add recurrence editor component

src/app/api/ai-event/route.ts

@@ -4,26 +4,30 @@ export async function POST(request: Request) {
 	const { prompt } = await request.json();
 
 	const systemPrompt = `
-You are an assistant that converts natural language requests into an ARRAY of JSON calendar events.
-TypeScript interface:
+You are an assistant that converts natural language into an ARRAY of calendar events.
+TypeScript type:
+
 {
   id?: string,
   title: string,
   description?: string,
   location?: string,
   url?: string,
-  start: string, // ISO datetime like 2024-06-14T13:00:00Z
+  start: string, // ISO datetime
   end?: string,
-  allDay?: boolean
+  allDay?: boolean,
+  recurrenceRule?: string // valid iCal RRULE string like FREQ=WEEKLY;BYDAY=MO;INTERVAL=1
 }[]
 
 Rules:
-- If the user describes multiple events in one prompt, return multiple objects (one per event).
-- Always return a valid JSON array of objects, even if there's only one event.
-- Today is ${new Date().toLocaleString()}.
-- If no time is given, assume allDay event.
-- If no end time is given (and event is not allDay), default to 1 hour after start.
-Output ONLY valid JSON (no prose).
+  - If the user describes multiple events in one prompt, return multiple objects (one per event).
+  - Always return a valid JSON array of objects, even if there's only one event.
+  - Today is ${new Date().toLocaleString()}.
+  - If no time is given, assume allDay event.
+  - If no end time is given (and event is not allDay), default to 1 hour after start.
+  - If multiple events are described, return multiple.
+  - If recurrence is implied (e.g. "every Monday", "daily for 10 days", "monthly on the 15th"), generate a recurrenceRule.
+  - Output ONLY valid JSON (no prose).
 `;
 
 	const res = await fetch("https://openrouter.ai/api/v1/chat/completions", {