- Migrated Kind 0 profile metadata storage to unified `profileCache.js` with partitioning and persistence.
- Added `defaultDTag` for hashtag preferences in `cachePolicies.js` to ensure consistent key resolution.
- Updated `hashtagPreferencesService.js` to use `profileCache` and implemented legacy data migration.
- Added `handleEvent` to `NostrClient` to centrally ingest Kind 0 events into the cache.
- Updated `authService.js` and `cache.js` to delegate profile operations to the unified cache system.
- Added `PROFILE_METADATA` schema to `nostrEventSchemas.js`.
- Update `cachePolicies.js` to include `defaultDTag` for watch history.
- Update `profileCache.js` to resolve policies dynamically via `SECTION_TO_NOTE_TYPE`.
- Implement `resolveAddressKey` in `profileCache.js` for canonical key generation.
- Implement TTL expiration logic in `profileCache.js`.
- Update `watchHistory.js` to use `NOTE_TYPES.WATCH_HISTORY` for storage operations.
- Updated `profileCache.js` to support clearing runtime memory on signer change.
- Updated `NostrClient` to trigger `clearSignerRuntime` on `setActiveSigner`.
- Updated list services (`subscriptions`, `userBlocks`, `hashtagPreferences`, `watchHistory`) to listen for `runtimeCleared` and reload data.
- Updated `NostrClient` sync metadata methods to default to the active profile pubkey.
- Added `partition-updated` event emission to `profileCache`.
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