/session-wrapup

Update project documentation to prepare to clear context or start a new session.

# Session Wrap-up

Update project documentation to prepare to clear context or start a new session.

## Documentation Structure Awareness

**Check if project uses split documentation** (like temoa and tequitl):
- Look for `docs/chronicles/` and/or `docs/phases/` directories
- If present, follow the split documentation pattern below
- If not present, use the traditional pattern (update docs directly)

## Tasks to complete:

NOTE: Some of these tasks may have been completed already.

### 1. Update Implementation Status

**File**: `docs/IMPLEMENTATION.md`

**If using split documentation**:
- U...