Add SFTP data plane microservice with API key authentication and scoped permissions#12

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Copilot wants to merge 7 commits intomainfrom

copilot/add-sftp-data-plane-microservice

Commits on Jan 17, 2026

Initial plan
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Add SFTP data plane microservice with API key auth and audit logging

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okdargy
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Add SFTP service to docker-compose and swarm configurations

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okdargy
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Fix code review issues: use strings.Split, implement SHA-256 hashing, fix wildcard scopes

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okdargy
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Add database migration and API key creation script

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okdargy
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Add comprehensive implementation summary document

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okdargy
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fix: no sql migration, resource type + a pitiful attempt of using permission scope system
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