- Add generate-monitoring-secrets.sh script that creates random passwords
- Auto-configure Prometheus with generated password hash
- Auto-configure Grafana datasource with same random password
- Update setup-server.sh to include monitoring setup
- Remove hardcoded Prometheus credentials from repository
- Keep Grafana default admin password for user configuration
- Generate secure 16-character random passwords for each deployment
- Store generated credentials in monitoring/.env.generated (gitignored)
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