Remove a stray blank line in backend.proto and group the imports in
pkg/motion/validation.go. Decide the motion usecase guess from the
backend capability registry instead of a hardcoded backend name, so
variant builds of the backend resolve too. Declare the weights licence
in the gallery entry, as stated on the model card.
Assisted-by: Claude Code:claude-sonnet-5-5
Add the GEM-X native backend with live pose and root displacement output, bounded duplex WebSocket streaming, session authorization, metrics and usage accounting. Share the embedded bidirectional RPC channel adapter across streaming backends.
Include backend build and gallery integration, API documentation, schemas and tests.
Assisted-by: Codex:gpt-6
Signed-off-by: Richard Palethorpe <io@richiejp.com>
(cherry picked from commit 016dc3d71a)