refactor: enhance Cloudflare outbound proxy with improved request patching, robust header handling, and secure environment configuration.

feat: enhance Cloudflare proxy with shared secret support, add uptime monitoring features, and improve startup timeout handling

refactor: improve graceful shutdown sequencing in start.sh, remove redundant final sync in n8n-sync.py, and update host resolution in health-server.js

feat: update status to synced when no state changes are detected

refactor: remove python3 symlink redirection and add default N8N_LOG_LEVEL configuration

chore: rename python3 to python3-sync to avoid conflicts in container execution environment

refactor: optimize startup, improve security, and simplify n8n configuration for v2 compatibility

feat: add open-source files, fix critical bugs, rewrite README with Duplicate Space button

initial commit