Multi-tenant infrastructure: 4 production-bots on one $5 drop

4 production Telegram bots co-located on one DigitalOcean droplet (1 GB RAM, 1 vCPU) through isolated screen sessions. Modular skills directory — each capability is isolated and customizable for each client.

11 days uptime, 0 incidents, load average 0.00.

Features:
- Skill-based modular design — database, messaging, logging, approval
- Approval workflows for human-in-the-loop scenarios
- Fleet management: 4 production bots on one droplet, isolated screen sessions
- Reliability proven — production uptime measured in days, not hours

Stack: Python · LangChain · ChatAnthropic · screen · cron · modular skills architecture