feat(bq-plugin): Schema auto-upgrade, tool provenance (incl. A2A), HITL tracing, and span hierarchy fix#4556

caohy1988 wants to merge 1 commit intogoogle:maingoogle/adk-python:mainfrom

caohy1988:feat/bq-plugin-enhancements-4554caohy1988/adk-python:feat/bq-plugin-enhancements-4554Copy head branch name to clipboard