Event store primitives for SharpCoreDB.

Version: v1.9.1 Package: SharpCoreDB.EventSourcing

to the synchronized 1.9.1 release line.

• ✅ Release automation now publishes all packable SharpCoreDB packages in CI/CD.

• Append-only event streams with per-stream ordering
• Global ordered event feed for replay/catch-up
• In-memory and persistent (SharpCoreDbEventStore) implementations
• Snapshot persistence and snapshot-aware aggregate loading
• Optional upcasting pipeline support

• Package/docs synchronized to v1.9.0
• Snapshot and replay guidance clarified for production workflows
• Persistent and in-memory parity documented as first-class support

dotnet add package SharpCoreDB.EventSourcing --version 1.9.0

• SharpCoreDB.Projections
• SharpCoreDB.CQRS

• docs/INDEX.md
• src/SharpCoreDB.EventSourcing/NuGet.README.md