docs: Update README and CHANGELOG for v2.0.0

- Complete rewrite of README with categorized agents, commands, and skills
- Detailed CHANGELOG documenting v1.0.0, v1.1.0, and v2.0.0 changes
- Summary tables showing component growth (17→24 agents, 6→15 commands, 1→11 skills)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

plugins/compounding-engineering/CHANGELOG.md

@@ -1,14 +1,82 @@
 # Changelog
 
+All notable changes to the compounding-engineering plugin 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).
+
+## [2.0.0] - 2024-11-24
+
+Major reorganization consolidating agents, commands, and skills from multiple sources into a single, well-organized plugin.
+
+### Added
+
+**New Agents (7)**
+- `design-iterator` - Iteratively refine UI components through systematic design iterations
+- `design-implementation-reviewer` - Verify UI implementations match Figma design specifications
+- `figma-design-sync` - Synchronize web implementations with Figma designs
+- `bug-reproduction-validator` - Systematically reproduce and validate bug reports
+- `spec-flow-analyzer` - Analyze user flows and identify gaps in specifications
+- `lint` - Run linting and code quality checks on Ruby and ERB files
+- `ankane-readme-writer` - Create READMEs following Ankane-style template for Ruby gems
+
+**New Commands (9)**
+- `/changelog` - Create engaging changelogs for recent merges
+- `/plan_review` - Multi-agent plan review in parallel
+- `/resolve_parallel` - Resolve TODO comments in parallel
+- `/resolve_pr_parallel` - Resolve PR comments in parallel
+- `/reproduce-bug` - Reproduce bugs using logs and console
+- `/prime` - Prime/setup command
+- `/create-agent-skill` - Create or edit Claude Code skills
+- `/heal-skill` - Fix skill documentation issues
+- `/workflows:codify` - Document solved problems for knowledge base
+
+**New Skills (10)**
+- `andrew-kane-gem-writer` - Write Ruby gems following Andrew Kane's patterns
+- `codify-docs` - Capture solved problems as categorized documentation
+- `create-agent-skills` - Expert guidance for creating Claude Code skills
+- `dhh-ruby-style` - Write Ruby/Rails code in DHH's 37signals style
+- `dspy-ruby` - Build type-safe LLM applications with DSPy.rb
+- `every-style-editor` - Review copy for Every's style guide compliance
+- `file-todos` - File-based todo tracking system
+- `frontend-design` - Create production-grade frontend interfaces
+- `git-worktree` - Manage Git worktrees for parallel development
+- `skill-creator` - Guide for creating effective Claude Code skills
+
+### Changed
+
+**Agents Reorganized by Category**
+- `review/` (10 agents) - Code quality, security, performance reviewers
+- `research/` (4 agents) - Documentation, patterns, history analysis
+- `design/` (3 agents) - UI/design review and iteration
+- `workflow/` (6 agents) - PR resolution, bug validation, linting
+- `docs/` (1 agent) - README generation
+
+**Commands Restructured**
+- Workflow commands moved to `commands/workflows/` subdirectory
+- `/plan`, `/review`, `/work` now accessed as `/workflows:plan`, `/workflows:review`, `/workflows:work`
+
+### Summary
+
+| Component | v1.1.0 | v2.0.0 | Change |
+|-----------|--------|--------|--------|
+| Agents | 17 | 24 | +7 |
+| Commands | 6 | 15 | +9 |
+| Skills | 1 | 11 | +10 |
+
+---
+
 ## [1.1.0] - 2024-11-22
 
 ### Added
-- **gemini-imagegen skill** - Generate and edit images using Google's Gemini API
-  - Text-to-image generation
-  - Image editing and manipulation
-  - Multi-turn refinement via chat
-  - Multiple reference image composition (up to 14 images)
-  - Supports both `gemini-2.5-flash-image` and `gemini-3-pro-image-preview` models
+
+**gemini-imagegen Skill**
+- Text-to-image generation with Google's Gemini API
+- Image editing and manipulation
+- Multi-turn refinement via chat interface
+- Multiple reference image composition (up to 14 images)
+- Model support: `gemini-2.5-flash-image` and `gemini-3-pro-image-preview`
+- Python scripts: `generate_image.py`, `edit_image.py`, `multi_turn_chat.py`, `compose_images.py`
 
 ### Fixed
 - Corrected component counts in documentation (17 agents, not 15)
@@ -16,10 +84,52 @@
 ### Documentation
 - Added comprehensive README with all components listed
 - Added this changelog
+- Added `requirements.txt` for Python dependencies
+
+---
 
 ## [1.0.0] - 2024-10-09
 
+Initial release of the compounding-engineering plugin.
+
 ### Added
-- Initial release with 17 specialized agents
-- 6 slash commands for common workflows
+
+**17 Specialized Agents**
+
+*Code Review (5)*
+- `kieran-rails-reviewer` - Rails code review with strict conventions
+- `kieran-python-reviewer` - Python code review with quality standards
+- `kieran-typescript-reviewer` - TypeScript code review
+- `dhh-rails-reviewer` - Rails review from DHH's perspective
+- `code-simplicity-reviewer` - Final pass for simplicity and minimalism
+
+*Analysis & Architecture (4)*
+- `architecture-strategist` - Architectural decisions and compliance
+- `pattern-recognition-specialist` - Design pattern analysis
+- `security-sentinel` - Security audits and vulnerability assessments
+- `performance-oracle` - Performance analysis and optimization
+- `data-integrity-guardian` - Database migrations and data integrity
+
+*Research (4)*
+- `framework-docs-researcher` - Framework documentation research
+- `best-practices-researcher` - External best practices gathering
+- `git-history-analyzer` - Git history and code evolution analysis
+- `repo-research-analyst` - Repository structure and conventions
+
+*Workflow (3)*
+- `every-style-editor` - Every's style guide compliance
+- `pr-comment-resolver` - PR comment resolution
+- `feedback-codifier` - Feedback pattern codification
+
+**6 Slash Commands**
+- `/plan` - Create implementation plans
+- `/review` - Comprehensive code reviews
+- `/work` - Execute work items systematically
+- `/triage` - Triage and prioritize issues
+- `/resolve_todo_parallel` - Resolve TODOs in parallel
+- `/generate_command` - Generate new slash commands
+
+**Infrastructure**
 - MIT license
+- Plugin manifest (`plugin.json`)
+- Pre-configured permissions for Rails development