StellaOps Signer Implementation Plan (Redirect)

This file is kept for older links. Signer work is planned in sprint files under docs/implplan/; completed sprints are archived under docs-archive/implplan/.

• Current dossier: README and architecture.
• Source: src/Attestor/StellaOps.Signer/ and src/Attestor/__Libraries/StellaOps.Signer.*.