chore: bump version to v0.20.1

chore: bump version to v0.20.0

chore: bump version to v0.19.19

chore: bump version to v0.19.18

chore: bump version to v0.19.17

chore: bump version to v0.19.16

fix(ui): handle heartbeat send errors and remove dead helper

fix(session): preserve parent notifications with explicit group override

chore: bump version to v0.19.13

chore: bump version to v0.19.11