--- title: "#luhuidev articles | Hashnode" description: "Explore 9 articles tagged #luhuidev on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/luhuidev" --- Tag # #luhuidev 9 posts · 0 followers [Luhui Dev](https://hashnode.com/@luhui) · [Jun 26](https://hashnode.com/posts/what-is-loopcraft-from-prompt-engineering-to-agent-loop-system-design/6a3e59e18dbf96aaed00be1e) ### [What Is Loopcraft? From Prompt Engineering to Agent Loop System Design](https://luhui.hashnode.dev/what-is-loopcraft-from-prompt-engineering-to-agent-loop-system-design?utm_source=hashnode&utm_medium=feed) https://luhuidev.com/en/essays/prompt-engineering-loopcraft-agent-loops 12 min read · [luhui.hashnode.dev](https://luhui.hashnode.dev/what-is-loopcraft-from-prompt-engineering-to-agent-loop-system-design?utm_source=hashnode&utm_medium=feed) [Luhui Dev](https://hashnode.com/@luhui) · [Jun 12](https://hashnode.com/posts/claude-code-incident-review-what-anthropic-s-three-production-bugs-teach-agent-engineers/6a2c16334e433d40f174de04) ### [Claude Code Incident Review: What Anthropic's Three Production Bugs Teach Agent Engineers](https://luhui.hashnode.dev/claude-code-incident-review-what-anthropic-s-three-production-bugs-teach-agent-engineers?utm_source=hashnode&utm_medium=feed) A practical review of three Anthropic Claude Code production incidents, covering reasoning history, system prompts, cache invalidation. 7 min read · [luhui.hashnode.dev](https://luhui.hashnode.dev/claude-code-incident-review-what-anthropic-s-three-production-bugs-teach-agent-engineers?utm_source=hashnode&utm_medium=feed) [Luhui Dev](https://hashnode.com/@luhui) · [May 28](https://hashnode.com/posts/deepmind-alphaproof-nexus-explained-4-system-paradigms-for-ai-math-research/6a185704735ed97a11354086) ### [DeepMind AlphaProof Nexus Explained: 4 System Paradigms for AI Math Research](https://luhui.hashnode.dev/deepmind-alphaproof-nexus-explained-4-system-paradigms-for-ai-math-research?utm_source=hashnode&utm_medium=feed) A breakdown of how DeepMind AlphaProof Nexus combines LLMs, Lean, AlphaProof, evolutionary search, and multi-agent orchestration into a formal proof 11 min read · [luhui.hashnode.dev](https://luhui.hashnode.dev/deepmind-alphaproof-nexus-explained-4-system-paradigms-for-ai-math-research?utm_source=hashnode&utm_medium=feed) [Luhui Dev](https://hashnode.com/@luhui) · [May 20](https://hashnode.com/posts/lessons-from-langchain-designing-a-reliable-runtime-for-production-grade-agents/6a0dc655b1ed7bce01e5e1d0) ### [Lessons from LangChain: Designing a Reliable Runtime for Production-Grade Agents](https://luhui.hashnode.dev/lessons-from-langchain-designing-a-reliable-runtime-for-production-grade-agents?utm_source=hashnode&utm_medium=feed) A practical breakdown of LangChain's Runtime for production deep agents — durable execution, layered state, human-in-the-loop, permissions ... 17 min read · [luhui.hashnode.dev](https://luhui.hashnode.dev/lessons-from-langchain-designing-a-reliable-runtime-for-production-grade-agents?utm_source=hashnode&utm_medium=feed) [Luhui Dev](https://hashnode.com/@luhui) · [May 13](https://hashnode.com/posts/anthropic-managed-agents-2026-agent-harness-architecture-for-production-ai-agents/6a047e18a0c154027739d100) ### [Anthropic Managed Agents: 2026 Agent Harness Architecture for Production AI Agents](https://luhui.hashnode.dev/anthropic-managed-agents-2026-agent-harness-architecture-for-production-ai-agents?utm_source=hashnode&utm_medium=feed) A practical breakdown of Anthropic Managed Agents, covering agent harness architecture, sessions, sandboxes, credentials, context builders, traces... 12 min read · [luhui.hashnode.dev](https://luhui.hashnode.dev/anthropic-managed-agents-2026-agent-harness-architecture-for-production-ai-agents?utm_source=hashnode&utm_medium=feed) [Luhui Dev](https://hashnode.com/@luhui) · [May 10](https://hashnode.com/posts/dino-gsp-major-update-algeo-sdk-2-0-embedded-editing-mode-is-now-available/6a00a22be3eebc2e20952ca9) ### [Dino-GSP Major Update: Algeo SDK 2.0 embedded editing mode is now available](https://luhui.hashnode.dev/dino-gsp-major-update-algeo-sdk-2-0-embedded-editing-mode-is-now-available?utm_source=hashnode&utm_medium=feed) Algeo SDK 2.0 gives EdTech teams, AI math platforms, tutoring products, and question banks an embeddable dynamic geometry editor with structured data 8 min read · [luhui.hashnode.dev](https://luhui.hashnode.dev/dino-gsp-major-update-algeo-sdk-2-0-embedded-editing-mode-is-now-available?utm_source=hashnode&utm_medium=feed) [Luhui Dev](https://hashnode.com/@luhui) · [May 4](https://hashnode.com/posts/ahe-deep-dive-how-coding-agent-harnesses-automatically-evolve/69f8b90d46610fd606f7c53a) ### [AHE Deep Dive: How Coding Agent Harnesses Automatically Evolve](https://luhui.hashnode.dev/ahe-deep-dive-how-coding-agent-harnesses-automatically-evolve?utm_source=hashnode&utm_medium=feed) A practical deep dive into Agentic Harness Engineering, coding agent harness design, agent observability, middleware, memory, evaluation, rollback. 14 min read · [luhui.hashnode.dev](https://luhui.hashnode.dev/ahe-deep-dive-how-coding-agent-harnesses-automatically-evolve?utm_source=hashnode&utm_medium=feed) [Luhui Dev](https://hashnode.com/@luhui) · [Apr 22](https://hashnode.com/posts/why-signatures-make-automatic-optimization-easier-than-writing-prompts-directly/69e8d11f5d1c10710553982f) ### [Why Signatures Make Automatic Optimization Easier Than Writing Prompts Directly](https://luhui.hashnode.dev/why-signatures-make-automatic-optimization-easier-than-writing-prompts-directly?utm_source=hashnode&utm_medium=feed) A practical DSPy tutorial for AI builders in North America. Learn how DSPy Signatures, Modules, and Optimizers improve prompt engineering, 9 min read · [luhui.hashnode.dev](https://luhui.hashnode.dev/why-signatures-make-automatic-optimization-easier-than-writing-prompts-directly?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/why-signatures-make-automatic-optimization-easier-than-writing-prompts-directly/69e8d11f5d1c10710553982f) [Luhui Dev](https://hashnode.com/@luhui) · [Mar 8](https://hashnode.com/posts/alphageometry-dsl-guide-google-geometry-dsl-defs-txt-actions-and-predicates/69ad2b1686766ac3a61385af) ### [AlphaGeometry DSL Guide: Google Geometry DSL, defs.txt Actions, and Predicates](https://luhui.hashnode.dev/alphageometry-dsl-guide-google-geometry-dsl-defs-txt-actions-and-predicates?utm_source=hashnode&utm_medium=feed) A technical guide to AlphaGeometry DSL covering problem format, defs.txt action definitions, geometric predicates, rules.txt reasoning, and constructi 10 min read · [luhui.hashnode.dev](https://luhui.hashnode.dev/alphageometry-dsl-guide-google-geometry-dsl-defs-txt-actions-and-predicates?utm_source=hashnode&utm_medium=feed)