# IMPLEMENTATION.md — Fix Status Script Bugs

## Changes Made
- `scripts/status.py:504-510`: Removed neutered target-phase artifact check (restored `pass` — analysis showed it's redundant with current-phase check at 525-531)
- `scripts/status.py:1007,1061`: Removed dead double `continue` statements
- `scripts/status.py:523`: Changed `cmd_approve` to use `_require_state` instead of `_read_state` for consistency
- `scripts/status.py:1088-1095`: Added `cmd_list_states` function and `--list-states` CLI argument

## How It Works
- `--list-states` prints all valid phases with approval requirements noted
- Double continue dead code removed
- cmd_approve rejects untracked tasks consistently
- Target-phase check restored to `pass` (existing checks cover the cases correctly)