• Merge pull request #842 from kaitranntt/kai/docs/841-docker-deployment-guide
• docs(docker): use docker cp for token migration and fix bcrypt command
• test(auth): verify effectiveAuthRequired logic for remote vs local access
• fix(docker): address review findings — test, docs, bcrypt path
• fix(auth): signal auth-required for remote access in /api/auth/check
• fix(docker): print auth setup reminder after remote deployment
• fix(ui): redirect to login when auth check fails from remote access
• fix(ui): hide version badge when API fails instead of showing v5.0.0
• docs(docker): add post-deployment guide for auth, token migration, and verification