table->string('platform')->default('lemmy');
+            $table->json('publication_data')->nullable();
+            $table->timestamp('published_at');
+            $table->string('published_by');
+            $table->timestamps();
+
+            $table->unique(['article_id', 'platform', 'community_id']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('article_publications');
+    }
+};