polishing, some breadcrumbs, predefined mutations implemented more

database/migrations/2026_06_16_225928_create_predefined_mutations_table.php

@@ -13,11 +13,10 @@ return new class extends Migration
     {
         Schema::create('predefined_mutations', function (Blueprint $table) {
             $table->id();
-            $table->foreignId('dynamic_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('ledger_id')->constrained()->cascadeOnDelete();
             $table->string('name');
             $table->text('description')->nullable();
             $table->integer('amount');
-            $table->string('type')->default('reward');
             $table->timestamps();
         });
     }