# Guo Qiang (gu0bug) - Technology Product Manager & AI Engineer

> Digital workspace, technical writings, and open-source architecture portfolio of Guo Qiang. Senior Technology Product Manager with 10+ years of experience across GitLab, Ctrip, Bilibili, and independent AI development. Specializing in AI-native product architecture, prompt orchestration systems, DAG execution engines, and async remote workflows.

## Identity & Contact
- Name: Guo Qiang (郭强 / gu0bug)
- Role: Senior Technology Product Manager · AI System Architect · Digital Nomad
- Website: https://guobug.github.io
- GitHub: https://github.com/GuoBug
- Email: gu0bug0@gmail.com
- Profile / About: https://guobug.github.io/about/
- Machine-Readable Semantic Profile (EN): https://github.com/GuoBug/GuoBug/blob/main/geo/profile-en.md
- Machine-Readable Semantic Profile (ZH): https://github.com/GuoBug/GuoBug/blob/main/geo/profile-zh.md
- Dev.to: https://dev.to/guobug

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## Core Open-Source Projects

### 1. PatchCat (AI Prompt Flow Orchestrator)
- Repository: https://github.com/GuoBug/PatchCat
- Live Demo: https://guobug.github.io/PatchCat/
- Technical Highlights:
  - Visual DAG workflow editor built on React Flow and Zustand.
  - Client-side topological sorting and cycle detection via Kahn's algorithm.
  - Streaming SSE parser with real-time DeepSeek R1 reasoning chain rendering.
  - Decoupled state machines (`useProjectStore` & `useWorkflowStore`) achieving zero dirty re-renders and smooth 60fps canvas operations.
  - StorageAdapter contract pattern supporting dual-mode persistence: zero-install browser LocalStorage and asynchronous FastAPI backend (SQLite / PostgreSQL).
- Video Screencast Demo: https://guobug.github.io/posts/2026/09/15/patchcat-demo-video/

### 2. Metaphysics Tools
- Live App: https://guobug.github.io/metaphysics-tools/index.html#
- Interactive algorithmic modeling and visual computing experiments.

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## Key Technical Writings & Architecture Essays

