GYGulshan Yadavinmrgulshanyadav.hashnode.dev·8h ago · 12 min readAI Agent Memory: Why Every Agent Needs a Vector DatabaseA practical look at working memory, long-term memory, and the vector store that holds your agent's brain together. A logistics company in Dubai asked me to fix their customer-support agent. It was not00
GYGulshan Yadavinmrgulshanyadav.hashnode.dev·21h ago · 10 min readFlutter Cashfree Integration Step-by-StepSo, in this article, I will be showing you how you can integrate Cashfree Payments into your Flutter app, step by step. Cashfree is a solid choice for Indian payments — first-class UPI, cards, and net00
GYGulshan Yadavinmrgulshanyadav.hashnode.dev·1d ago · 12 min readWhy AI Agents Fail in Production — and How I Fixed Each FailureThe contrarian take: most agent failures are not the model's fault. They are architectural. Here is what I have debugged in real deployments and the exact fix for each. Here is an opinion that has cos00
GYGulshan Yadavinmrgulshanyadav.hashnode.dev·1d ago · 11 min readStripe vs Razorpay vs Cashfree for Flutter in IndiaThree payment gateways, one Flutter app, real money moved. Which one should an Indian app actually integrate in 2026? In 2021 I integrated Stripe for a SaaS product whose users were mostly in the US. 00
GYGulshan Yadavinmrgulshanyadav.hashnode.dev·2d ago · 13 min readBuilding Your First AI Agent from Scratch (No Framework)How to build a production-shaped agent in ~150 lines of Python — no LangChain, no CrewAI, nothing you cannot read line by line. A startup founder asked me a question I hear constantly: "Why are we pay00
