How I Built a Multi-System Astrology Bot in Python (And What Meta Banned Me For)

I built a Telegram bot that combines 13 astrology systems into one daily forecast. After a month live: 83 users, 9% DAU/MAU, and a Meta ban on the English account for predictable bot-posting patterns. Below — the LLM-cost architecture (a one-sentinel trick that cut the bill 99%), a hallucination guard for Gemini, the latent IndexError that crashed the bot on a new moon, and what to do differently if you auto-post to Instagram and Threads.