v1.3.4-beta.3

Changes

New Features

• Nested light groups (opt-in) — HA light groups render as expandable containers with individual lights nested below. Enable via nested_light_groups toggle in editor. (PR #122, by @artur01-code)

Code Quality

• Modernized Codacy config (eslint9/opengrep, lizard, trivy)
• Fixed remaining void arrow functions, optional chains, forEach returns, unused imports

Documentation

• README: Added nested light groups to features list (Beta)
• README: Added HA app frontend cache reset to troubleshooting