Features:
- RebuildIndex command now checks and encrypts unencrypted fields during rebuild
- Detects non-encrypted data by checking for Laravel's encryption format prefix
- Automatically re-encrypts plaintext data in encrypted cast fields
- Reports number of fields encrypted during rebuild process

- Add encryptedSearchAny() scope for OR logic across multiple fields
- Add encryptedSearchAll() scope for AND logic with multiple field-term pairs
- Both methods support exact and prefix search types
- Compatible with database and Elasticsearch backends

Tests:
- All 106 tests passing
- BatchQueryTest now fully operational with new scope methods
- Rebuild command tested with encryption validation

Technical details:
- Uses getAttributes() to access raw database values
- Detects encrypted format by checking for 'eyJpdiI' prefix (base64 of '{"iv"')
- encryptedSearchAny() delegates to existing encryptedExactMulti/encryptedPrefixMulti
- encryptedSearchAll() builds chained whereIn conditions for AND logic