Introduce comprehensive integration tests for Neo4j bug fixes covering batching, event relationships, and processing logic. Add rate-limiting to Neo4j queries using semaphores and retry policies to prevent authentication rate limiting and connection exhaustion, ensuring system stability under load.
- Update nostr library to v1.0.3 with improved binary tag support
- Replace tag.Value() calls with tag.ValueHex() to handle both binary and hex formats
- Add NormalizeTagValueForHash() for consistent filter tag normalization
- Update QueryPTagGraph to handle binary-encoded and hex-encoded pubkeys
- Fix tag matching in query-events.go using TagValuesMatchUsingTagMethods
- Add filter_utils.go with tag normalization helper functions
- Update delete operations in process-delete.go and neo4j/delete.go
- Fix ACL follows extraction to use ValueHex() for consistent decoding
- Add binary_tag_filter_test.go for testing tag value normalization
- Bump version to v0.30.3
