chore: enable windows and linux builds

[Ziinc]

Motivation

• Expand CI and release coverage to Linux and Windows and include NAPI/crate/package changes in triggers.

Description

• Add defaults shell and include crates/**, package.json, package-lock.json in CI triggers.
• Add Windows JS and Rust jobs and Ubuntu/Windows release matrix entries.
• Use runner.os checks and install jj via cargo binstall on non-macOS.
• Install Linux Tauri dependencies in CI and release workflows.

Testing

• Validated YAML parsing with ruby -e (passed).
• Ran npm run check:format (passed).
• Ran npm run check which failed due to unrelated ast-grep snapshot test failures.
  [Codex Task](