io.github.a2asdk a2a-java-sdk-server-common 1.0.0.Alpha3 1.0.0.Alpha3 0.2.3.Alpha1 0.2.3.Beta1 0.2.5.Beta1 0.2.5.Beta2 0.2.5 0.3.0.Alpha1 0.3.0.Beta1 0.3.0.Beta2 0.3.0.Final 0.3.1.Final 0.3.2.Final 0.3.3.Final 1.0.0.Alpha1 1.0.0.Alpha2 1.0.0.Alpha3 20260219151200