feat: enhance torrent state scheduling and display

Signed-off-by: Qi HU <github@spcsky.com>

database/migrations/2024_08_26_000000_add_remark_to_torrents_state_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('torrents_state', function (Blueprint $table) {
+            if (!Schema::hasColumn('torrents_state', 'remark')) {
+                $table->string('remark')->nullable()->after('deadline');
+            }
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('torrents_state', function (Blueprint $table) {
+            if (Schema::hasColumn('torrents_state', 'remark')) {
+                $table->dropColumn('remark');
+            }
+        });
+    }
+};