feat: add automatic event journal migration system#8
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guillaumebadin merged 1 commit intomainfrom Apr 2, 2026
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Add Flyway-like event migration support that automatically tracks and applies pending migrations on startup. Migrations transform journal payloads in-place with compile-time exhaustivity checking via Scala 3 sealed enum pattern matching. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
EventMigrationabstraction with typed factory for compile-time exhaustivity checking on sealed enum event typesSkunkMigrationsandDoobieMigrationsrunners that automatically track and apply pending migrations on startup (Flyway-likemigrationstable)PGSchema.eventsourcing()outputMigrationExample.scala) showing V1→V2→V3 event evolutiondocs/tutorials/5_migrations.md) covering schema evolution, compile-time safety, and best practicesTest plan
sbt postgresJVM/compile skunkBackendJVM/compile doobieBackendJVM/compile examplesJVM/compile— all passsbt scalafmtAll— formattedsbt headerCheckAll— license headers verified🤖 Generated with Claude Code