Add: Timer and Trigger modules with help subcommands

- Add /timer command: add, remove, list, listall, help
- Add /trigger command: add, remove, list, help
- Add /admin help and /owner help subcommands
- Add /twitch help subcommand
- Add ReminderManager for timer notifications
- Add reminders table to database
- Update README.md and AGENTS-BOT.md documentation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/commands/utility/twitch.ts

@@ -36,7 +36,11 @@ const command: Command = {
         .addSubcommand(subcommand =>
             subcommand
                 .setName('list')
-                .setDescription('Listet überwachte Kanäle.')),
+                .setDescription('Listet überwachte Kanäle.'))
+        .addSubcommand(subcommand =>
+            subcommand
+                .setName('help')
+                .setDescription('Zeigt Hilfe zu den Twitch-Befehlen an.')),
     category: 'Public',
     async execute(interaction: any) {
         const subcommand = interaction.options.getSubcommand();
@@ -44,6 +48,24 @@ const command: Command = {
         const isAdmin = interaction.memberPermissions?.has(PermissionFlagsBits.ModerateMembers);
         const DB = interaction.client.DB;
 
+        if (subcommand === 'help') {
+            const embed = new EmbedBuilder()
+                .setTitle('📺 Twitch Hilfe')
+                .setColor(0x6441a5)
+                .setDescription('Überwache Twitch-Streams und bekomme Benachrichtigungen.')
+                .addFields(
+                    { name: '`/twitch online <kanal>`', value: 'Prüft, ob ein Kanal gerade online ist.', inline: false },
+                    { name: '`/twitch add <kanal> [nachricht]`', value: 'Überwacht einen Kanal in diesem Kanal (Mod).\nWenn der Streamer live geht, wird benachrichtigt.', inline: false },
+                    { name: '`/twitch remove <kanal>`', value: 'Entfernt einen Kanal aus der Überwachung (Mod).', inline: false },
+                    { name: '`/twitch list`', value: 'Zeigt alle überwachten Kanäle in diesem Kanal an.', inline: false },
+                    { name: 'Beispiel', value: '`/twitch add shroud Hallo! Shroud ist live!`', inline: false }
+                )
+                .setTimestamp();
+
+            await interaction.reply({ embeds: [embed], flags: [MessageFlags.Ephemeral] });
+            return;
+        }
+
         if (subcommand === 'online') {
             const channelName = interaction.options.getString('channel')!.toLowerCase();
             await interaction.deferReply();