# Archive

This directory contains historical research documents and feature-branch implementation notes that are no longer actively maintained.

These files are preserved for reference but do not reflect the current state of the project.

| File | Description |
|------|-------------|
| `AGENT-SKILLS-RESEARCH.md` | Research on AI agent skills systems across VS Code, Claude Code, and other assistants |
| `API-COMPARISON-REPORT.md` | API surface comparison between branches during MCP daemon unification work |
| `MCP-CORE-DELTA-ANALYSIS.md` | Delta analysis of MCP tool files vs Core interface files (used for source generator design) |
| `IMPLEMENTATION_STATUS.md` | Feature-branch implementation notes for Formula Validation and related range improvements |
