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Generates an in-app announcement banner system with remote configuration, scheduling, deep link actions, and dismiss tracking.
Passed 20 of 23 test cases with the skill, and 13 of 23 without it.
and 4 more in the full report
7 fixed13 passed either way3 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.
What language version and minimum deployment target prerequisites should be verified before generating modern SwiftUI banner overlay code with @Observable?
| Checked | Without skill | With skill |
|---|---|---|
| Requires Swift 5.9 or higher and iOS 16 or higher. | Missed | Passed |
The instructions your model reads when the skill loads.
Generate a configurable in-app announcement/banner system that displays contextual messages (maintenance alerts, new feature highlights, promotions) from remote config or local definitions. Supports dismissal, deep link actions, and scheduling.
Use this skill when the user:
Search for existing banner/toast code:
Glob: **/*Banner*.swift, **/*Announcement*.swift, **/*Toast*.swift, **/*InAppMessage*.swift
Grep: "AnnouncementBanner" or "InAppBanner" or "ToastView" or "BannerView"
If third-party library found (Firebase In-App Messaging, Braze, Intercom):
Check for existing deep linking setup:
Grep: "deepLink" or "DeepLink" or "universalLink" or "openURL" or "onOpenURL"
test cases passed, vs 13 / 23 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.