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FIELD NOTES & DISPATCHES•Vol. 2026
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Engineering, Systems & Software Craft

Candid architectural post-mortems, deterministic AI pipelines, and practical distributed systems from the trenches of building StartupWire and Sentinel Guard.

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Kuldeep Chandra Vishwakarma•Software Engineer & Founder
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Lead DispatchNext.js
2026-08-05•8 min read

Migrating to Next.js 16 & Turbopack: What Broke, What Flew, and Edge Gotchas

A candid engineering post-mortem on adopting Next.js 16 App Router and Turbopack in production—addressing server action serializations, edge routing caveats, and sub-second cold builds.

Written by Kuldeep
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All Articles (15)Sorted Chronologically
Artificial Intelligence
2026-08-04•7 min read

Taming LLM Hallucinations: Enforcing Strict JSON Schemas with Gemini 1.5 Flash

How we eliminated flaky prompt outputs by shifting from natural language coercions to type-safe response schemas and Zod validation in production AI pipelines.

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System Design
2026-08-03•9 min read

Vector Deduplication at Millisecond Latency: Real-World pgvector in PostgreSQL

Architecting an automated news deduplication engine using Supabase pgvector embeddings, cosine distance thresholds, and HNSW indexes.

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Programming
2026-08-01•6 min read

Why We Adopted Tailwind CSS v4: CSS-First Architecture & Zero-Config Theming

Reflections on discarding tailwind.config.js for native CSS variables, @theme directives, and container query workflows in high-performance web applications.

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Programming
2026-07-30•6 min read

Defensive TypeScript: Bulletproofing API Boundaries with Zod Validators

Why static TypeScript types provide zero runtime safety, and how contract-first schema parsing prevents corrupt database entries and elusive runtime crashes.

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React
2026-07-26•5 min read

Ditching Complex State Machines: Why We Replaced Redux with Lightweight Zustand

Building a snappy local-first React state layer without Provider trees, boilerplate reducers, or selector re-render cascades.

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Architecture
2026-07-22•8 min read

Zero-Downtime Webhook Relays: HMAC Signatures, Concurrency & Edge Queues

Engineering an enterprise-grade webhook gateway inside Next.js App Router featuring constant-time HMAC validation and non-blocking background dispatching.

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System Design
2026-07-18•9 min read

Serverless PostgreSQL at Scale: Optimizing Prisma ORM with Neon Connection Pooling

Navigating connection limits, cold-start latency, and relational modeling across serverless edge functions and autoscaling Postgres databases.

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Linux
2026-07-14•7 min read

Trimming Docker Containers from 1.2GB to 48MB: Multi-Stage Node.js Builds

Practical container optimization tactics: Alpine bases, standalone Next.js outputs, dependency pruning, and unprivileged user hardening.

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Open Source
2026-07-08•6 min read

Automating Engineering Telemetry with GitHub's REST API & Clean Git Rebasing

Building live developer activity streams, handling GitHub API rate limits with conditional caching, and maintaining linear git histories.

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Artificial Intelligence
2026-07-11•6 min read

Building an Automated AI News Feed using Next.js & Gemini

A practical, first-person guide on parsing RSS feeds, filtering content with Google Gemini, and publishing automated tech summaries.

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System Design
2026-07-09•5 min read

How to Achieve a 100 Lighthouse Performance Rating in Next.js

Practical front-end optimization techniques I used to get a perfect Lighthouse score on my portfolio and StartupWire.

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Cybersecurity
2026-07-04•8 min read

Cybersecurity Checklist for Web Developers in 2026

Avoid common security pitfalls like XSS, CSRF, and SQL injections by adopting secure coding habits early on.

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Frontend & UI
2026-08-20•9 min read

Designing an Interactive CLI & Cyberpunk HUD Terminal in Next.js 16

A deep architectural guide to crafting an ultra-fast developer HUD with monospaced JSON views, animated reticle overlays, and an interactive shell sandbox in React 19.

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AI & LLMs
2026-08-14•10 min read

Autonomous AI Reasoning Agents: Structuring Deterministic Workflows with Gemini & Zod

Master agentic workflow orchestration, schema-constrained LLM generation, recursive tool calling, and defensive error mitigation for mission-critical applications.

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