Files
dance-lessons-coach/CHANGELOG.md
Gabriel Radureau d3b6d190d1 feat: implement input validation for API v2
- Added go-playground/validator dependency

- Created pkg/validation/ package with custom validator wrapper

- Implemented request validation for v2 greet endpoint

- Added structured validation error responses

- Extended BDD tests to cover validation scenarios

- Updated AGENTS.md with v2 API documentation

- Created ADR 0011-validation-library-selection.md

- Simplified server handler creation code

- Updated CHANGELOG with implementation details
2026-04-04 21:08:13 +02:00

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# DanceLessonsCoach Agent Improvement Log
This file tracks the agent's contributions and decisions. Kept compact and iterative.
## Current Focus (2026-04-04)
### Active Configuration
- **Agent**: DanceLessonsCoachProgrammer
- **Location**: `/Users/gabrielradureau/Work/Vibe/.mistral/dancelessonscoachprogrammer-agent.toml`
- **Status**: Fully operational with workflow constraints
### Recent Decisions
- ✅ Use existing `cli` system prompt with custom overrides
- ✅ Enable web tools for research (web_search, web_fetch)
- ✅ Restrict git commands (no add/commit/push/merge/rebase)
- ✅ Require ADR documentation for all architectural decisions
## Workflow Constraints
### Always Ask Before
- Adding libraries/frameworks
- Major architectural changes
- Breaking changes
### Always Check
- `adr/` folder for existing decisions
- Roadmap alignment
- BDD scenario coverage
### Always Document
- New ADRs in `adr/` folder
- Feature changes in CHANGELOG.md
- Test scenarios in `features/`
## Agent Session Guide
### Starting a Session
```bash
cd /Users/gabrielradureau/Work/Vibe/DanceLessonsCoach
vibe start --agent dancelessonscoachprogrammer
```
### Example Workflow
```
🤖 "Need to add library X. Approve?"
👤 "Yes, document in ADR first"
🤖 Creates adr/00XX-library-x.md
🤖 Implements with BDD tests
🤖 Updates CHANGELOG.md
```
## Implementation History
### 2026-04-04 - API v2 Implementation
- ✅ Added `/api/v2/greet` POST endpoint with JSON request/response
- ✅ Implemented `ServiceV2` with "Hello my friend <name>!" greeting format
- ✅ Added `api.v2_enabled` feature flag (default: false)
- ✅ Extended BDD tests to cover v2 scenarios
- ✅ Maintained full backward compatibility with v1 API
- ✅ Added `DLC_API_V2_ENABLED` environment variable support
- ✅ Created ADR [0010-api-v2-feature-flag.md](adr/0010-api-v2-feature-flag.md)
- ✅ Updated configuration system to support API versioning
- ✅ Added comprehensive test coverage for both enabled and disabled states
### 2026-04-04 - Input Validation Implementation
- ✅ Selected go-playground/validator for input validation
- ✅ Created ADR [0011-validation-library-selection.md](adr/0011-validation-library-selection.md)
- ✅ Added `pkg/validation/` package with custom validator wrapper
- ✅ Implemented request validation for v2 API endpoints
- ✅ Added structured validation error responses
- ✅ Extended BDD tests to cover validation scenarios
- ✅ Added validation for name field (max length: 100 characters)
- ✅ Maintained graceful degradation when validator fails to initialize
- ⚠️ **REMINDER**: Use `./scripts/build.sh` instead of `go build` directly for consistent builds
## Compact History (Last 5 Entries)
### 2026-04-04
- Configured agent with workflow constraints
- Enabled web research tools
- Restricted git operations
- Documented in adr/0010-agent-configuration-relationship.md
### 2026-04-04
- Added bdd_testing skill (updated to match validated implementation)
- Added commit_message skill (Gitmoji validation)
- Added skill_creator skill (framework)
### 2026-04-04
- Implemented BDD testing with Godog
- Created features/greet.feature and features/health.feature
- Added pkg/bdd/ with test server and steps
### 2026-04-04
- Added comprehensive ADR documentation
- Created adr/0001-0009 covering all major decisions
- Enhanced AGENTS.md with complete project documentation
### 2026-04-04
- Established project structure
- Implemented core Greet service
- Added Chi router and Zerolog logging
- Created CLI and web server interfaces
## Maintenance
**Compaction Rule**: Keep only last 5 entries. Older history archived in git.
**Archiving**: When compaction needed:
```bash
git log --oneline -- CHANGELOG.md > CHANGELOG_archive.md
echo "## Compact History (Last 5 Entries)" > CHANGELOG.md
# Add last 5 entries from git history
git log -5 --pretty=format:"### %ad%n- %s%n" -- CHANGELOG.md >> CHANGELOG.md
```
## References
- **Agent Config**: `/Users/gabrielradureau/Work/Vibe/.mistral/dancelessonscoachprogrammer-agent.toml`
- **ADR Pattern**: `/adr/README.md`
- **BDD Guide**: `/pkg/bdd/README.md`
- **Project Docs**: `/AGENTS.md`
- **Mistral Vibe Docs**: https://docs.mistral.ai/mistral-vibe/introduction
- **Mistral Vibe GitHub**: https://github.com/mistralai/mistral-vibe