Osaurus 0.21.2

What's Changed

• Add unified evidence report registry (#1629) by @mimeding
• Add Agent Channel security foundation (#1728) by @mimeding
• Add Agent Channel async substrate (#1651) by @mimeding

🚀 Features

• added Rampart as a lightweight on-device PII detection model (#1764) by @RaajeevChandran

🐛 Bug Fixes

• Fix KV-cache prefill reset after capabilities_load (#1760) by @tpae

🧰 Maintenance

• Make Osaurus Cloud available by default with a permanent opt-out (only during onboarding) (#1766) by @tpae
• Make local↔image model handoffs crash-free and seamless (#1765) by @tpae
• Make screen context a per-agent Computer Use option (#1763) by @tpae

Full Changelog: 0.21.1...0.21.2