v2.2.0

2.2.0 (2026-07-06)

Features

• security: add SECURITY.md, CodeQL scanning, and CI least-privilege hardening (332bf3f)

Bug Fixes

• demo: theme the xterm viewport background to remove the black bar in light mode (2a54df0)
• security: address CodeQL workflow review feedback (0688074)
• security: guard against 32-bit overflow when sizing ciphertext buffers (1ece169)