ZZyVOPinzyvop.hashnode.dev·13h ago · 19 min readPrompt & Rules Quality for Cursor, Windsurf, and Claude Code: The Complete Developer GuideAI coding agents forget everything the moment your session ends. Every new chat, every fresh terminal, every reset context window starts from zero — no memory of your linting rules, your folder conven00
ZZyVOPinzyvop.hashnode.dev·1d ago · 13 min readImplementing Passkey Authentication in NestJS and PostgreSQLWhy now In May 2026 the FIDO Alliance put a number on something that had been a trend for a few years: 5 billion passkeys are now in active use worldwide. The same report found 90 percent consumer awa00
ZZyVOPinzyvop.hashnode.dev·2d ago · 14 min readAnyDoc Architecture Review: Inside Firecrawl's Rust Document-to-Markdown StackEvery document pipeline eventually runs into the same problem: users do not upload documents in a format chosen by your engineering team. They upload a .docx contract, an old .xls spreadsheet, a Power00
ZZyVOPinzyvop.hashnode.dev·2d ago · 11 min readClaude Fable 5.1 and Mythos 5.1: One Model, Two Access LevelsAnthropic released Claude Fable 5.1 and Claude Mythos 5.1 on September 1. Calling them two models is slightly misleading. Underneath, Fable 5.1 and Mythos 5.1 are the same model. The difference is wha00
ZZyVOPinzyvop.hashnode.dev·3d ago · 12 min readHy4 Preview: Inside Tencent's 770-Billion-Parameter Open-Weight FlagshipA sharper attention mechanism, four residual streams, and aggressive API pricing — but a model this large still puts self-hosting firmly in data-center territory. On August 28, Tencent's Hy team relea00
