66f49f2 feat: integrate refactored main agent with compatibility shims
d58bb31 fix: align tool recovery patches with new agent exports
5cc0cb6 chore: align agent api exports and CLI usage
ac20881 docs: add testing cadence to refactor plan
cfaefb8 docs: note CLI import hotfix in refactor plan
ced31af docs: outline phased main agent refactor plan
