May 2026 Design & UX Polish
Polished Ongi's design tone and added a new dark mode toggle in Settings. Returning users now get a one-time summary modal explaining the gradual lock timeline.
🎨 Design Consistency Polish
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Onboarding Step 2 polish: adult Oni alignment, unified chart preview tone, English button overflow fix on Step 4
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Oni page help button now matches the brand orange tone; the otter emoji in the emotion guidance modal is replaced with the ongi logo; "Oni's words" section is simplified to just the speech bubble
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Codified Ongi's design system — 5 brand principles in PRODUCT.md plus "The Quiet Hearth" palette (12 tokens + 8 Named Rules) in DESIGN.md. A foundation for consistent UI work going forward
🌍 Localization Fix
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Fixed the reconsent modal header badge — its notice text was leaking Korean to English users
👤 User Experience Improvements
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One-time summary modal for free users returning after 7+ days of inactivity, showing the gradual lock timeline (days 1-3 free → day 4 charts / day 5 expressions / day 6 diary). Closes the gap for users who missed the daily lock toasts
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New dark mode toggle in Settings (Light / Dark / System default), tailored for late-night and early-morning use. Synced across devices via Firestore for signed-in users. Full dark theming across screens will roll out in follow-up updates