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* feat(a2a): add watsonx Orchestrate agent provider Bridge A2A message/send to WXO runs API (CP4D and IBM Cloud IAM auth), with dashboard agent type metadata and unit tests for transformations. Co-authored-by: Cursor <cursoragent@cursor.com> * fix(a2a): use shared httpx client and cache WXO auth tokens Route WXO streaming through get_async_httpx_client (TLS verification enabled). Cache bearer tokens with TTL buffer. Extract A2A reply text via a dedicated helper instead of hard-coded JSON paths. Co-authored-by: Cursor <cursoragent@cursor.com> * fix(a2a): treat CP4D token expiration as absolute Unix time CP4D /authorize returns expiration as epoch seconds, not TTL. Compute remaining lifetime against wall clock so cached tokens refresh before expiry. Co-authored-by: Cursor <cursoragent@cursor.com> * style(a2a): black-format watsonx orchestrate handler for CI py312 Co-authored-by: Cursor <cursoragent@cursor.com> * Fix watsonx orchestrate edge cases * Fix WXO streaming fallback error handling * Fix watsonx orchestrate run completion handling * fix(a2a): make WXO username optional in agent create UI Username is only required for cp4d auth; ibm_cloud uses api_key alone. Backend still validates username when auth_mode is cp4d. Co-authored-by: Cursor <cursoragent@cursor.com> * test(a2a): align WXO dashboard field test with optional username Username is not required in agent_create_fields.json; backend validates for cp4d auth_mode only. Co-authored-by: Cursor <cursoragent@cursor.com> * fix(a2a): send Accept header on WXO streaming run request * fix(a2a/wxo): scope streaming transport fallback to initial POST only Narrow the httpx.TransportError fallback in handle_streaming so it only covers the initial POST /runs/stream. Errors during polling or SSE consumption now propagate instead of triggering handle_non_streaming, which would have submitted a duplicate WXO run for the same request. * refactor(a2a/wxo): type run-param extraction and use text response_type Return a typed WXORequestParams NamedTuple from _extract_litellm_params instead of a positional tuple so call sites read params by name, and send the user message with response_type 'text' so the run body is valid across all WXO agent configurations rather than the search-specific type. * fix(a2a/wxo): evict expired token cache entries and raise asyncio.TimeoutError on poll timeout --------- Co-authored-by: Cursor <cursoragent@cursor.com> Co-authored-by: mateo-berri <277851410+mateo-berri@users.noreply.github.com>