Event Store Design

Comprehensive event store implementation guide with production-ready SQL and Python examples

• +Provides complete, production-ready templates for PostgreSQL schema and Python implementation
• +Covers multiple technologies with clear trade-offs and comparison table
• +Includes optimistic concurrency control, subscriptions, and checkpoint management patterns
• -Declares shell execution and network access permissions that aren't needed for design guidance
• -Subscribe method references asyncio.sleep without importing asyncio