Writing by Kiran K SFounder lessons from Txtudio and Lofritex, engineering deep-dives and notes on planning work for AI coding agents, written from Kozhikode, Kerala.https://kirankrishnakumar.comen-inFingerprint to Firebase: lessons in boundarieshttps://kirankrishnakumar.com/writing/fingerprint-to-dashboardhttps://kirankrishnakumar.com/writing/fingerprint-to-dashboardHow a fingerprint sensor, an ESP8266, an Express app and Firebase made an IoT attendance system in 2022, and the trust boundaries I would draw today.Sat, 31 Oct 2026 00:00:00 GMTIoTESP8266FirebasesecurityOne year of Txtudio: four products, one standardhttps://kirankrishnakumar.com/writing/one-year-of-txtudiohttps://kirankrishnakumar.com/writing/one-year-of-txtudioTxtudio Coretech turns one. How our Kozhikode company went from events to a business suite, interior design and bank audit software, and its four principles.Sat, 31 Oct 2026 00:00:00 GMTTxtudiofounder notesB2B softwareKozhikode25 of 29 code-changing agent sessions had a planhttps://kirankrishnakumar.com/writing/plan-first-agent-sessionshttps://kirankrishnakumar.com/writing/plan-first-agent-sessionsA self-reported Paxel report on 696 of my AI agent sessions found 25 of 29 code-changing ones began from a plan. What I plan, and how I check the output.Sat, 31 Oct 2026 00:00:00 GMTAI agentsplanningcode reviewLofritex