CI snapshot v3261

Source snapshot validated by the CI pipeline. This entry does not contain firmware bundles.

Changes:
Improve README spatial visuals with distinct sensing motion and typography

Source commit: 1c678a71faf1a9d31bbc9f03bd7add76f0293069

Container images publish separately through the sensing-server release workflow.
Firmware downloads are attached to the dedicated vX.Y.Z-esp32 releases.