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CHANGELOG.md

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Changelog

All notable changes to this project will be documented in this file.

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

Unreleased

1.0.0 - 2026-01-24

Changed

  • Version bump to 1.0.0 - Production-ready release
  • Added compile-time guard preventing simultaneous use of native and wasm features
  • Added categories, documentation, readme, and rust-version fields to Cargo.toml

Fixed

  • Compilation error when both native and wasm features were enabled together

0.1.0 - 2025-12-05

Development History

December 5, 2025 - Production Ready Release

Real-time Timeout Enforcement (f9adc53)

  • Implemented on_progress callback for true wall-clock timeout
  • Both native and WASM modules now enforce timeouts in real-time
  • Updated error handling to properly detect ErrorTerminated
  • Fixed timeout test to use CPU-intensive loop instead of thread::sleep

Dependency Updates & WASM Compatibility (773872c)

  • Upgraded Rhai from 1.20 to 1.23
  • Replaced instant crate with web-time for WASM compatibility
  • Enhanced README with Anthropic background and token savings analysis

Test Suite Expansion (a3d474f)

  • Upgraded to Rust 2024 edition
  • Added comprehensive tests for ExecutionLimits builder pattern
  • Added tests for all dynamic_to_json type conversions
  • Added README badges for version, license, and Rust version

Architecture Refactor (942c401)

  • Removed experimental MCP server implementation
  • Focused on core programmatic tool calling pattern
  • Simplified multi-target architecture
  • Updated tests for cleaner API

Multi-Target Support (1e852a2)

  • Added WASM target with wasm-bindgen
  • Feature-gated thread safety (native vs wasm)
  • Native: Arc<Mutex> for thread safety
  • WASM: Rc<RefCell> for single-threaded environments

December 3, 2025 - Documentation

README Enhancement (9e3763e)

  • Expanded documentation on universal tool orchestration
  • Added detailed benefit explanations
  • Improved usage examples
  • Documented safety limits and sandboxing

December 2, 2025 - Initial Development

Initial Implementation (7d31c92)

  • Core ToolOrchestrator struct with tool registration
  • ExecutionLimits for sandboxed execution
  • Rhai integration for script execution
  • dynamic_to_json conversion for tool arguments
  • Initial test suite

Added

  • Core ToolOrchestrator with tool registration and script execution
  • ExecutionLimits for sandboxing with configurable limits:
    • max_operations - prevents infinite loops (default: 100,000)
    • max_tool_calls - limits tool invocations (default: 50)
    • timeout_ms - real-time timeout via on_progress callback (default: 30s)
    • max_string_size - prevents memory bombs (default: 10MB)
    • max_array_size - limits collection sizes (default: 10,000)
    • max_map_size - limits map sizes (default: 1,000)
  • Preset limit profiles: quick(), default(), extended()
  • Multi-target architecture:
    • Native Rust library with Arc<Mutex> thread safety
    • WASM package with Rc<RefCell> for browser/Node.js
  • Comprehensive test suite (64 tests):
    • 39 native tests
    • 25 WASM tests
  • Security features:
    • Rhai sandbox (no filesystem, network, shell access)
    • Real-time timeout enforcement via on_progress
    • Configurable resource limits
  • Documentation:
    • README with problem/solution framing
    • Security considerations section
    • LLM system prompt template
    • Rhai syntax cheatsheet
    • API documentation (rustdoc)
    • CONTRIBUTING.md guide
  • Examples:
    • expense_aggregation - Classic batch processing use case
    • file_operations - File system orchestration
    • multi_api - Multiple API orchestration with conditionals
  • Benchmarks:
    • Token comparison benchmark demonstrating savings

Technical Details

  • Built on Rhai scripting engine v1.23
  • Rust 2024 edition
  • Zero runtime dependencies for native builds
  • Pure Rust implementation

References