Orcel legacy archive - v0.1.0 (original Cotra build)

Legacy archive notice: This v0.1.0 was built and published before the Orcel rename. Original Cotra-era executable names, checksums, attestations, and assets remain unchanged. It is NOT a newly qualified Orcel build or current Orcel installer. Current source: https://github.com/TheHalfMoon/Orcel.

---

Unsigned Windows x64 build of Cotra 0.1.0 from 5feff3f. Verify the archive against SHA256SUMS.txt and with 'gh attestation verify --repo TheHalfMoon/Cotra'; the installer verifies every payload file against manifest.json. SBOM (CycloneDX 1.5), provenance record, and third-party notices are attached.