Merge pull request #4 from modern-python/chore/faststream-0.7-migration

chore: migrate to faststream 0.7 (drop <0.7 support)

Merge pull request #3 from modern-python/chore/pin-faststream-pre-0.7

chore: pin faststream <0.7, swap build backend, adopt cov gate, add CLAUDE.md

Merge pull request #1 from modern-python/move-to-separate-repo

move faststream integration to separate repo