fix: [BUG] [make compose up failed] panic: failed to start tenant "cozeloop"

[Roshan931]

Fixes #515

Root cause

RocketMQ init container reports success even when topic creation fails

Changes

• Made the RMQ bootstrap init script fail loudly instead of silently: per-topic background jobs are now waited on individually so any failure sets a non-zero exit, mutating mqadmin calls (updateTopic/updateSubGroup) are retried up to 3 times, and a final verification asserts every configured topic is present in the namesrv topic list before the init container reports completion. Mirrored identically in the docker-compose and Helm bootstrap copies.

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