nils-plan-tooling 0.6.5

CLI crate for nils-plan-tooling in the nils-cli workspace.
Documentation
# Plan: <Task name>

## Overview
<2–5 sentences: what changes, what stays the same, approach>

## Scope
- In scope: ...
- Out of scope: ...

## Assumptions
1. ...

## Sprint 1: <Name>
**Goal**: ...
**Demo/Validation**:
- Command(s): ...
- Verify: ...

### Task 1.1: <Name>
- **Location**:
  - `<file paths>`
- **Description**: ...
- **Dependencies**:
  - <task IDs or "none">
- **Complexity**:
- **Acceptance criteria**:
  - ...
- **Validation**:
  - ...

## Sprint 2: <Name>
...

## Testing Strategy
- Unit: ...
- Integration: ...
- E2E/manual: ...

## Risks & gotchas
- ...

## Rollback plan
- ...