Release 5.6.2

Release ONDEWO CSI API 5.6.2

Improvements

• No API change: the two unused imports google/protobuf/timestamp.proto and google/protobuf/any.proto are
  removed from ondewo/csi/conversation.proto. No message, field, enum value or RPC changed, so a client built
  against 5.6.0 stays wire-compatible. The vendored APIs stay at ondewo-nlu-api 7.1.0, ondewo-s2t-api 7.5.0 and
  ondewo-t2s-api 6.6.0.
• All eleven client SDKs (python, nodejs, typescript, angular, js, cpp, csharp, go, java, php, rust) are released
  from this repository by make release_all_clients, generated with the pinned ondewo-proto-compiler 5.15.7. A
  read-only preflight_all_clients runs first and stops the run before anything is released when one client's
  credentials, version or release notes are not in order; a client is reported released only when its
  release_verify saw the tag, a non-empty GitHub release and the version served by its registry.
• Release credentials stay off command lines and out of the repository: the devops-accounts clone lives in a
  private temporary directory and is deleted before the release starts.
• Client SDK fixes shipped with this release:
  • python: the async S2sStream and GetControlStream wrappers return the stream instead of awaiting it, so
    both async streams can be opened at all (before, grpc.aio raised TypeError on the first call).
  • nodejs and js: the published packages no longer ship the TypeScript sources and spec files.
  • nodejs, typescript, js and angular: published to npm before anything is pushed, with the shipped package
    content checked against the committed tree; eslint is no longer pinned back to an older parser.
  • every SDK: a read-only release preflight, the full test suite before publishing, API-surface tests derived
    from the protos instead of hard-coded lists, pinned toolchain images and a registry check after publishing.

---