feat: switch from OAuth2 token provider to workload token exchange - #33
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Replaces the OAuth2-based token provider with a WorkloadTokenProvider that uses token exchange, and updates all API clients and tests accordingly. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
wolf4ood
approved these changes
Jun 15, 2026
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Summary
OAuth2TokenProvider(client credentials flow via Keycloak) withWorkloadTokenProvider, which reads a Kubernetes-provided JWT from disk and exchanges it for a scoped token using RFC 8693 (OAuth 2.0 Token Exchange)TokenProviderinterface — removesclientId/clientSecretparameters; callers now passparticipantContextIdand scopesIdentityHubClientand slims downIdentityHubClientImplaccordinglyDataPlaneApiClientImpl,ManagementApiClientImpl,TenantManagerClientImpl) to use the new token provider via Spring@Qualifier("token-exchange")OAuth2TokenProviderTest(340 lines) and updates integration/unit tests to reflect new wiring