rewrite ruby to python

plugins/compound-engineering/CHANGELOG.md

@@ -5,6 +5,64 @@ All notable changes to the compound-engineering plugin will be documented in thi
 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).
 
+## [2.29.0] - 2026-01-26
+
+### Changed
+
+- **Backend focus shift: Ruby/Rails → Python/FastAPI** - Comprehensive conversion of backend-focused components
+  - All backend-related agents and skills now target Python/FastAPI instead of Ruby/Rails
+  - TypeScript/React frontend components remain unchanged
+
+### Added
+
+- **`tiangolo-fastapi-reviewer` agent** - FastAPI code review from Sebastián Ramírez's perspective
+  - Reviews for Pydantic model patterns, async/await discipline, dependency injection
+  - Identifies Flask/Django patterns contaminating FastAPI codebases
+  - Enforces OpenAPI schema design and type hints
+
+- **`python-package-readme-writer` agent** - Create concise READMEs for Python packages
+  - Follows modern Python packaging conventions (pyproject.toml, src layout)
+  - Targets PyPI publication with pip/uv/poetry installation instructions
+
+- **`fastapi-style` skill** - Write FastAPI code following opinionated best practices
+  - Thin routers, rich Pydantic models with validation
+  - SQLAlchemy 2.0 async patterns, dependency injection
+  - References for routers, models, database, testing, security, background tasks
+
+- **`python-package-writer` skill** - Write Python packages following production-ready patterns
+  - Modern packaging with pyproject.toml, src layout, pytest
+  - Zero or minimal dependencies philosophy
+  - Type hints, configuration patterns, FastAPI integration
+
+- **`dspy-python` skill** - Build LLM applications with DSPy framework
+  - Signature-based prompting, teleprompter optimization
+  - FastAPI integration patterns, pytest testing
+  - Replaced dspy-ruby skill
+
+- **Enhanced `kieran-python-reviewer` agent** - Now includes FastAPI-specific sections
+  - Pydantic model patterns, async/await discipline
+  - Dependency injection, OpenAPI schema design
+  - SQLAlchemy 2.0 async, router organization, security patterns
+
+- **Updated `lint` agent** - Now targets Python files
+  - Uses ruff for linting/formatting, mypy for type checking
+  - bandit for security scanning, djlint for Jinja2 templates
+
+### Removed
+
+- **`dhh-rails-reviewer` agent** - Replaced by tiangolo-fastapi-reviewer
+- **`kieran-rails-reviewer` agent** - Functionality merged into kieran-python-reviewer
+- **`ankane-readme-writer` agent** - Replaced by python-package-readme-writer
+- **`dhh-rails-style` skill** - Replaced by fastapi-style
+- **`andrew-kane-gem-writer` skill** - Replaced by python-package-writer
+- **`dspy-ruby` skill** - Replaced by dspy-python
+
+### Summary
+
+- 27 agents, 24 commands, 15 skills, 1 MCP server
+
+---
+
 ## [2.28.0] - 2026-01-21
 
 ### Added