[WIP] feat: support role cooridination #69
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Ⅰ. Motivation
#59
Ⅱ. Modifications
Ⅲ. Does this pull request fix one issue?
fixes #XXXX
Ⅳ. List the added test cases (unit test/integration test) if any, please explain if no tests are needed.
Ⅴ. Describe how to verify it
VI. Special notes for reviews
Checklist
make fmt.