fix crontab task (#19)

electron/main/ipc-handlers.ts

@@ -208,6 +208,12 @@ function registerCronHandlers(gatewayManager: GatewayManager): void {
   }) => {
     try {
       // Transform frontend input to Gateway cron.add format
+      // For Discord, the recipient must be prefixed with "channel:" or "user:"
+      const recipientId = input.target.channelId;
+      const deliveryTo = input.target.channelType === 'discord' && recipientId
+        ? `channel:${recipientId}`
+        : recipientId;
+
       const gatewayInput = {
         name: input.name,
         schedule: { kind: 'cron', expr: input.schedule },
@@ -218,6 +224,7 @@ function registerCronHandlers(gatewayManager: GatewayManager): void {
         delivery: {
           mode: 'announce',
           channel: input.target.channelType,
+          to: deliveryTo,
         },
       };
       const result = await gatewayManager.rpc('cron.add', gatewayInput);

src/pages/Cron/index.tsx

@@ -140,9 +140,11 @@ function TaskDialog({ job, onClose, onSave }: TaskDialogProps) {
   const [customSchedule, setCustomSchedule] = useState('');
   const [useCustom, setUseCustom] = useState(false);
   const [channelId, setChannelId] = useState(job?.target.channelId || '');
+  const [discordChannelId, setDiscordChannelId] = useState('');
   const [enabled, setEnabled] = useState(job?.enabled ?? true);
 
   const selectedChannel = channels.find((c) => c.id === channelId);
+  const isDiscord = selectedChannel?.type === 'discord';
 
   const handleSubmit = async () => {
     if (!name.trim()) {
@@ -157,6 +159,11 @@ function TaskDialog({ job, onClose, onSave }: TaskDialogProps) {
       toast.error('Please select a channel');
       return;
     }
+    // Validate Discord channel ID when Discord is selected
+    if (selectedChannel?.type === 'discord' && !discordChannelId.trim()) {
+      toast.error('Please enter a Discord Channel ID');
+      return;
+    }
 
     const finalSchedule = useCustom ? customSchedule : schedule;
     if (!finalSchedule.trim()) {
@@ -166,13 +173,18 @@ function TaskDialog({ job, onClose, onSave }: TaskDialogProps) {
 
     setSaving(true);
     try {
+      // For Discord, use the manually entered channel ID; for others, use empty
+      const actualChannelId = selectedChannel!.type === 'discord'
+        ? discordChannelId.trim()
+        : '';
+
       await onSave({
         name: name.trim(),
         message: message.trim(),
         schedule: finalSchedule,
         target: {
           channelType: selectedChannel!.type,
-          channelId: selectedChannel!.id,
+          channelId: actualChannelId,
           channelName: selectedChannel!.name,
         },
         enabled,
@@ -285,6 +297,20 @@ function TaskDialog({ job, onClose, onSave }: TaskDialogProps) {
             )}
           </div>
 
+          {/* Discord Channel ID - only shown when Discord is selected */}
+          {isDiscord && (
+            <div className="space-y-2">
+              <Label>Discord Channel ID</Label>
+              <Input
+                value={discordChannelId}
+                onChange={(e) => setDiscordChannelId(e.target.value)}
+                placeholder="e.g., 1438452657525100686"
+              />
+              <p className="text-xs text-muted-foreground">
+                Right-click the Discord channel → Copy Channel ID
+              </p>
+            </div>
+          )}
           {/* Enabled */}
           <div className="flex items-center justify-between">
             <div>