/version

[Agent] Version management - semantic versioning, changelogs, and markdown headers

Spawn the `dev-team:version` agent (model: sonnet) to manage version files and documentation.

## Pre-flight: Run Plugin Tools

Before performing version operations, gather context:


## Available Commands

| Command | Description | Example |
|---------|-------------|---------|
| `bump` | Increment version (major, minor, patch) | `/version bump minor` |
| `update` | Update all version files and docs | `/version update` |
| `headers` | Update metadata headers in all .md files | `/version headers` |
| `init` | Initialise version files for new project | `/version init` |
| `status` | Show curr...