improvements and fixes

[Creationsss]

• removed git token support ( not needed )
• updated compose to use git package, and dockerfile for git desc
• added git process exit code checking
• added timing safe api key comparison for admin endpoints
• fixed path traversal with realpath validation
• fixed git lock race condition with atomic lua script
• made health check use dynamic service list from config
• replaced hardcoded service lists with configderived
• added redis error handling with partial results
• added graceful shutdown with request tracking
• added file operation timeouts
• added redis connection cleanup on shutdown
• standardized error responses across routes
• added request id for logging

[Creationsss]

real