[DNM] Migrate from A2A v0 to v1 (part 3)#1936

supreme-gg-gg wants to merge 20 commits into

jetc/feat/a2a-v1-migration-bkagent-dev/kagent:jetc/feat/a2a-v1-migration-bfrom

jetc/feat/a2a-v1-migration-ckagent-dev/kagent:jetc/feat/a2a-v1-migration-cCopy head branch name to clipboard