# Harness Changelog

Track all updates to harness engineering documents. Each entry ties a harness doc change to the code change that triggered it, making the evolution of the harness auditable.

## Format

Each entry follows this structure:

### [DATE] -- [BRIEF DESCRIPTION]

**Trigger:** [PR #, branch name, or commit range that caused the update]
**Documents updated:**
- `.github/copilot-instructions.md` -- [what changed and why]
- `ARCHITECTURE.md` -- [what changed and why]

**Impact:** [Brief note on how this affects agent behavior]

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## Entries

### [YYYY-MM-DD] -- Initial harness setup

**Trigger:** Initial project setup
**Documents updated:**
- `.github/copilot-instructions.md` -- Created with project overview, tech stack, build commands, architecture, conventions
- `AGENTS.md` -- Created as table-of-contents companion
- `ARCHITECTURE.md` -- Created with initial domain map and module boundaries

**Impact:** Agents can now navigate the codebase, run builds/tests, and follow conventions.

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