[#8] fixed lots of issues on movie processing

database/migrations/2024_12_30_010251_create_comments_table.php

@@ -17,8 +17,8 @@ return new class extends Migration
             $table->string('entity_type');
             $table->integer('user_id')->nullable(true);
             $table->string('author_name');
-            $table->string('author_avatar');
-            $table->integer('author_rating');
+            $table->string('author_avatar')->nullable();
+            $table->integer('author_rating')->nullable();
             $table->text('content');
             $table->datetime('published_at');
             $table->string('tmdb_id');