v0.25.0-beta.1

What's new:

• Added camera entity display modes: camera_stream and camera_snapshot, also usable in dynamic rules.
• Added per-card camera_snapshot_ttl_ms plus per-cell override to control snapshot refresh/caching (default 5000 ms).
• Added optional sizing for camera cells via camera_height (px) or camera_aspect (e.g., 16:9).

Full Changelog: v0.24.0...v0.25.0-beta.1