Add diaries, time capsules, and cover customization

[fortune710]

What changed

• Added multi-diary support with default-diary backfills, diary-specific entries, cover colors, persisted cover styles, optimistic editing, local caching, and shared cover transitions.
• Added time-capsule creation, scheduling, backend unlock processing, notifications, listing, and reveal experiences.
• Added Spotify provider support and new inspiration sources for contacts, media memories, and place visits.
• Refined capture, calendar, onboarding, settings, friends, monthly dumps, typography, icons, and shared UI components.
• Added the Supabase migrations required for diaries, time capsules, Spotify configuration, query indexes, colors, and cover styles.

Why

Entries previously had no first-class diary grouping, diary reads lacked the matching cache and database indexes, and time capsules did not have a complete creation-to-unlock flow. This change adds the required data model and user experiences while improving perceived performance through optimistic updates and local cache hydration.

User and developer impact

Users can create and customize multiple diaries, open diary-specific entries with a shared cover transition, and create time capsules that unlock on schedule. Developers now have typed diary and time-capsule services, migrations, reusable cover components, schedulers, and shared UI primitives.

Validation

• npm run build:web passes.
• git diff --check passes.
• Supabase migrations are applied and synchronized through 20260808010500.
• npx tsc --noEmit reaches only two pre-existing nullable-response warnings in hooks/__tests__/use-auth.test.ts.

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Status	Name	Latest Commit	Updated (UTC)
❌ Deployment failed View logs	keepsafe	5c1c98c	Aug 08 2026, 04:59 AM