# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [0.5.0] - 2026-03-09
### 🚀 Features
- **sim**: Add --seeds CLI flag for runtime seed debugging
- **sim**: Add details parameter to assertion macros for debug context
- **sim**: Redesign spacesim RPC model for network chaos resilience
- **sim**: Add ShipActor with actor-to-actor trade calls
- **sim**: Multi-process spacesim with 3 station nodes
- **sim**: Make spacesim RPC fault-aware with try_get_reply
- **sim**: Add before_iteration hook and clear methods for multi-seed reset
- **actors**: Add MoonpoolClient for client-only actor runtime
- **sim**: Add DirectoryConsistency invariant via StateHandle
- **sim**: Add cargo tracking and VerifyAll operation to spacesim
- **sim**: Scaffold spacesim with single StationActor on one process
- **moonpool**: Add structured tracing across actor runtime
- **moonpool**: Wire placement to membership active members
- **moonpool**: Add node self-registration and shutdown cleanup
- **moonpool**: Evolve ActorDirectory with Orleans-style semantics
- **moonpool**: Add ActivationId and ActorAddress types
- **moonpool**: Evolve MembershipProvider with snapshot and registration
- **moonpool**: Add core membership types for Orleans parity
- **moonpool**: Pass ActorContext to virtual actor trait methods, add NodeConfig and ClusterConfig builder
- **moonpool**: Add MoonpoolNode unified actor runtime
- **moonpool-sim**: Add colored terminal display for simulation reports
- Add cargo xtask sim for running simulation binaries with sancov
- Move simulation tests to per-crate binary targets for sancov compatibility
### 🐛 Bug Fixes
- **sim**: Prevent trade model drift from at-least-once duplication
- **sim**: Create fresh tokio runtime per iteration for determinism
- **transport**: Self-notify connection task after write failure to enable reconnection
- **actors**: Add RPC timeout to prevent deadlock on connection death
- **moonpool**: Replace HashMap/HashSet with BTreeMap/BTreeSet for deterministic simulation
- **sim,explorer**: Fix duplicate assertion slots and false "was never reached" violations
### 🚜 Refactor
- **sim**: Rewrite spacesim as idempotent cargo hauling network
- **moonpool**: Move directory registration from caller to target host
- **moonpool**: Separate PlacementStrategy enum from PlacementDirector trait
- **moonpool**: Reorganize actors/ into folder-based sub-modules
- Remove nextest fast profile, add xtask sim subcommands
### ⚙️ Miscellaneous Tasks
- Add fdbrpc reference files and document situation status
- Setting place for the bug
- Checkpoint to non-deterministic bug
## [0.4.0] - 2026-02-19
### 🚀 Features
- **moonpool**: Replace control-plane test with AWS DynamoDB metastable failure simulation
- **moonpool-transport-derive**: Unified #[service] macro, #[actor_impl], and serve()
- **moonpool**: Complete Phases 7-10 — exploration tests, fork points, transport + actor workloads
- **moonpool-sim**: Add RNG call counting and breakpoints
- **moonpool**: Add graceful stop for ActorHost
- **moonpool**: Add DeactivateAfterIdle idle timeout for actors
- **moonpool**: Add per-identity concurrent actor processing
- **moonpool**: Add Orleans-style actor lifecycle and state persistence
- **moonpool**: Add multi-node virtual actors with forwarding and simulation tests
- **moonpool-transport-derive**: Add #[virtual_actor] macro: generates ActorRef, dispatcher, and method constants
- **moonpool**: Add ActorHost: server-side runtime with automatic actor activation and dispatch
- **moonpool**: Add banking example with virtual actors and static endpoints
- **moonpool**: Add ActorRouter for caller-side actor request resolution
- **moonpool**: Add PlacementStrategy trait and LocalPlacement
- **moonpool**: Add ActorDirectory trait and InMemoryDirectory implementation
- **moonpool**: Add core virtual actor types (ActorId, ActorMessage, ActorResponse)
### 🐛 Bug Fixes
- **moonpool**: Fix metastable replay determinism with seeded tokio runtime
- **moonpool**: Fix metastable replay test assertion key and add fast replay test
### 📚 Documentation
- Align documentation with current codebase state
- Update all READMEs, CLAUDE.md, and rustdoc for 6-crate architecture
### 🎨 Styling
- **moonpool**: Apply cargo fmt formatting
## [0.2.2] - 2025-12-18
### 🐛 Bug Fixes
- **docs**: Use correct docs.rs metadata keys for tokio_unstable
### 🚜 Refactor
- **transport**: Rename FlowTransport to NetTransport
## [0.2.1] - 2025-12-04
### 🐛 Bug Fixes
- **docs**: Add docs.rs config and README for each crate
## [0.2.0] - 2025-12-03
### 🚀 Features
- **moonpool**: Implement Phase 12D testing improvements
- **moonpool**: Implement Phase 12C developer experience improvements
- **moonpool**: Add real TCP ping-pong example demonstrating RPC
- **moonpool**: Complete multi-node RPC transport layer (Phase 12B Step 7d)
- **moonpool**: Add multi-node RPC simulation infrastructure (Phase 12B Step 7d)
- **moonpool**: Add multi-node transport with take_receiver() pattern
- **moonpool**: Add RPC simulation tests with FDB-style invariants (Phase 12B Step 10)
- **moonpool**: Add RPC integration tests (Phase 12B Step 9)
- **moonpool**: Implement FDB-style request-response RPC (Phase 12B)
- **moonpool-traits**: Add pluggable MessageCodec for serialization
- **moonpool**: Add simulation tests and sometimes_assert! coverage (Phase 12 Step 7a)
- **moonpool**: Implement FDB-style static messaging core (Phase 12)
- Implement Phase 2a network traits and Tokio integration
### 🐛 Bug Fixes
- **moonpool**: Add shutdown mechanism to listen_task preventing timeout
### 📚 Documentation
- Consolidate markdown docs into Rust doc comments
### 🚜 Refactor
- Reorganize into 4-crate architecture