Refine AI prompt guidance for shortLocation formatting

Author: andrelandgraf

app/src/workflows/luma-sync/steps/ai.ts

@@ -42,7 +42,7 @@ export async function generateEventDraftWithAI({
     model: getGatewayModel(),
     schema: aiSuggestedEventSchema,
     system:
-      "You convert Luma events to AllThingsWeb event records. Return realistic, concise values.",
+      "You convert Luma events to AllThingsWeb event records. Return realistic, concise values. shortLocation must be a short street/company-style label (for example: 'Mux Office', 'Vercel', 'Market St') and must not be only a city name like 'San Francisco'.",
     prompt: `
 Given a Luma event and a deterministic fallback draft, return an improved AllThingsWeb event payload.
 
@@ -51,6 +51,7 @@ Requirements:
 - Keep slug lowercase and URL-safe with hyphens only.
 - Tagline should be concise and usable as public event copy.
 - attendeeLimit must be a realistic positive integer.
+- shortLocation should be a concise street/company/venue label, not just city-only text.
 - For unknown optional address fields, return null.
 
 AllThingsWeb required fields: