feat: add published_url column to posts

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

app/Models/Post.php

@@ -25,6 +25,7 @@ class Post extends Model
         'body',
         'status',
         'scheduled_at',
+        'published_url',
     ];
 
     protected $casts = [

database/migrations/2026_07_19_134706_add_published_url_to_posts_table.php

@@ -0,0 +1,22 @@
+<?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::table('posts', function (Blueprint $table) {
+            $table->string('published_url')->nullable()->after('scheduled_at');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('posts', function (Blueprint $table) {
+            $table->dropColumn('published_url');
+        });
+    }
+};

tests/Feature/PostModelTest.php

@@ -83,3 +83,17 @@ test('deleting a social account nulls out the post link but keeps the post', fun
         ->not->toBeNull()
         ->social_account_id->toBeNull();
 });
+
+test('a post can store a published_url', function () {
+    $post = Post::factory()->create(['published_url' => null]);
+
+    $post->update(['published_url' => 'https://example.com/2026/07/my-post']);
+
+    expect($post->fresh()->published_url)->toBe('https://example.com/2026/07/my-post');
+});
+
+test('published_url defaults to null', function () {
+    $post = Post::factory()->create();
+
+    expect($post->fresh()->published_url)->toBeNull();
+});