style: apply prettier across the tree

One-shot prettier pass so the new format:check gate starts from a clean
baseline. Formatting only — no behaviour change. Generator-owned and
vendored artifacts stay untouched via .prettierignore.

src/types/analytics.ts

@@ -156,4 +156,3 @@ export interface InsightsAnalyticsData {
     delta: number | null;
   } | null;
 }
-