Project Update

Run this workflow only for existing projects with initialized docs.

1. Mode Guard

Before starting:

1. Require both docs/architecture.md and docs/plans.md.
2. If both files are missing and code exists, switch to project-convert.
3. If docs and code are both missing, switch to project-init.
4. If only one required doc exists, report partial state and ask user whether to repair via convert, continue with caution, or re-init.

2. Context Loading

Load current state first: