# 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).

## [Unreleased]

## [0.4.0] - 2026-01-11

### Added
- Conversation persistence layer with SQLAlchemy async
  - Database models: `Conversation`, `Message` with UUID primary keys
  - SQLite (dev) and PostgreSQL (prod) support via async engines
  - Lazy database initialization pattern
- Context management infrastructure
  - Token counting utilities using `litellm`
  - Context summarization at 80% token threshold
  - XML-tagged context prompt building for agent injection
- REST API for multi-turn conversations
  - `POST /conversations/` - Create new conversation
  - `GET /conversations/` - List conversations
  - `GET /conversations/{id}` - Get conversation with history
  - `POST /conversations/{id}/messages` - Add message (triggers agent)
  - `DELETE /conversations/{id}` - Delete conversation
- New dependencies: `sqlalchemy[asyncio]~=2.0.36`, `aiosqlite~=0.21.0`, `litellm~=1.57.0`
- Config settings: `database_url`, `summarization_threshold`, `keep_recent_messages`
- 19 conversation tests, 6 token counting tests (176 total tests passing)

### Changed
- Updated COVERAGE.md to ~80% complete
- Quieter pytest output (`-q --tb=short` instead of `-v`)

## [0.3.4] - 2026-01-11

### Added
- Task Agent - Full orchestrator for autonomous multi-step task execution
  - Has ALL tools: read, write, edit, bash (full), web_search
  - New `spawn_agent` tool to launch sub-agents (Explore, Plan) for focused work
  - Recursion prevention: cannot spawn nested Task agents
  - 22 unit tests for registration, tools, spawn_agent, and API
- Complete agent hierarchy: Explore (read-only) → Plan (read-only) → Task (orchestrator)

## [0.3.3] - 2026-01-11

### Added
- Plan Agent - READ-ONLY software architect that designs implementation strategies
  - Uses only read-only tools: `read_file`, `glob_files`, `grep_content`, `bash_readonly`
  - Creates step-by-step implementation plans with critical files list
  - 15 unit tests for registration, tools, and API
- Web search summarizer added to roadmap (future feature)

### Changed
- Updated COVERAGE.md to ~70% complete

## [0.3.2] - 2026-01-11

### Added
- Mandatory release procedure documentation in AGENTS.md

## [0.3.1] - 2026-01-11

### Added
- Integration test infrastructure with pytest markers (integration, e2e, slow)
- 10 LLM integration tests (requires Ollama)
- 12 E2E API tests (requires running server)
- Command line options: `--run-integration`, `--run-e2e`, `--ollama-url`, `--api-url`
- Sample project fixtures for testing
- 14 security tests (path traversal, command injection, input validation)
- Helper functions: `assert_contains_any`, `assert_contains_all`

### Changed
- Updated COVERAGE.md to ~65% complete

## [0.3.0] - 2026-01-10

### Added
- Explore agent with PydanticAI tool calling and Mistral Nemo
- Coding tools: `edit_file`, `write_file`, `bash` (full)
- Web search tool using SearXNG integration
- Streaming responses via SSE for API and CLI
- CLI commands: `explore`, `chat`, `status`
- Sanitized Ollama provider (fixes `content: null` issue)

### Changed
- Reorganized into monorepo structure (webber-api/, webber-cli/, webber-sandbox/)
- Added ruff linter and fixed mypy errors

## [0.2.3] - 2026-01-09

### Added
- Docker healthcheck for container health monitoring

## [0.2.2] - 2026-01-09

### Fixed
- Config parsing for empty environment variables (allowed_paths, cors_*)
- Use `env_parse_none_str=""` to treat empty strings as None

## [0.2.1] - 2026-01-09

### Fixed
- CI/CD pipeline credentials configured

## [0.2.0] - 2026-01-09

### Added
- Reference prompts from claude-code-system-prompts for all agent types
- Detailed documentation for Explore, Plan, and Task agents
- Detailed documentation for File, Shell, and Search tools
- Utility prompts (TodoWrite, AskUserQuestion, conversation summarization, etc.)
- Security review prompt for code analysis

### Changed
- Expanded agents/README.md with capabilities and use cases
- Expanded tools/README.md with parameter details and behaviors

## [0.1.0] - 2026-01-09

### Added
- Initial FastAPI boilerplate setup
- Domain-based project structure (src/domains/, src/shared/)
- BaseController pattern with lazy router instantiation
- Pydantic Settings configuration with env file support
- Logger decorator with temporal benchmarking and trace IDs
- UserProvider singleton for request-scoped context
- Custom exception hierarchy
- Health endpoints (/, /health)
- Placeholder domains for agents (explore, plan, task)
- Placeholder domains for tools (file, shell, search)
- Placeholder domain for auth (tatlock integration)
- CI/CD workflow for Gitea with Docker build and Watchtower deployment
- Dockerfile for containerized deployment
- CVE-checked dependencies (2026-01-09)