v0.3.0

What's Changed

• release: @sigx/cli 0.3.0 (#40) @andtii
• ci(release-drafter): restore autolabeling under v7 (#38) @andtii
• ci: add codecov.yml (patch-coverage gate config) (#31) @andtii

🚀 Features

• feat(shell): lifecycle events — onExit subscriptions, signal teardown, contribution setup (#43) @andtii
• feat(shell): fullscreen mode — showcase-shaped dashboard layout (#41) @andtii
• feat: TUI shell runtime + plugin TUI model + create on the prompt kit (#39) @andtii
• feat(templates/lynx*): scaffold lynx-env.d.ts referencing @sigx/lynx/client (#27) @andtii

🐛 Bug Fixes

• fix(shell): fullscreen frame uses the showcase recipe (#42) @andtii

🧰 Maintenance

• chore: sync standard scripts from repo-template (#30) @andtii
• chore: adopt the sigx standard agent setup (#29) @andtii

📚 Documentation

• docs(workflow): file a docs-repo issue before merge; tag it on release (#36) @andtii
• docs: repoint homepage/docs links to sigx.dev + trim README drift (#34) @andtii

Full Changelog: v0.2.8...v0.3.0