ticket story poitns rework

database/migrations/2026_03_25_004100_create_tickets_table.php

@@ -22,6 +22,7 @@ return new class extends Migration
             $table->string('title');
             $table->text('description')->nullable();
             $table->text('acceptance_criteria')->nullable();
+            $table->unsignedInteger('story_points')->nullable()->default(null);
             $table->timestamps();
 
             $table->unique(['project_id', 'sequence_number']);