Jcode v0.81.6

Fixes

• Send the x-opencode-session header on OpenCode Go/Zen requests (required from 2026-09-05)

Full changelog: https://github.com/1jehuang/jcode/compare/v0.81.5...v0.81.6

Platform availability

• Linux x86_64: available
• Linux aarch64: available
• macOS Apple Silicon: available
• macOS Intel: available
• Windows x86_64: available
• Windows ARM64: available
• FreeBSD x86_64: available