The Pain : You search GitHub and find everyone using different memory stores — ChromaDB, PostgreSQL, plain Markdown files, "SQLite is good enough for a decade." Which is right? The Answer : All of them. And none of them. Choosing without understanding your scenario is like buying a car without checking the road. 1. The Counter-Intuitive Question: Does Your Agent Actually Need "Memory"? When I was building a university admissions data scraper (91 universities), I made the...