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Changelog

All notable changes to aimdb-data-contracts will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Changed (breaking)

log_tap<T, R>(ctx, consumer, node_id) now takes Consumer<T> instead of Consumer<T, R> — R is still on RuntimeContext<R> (Design 029, M14). User-visible signature shrink only; behaviour unchanged.

[0.1.1] - 2026-05-22

Changed

Dependency update: Upgraded rand from 0.8 to 0.10.1.

[0.1.0] - 2026-03-16

Added

Streamable trait — capability marker for types crossing serialization boundaries (WebSocket, WASM, wire)
Migratable trait with MigrationChain and MigrationStep for schema evolution
Explicit version pins for path dependencies (aimdb-core = "1.0.0", aimdb-executor = "0.1.0")

Changed

Breaking: Refocused as a pure trait-definition crate
- Removed concrete contracts (Temperature, Humidity, GpsLocation) — moved to application-level crates (e.g., weather-mesh-common)
- Removed closed StreamableVisitor dispatcher and for_each_streamable() — replaced by extensible registry pattern in connector/adapter crates
- Removed ts feature and ts-rs dependency
- Version reset from 1.0.0 to 0.1.0 to reflect the reduced, stabilizing scope

[0.5.0] - 2026-02-21

Added

Initial release with shared data contract types
SchemaType trait for compile-time type identity
Linkable trait for wire format support in connector transport
Simulatable trait with SimulationConfig and SimulationParams for test data generation
Observable module with log_tap function for runtime observability
Built-in contracts: Temperature, Humidity, GpsLocation
Feature flags: linkable, simulatable, migratable, observable, ts