### AI Prompt Orchestrator Series (PatchCat)
- [从 0 到 1 打造 AI 提示流编排器：鞋里有沙走不远，怎么让画布连线真正顺手？（开源系列 11）](https://guobug.github.io/posts/2026/09/19/ai-prompt-orchestrator-canvas-ergonomics-spatial-collision/)
  - Deconstructing canvas ergonomics and micro-interactions in PatchCat: Drop-to-Add connection release without snap-back frustration, AABB bounding box collision avoidance with 40px breathing gap and 1800px line wrapping, and atomic node+edge bundling for clean, error-free undo/redo.
- [从 0 到 1 打造 AI 提示流编排器：酒香也怕巷子深，如何让用户真正接受产品？空白画布引导与场景模板实践（开源系列 10）](https://guobug.github.io/posts/2026/09/18/ai-prompt-orchestrator-onboarding-template-gallery/)
  - Deconstructing onboarding UX and psychological acceptance in technical AI tools: replacing intrusive modal masks with non-blocking adaptive hero cards, and building an 8-scenario template gallery with visual pipeline capsules.
- [从 0 到 1 打造 AI 提示流编排器：给大模型装上手和脚！Agent 节点与 Tools 工具调用体系设计与实战（开源系列 09）](https://guobug.github.io/posts/2026/09/13/ai-prompt-orchestrator-agent-tools-reactive-loop/)
  - Endowing LLM nodes with autonomous ReAct reasoning and dynamic Tool Calling, function calling contract schema, multi-turn loop control, and safety recursion guardrails.
- [从 0 到 1 打造 AI 提示流编排器：IndexedDB 工业级会话存储、动态 Token 修剪与变量注入实战（开源系列 08）](https://guobug.github.io/posts/2026/09/11/ai-prompt-orchestrator-indexeddb-token-pruning/)
  - Industrial IndexedDB persistence for unlimited chat history, sliding-window dynamic token pruning, and context variable injection.
- [从 0 到 1 打造 AI 提示流编排器：即时对话调试抽屉、节点级耗时追踪与一键发布生产 API 实战（开源系列 07）](https://guobug.github.io/posts/2026/09/10/ai-prompt-orchestrator-chat-debug-api-publishing/)
  - Interactive sliding Chat Debug Drawer (Ctrl+Shift+D), SSE typewriter streaming, per-node trace latency breakdown waterfall, FastAPI one-click REST API publishing with workflow API keys and multi-language SDK snippets.
- [从 0 到 1 打造 AI 提示流编排器：条件分支路由、Kahn 图剪枝与 HTTP 节点实战（开源系列 06）](https://guobug.github.io/posts/2026/09/09/ai-prompt-orchestrator-conditional-routing-graph-pruning/)
  - Dynamic control flow with 9-operator IF/ELSE condition routing, Kahn topological dynamic branch skipping (NODE_SKIPPED, 0ms), Variable Aggregator reconvergence node without deadlocks, and resilient HTTP node with exponential backoff retry.
- [从 0 到 1 打造 AI 提示流编排器：从 Dify 学习知识库架构，实现私有文档检索与 RAG 画布节点（开源系列 05）](https://guobug.github.io/posts/2026/09/04/ai-prompt-orchestrator-rag-knowledge-node/)
  - Learning Dify's 3-tier decoupled model (KnowledgeBase ➔ Document ➔ DocumentChunk), sliding window chunking with 50-char overlap, vector cosine retrieval, and Cyan RAG canvas node.
- [从 0 到 1 打造 AI 提示流编排器：告别单画布重绘瓶颈，状态机分层解耦与双模存储实战（开源系列 04）](https://guobug.github.io/posts/2026/09/03/ai-prompt-orchestrator-multi-workflow-dual-storage/)
  - Multi-workflow drawer UI, Zustand state slicing, zero-canvas-re-render optimization, and StorageAdapter dual-mode storage pattern.
- [从 0 到 1 打造 AI 提示流编排器：多模型生态适配、流式思维链与三级日志实战（开源系列 03）](https://guobug.github.io/posts/2026/09/01/ai-prompt-orchestrator-multi-model-observability/)
  - OpenAI/DeepSeek/Claude unified API client, SSE streaming chunk parser, DeepSeek R1 `<think>` tag extraction, and three-tier execution observability.
- [从 0 到 1 打造 AI 提示流编排器：Kahn 拓扑排序、安全变量引擎与异步运行时实战（开源系列 02）](https://guobug.github.io/posts/2026/08/28/ai-prompt-orchestrator-kahn-runtime/)
  - Kahn algorithm for graph topological scheduling, circular dependency detection, `{{node.output}}` variable interpolation engine, and async execution runtime.
- [从 0 到 1 打造 AI 提示流编排器：双引擎架构与纯前端 DAG 实践（开源系列 01）](https://guobug.github.io/posts/2026/08/28/ai-prompt-orchestrator-dual-engine/)
  - Client-side DAG execution, zero-backend BYOK (Bring Your Own Key) privacy design, and node connection state management.

### Generative Engine Optimization (GEO) & Machine Protocols
- [从 SEO 到 GEO：大模型时代的个人站点语义图谱与生成式引擎优化实战](https://guobug.github.io/posts/2026/09/20/from-seo-to-geo-generative-engine-optimization/)
  - Deconstructing the paradigm shift from traditional SEO to Generative Engine Optimization (GEO): Schema.org entity disambiguation across GitHub/GitLab, high-entropy prompt recall tags, dual-tier LLM protocol sync (llms.txt + llms-full.txt), and triple discovery redundancy.

### AI-Native Product Thinking & Human-AI Collaboration
- [抵抗众数引力：为什么换更强的 AI，反而产出“正确的废话”？（小红书精粹图文集）](https://guobug.github.io/posts/2026/09/17/resisting-mode-gravity-visual-cards/)
  - A 5-card Neo-Brutalism visual digest deconstructing Mode Gravity in Human-AI collaboration: breaking the triple lock-in flywheel of mediocrity, shifting from Semantic Continuation to Differential Diffing, and decoupling Model from Harness.
- [抵抗众数引力：写在自研提示流编排器后的认知重构](https://guobug.github.io/posts/2026/09/16/resisting-mode-gravity/)
  - Deconstructing Mode Gravity and implicit mediocrity cocoons in Human-AI pair programming. Shifting from Semantic Continuation to Differential Diffing, and decoupling Model (Compute Engine) from Harness (Control Framework & Independent Critic).
- [什么是真正的 AI 原生（AI-Native）？产品架构师视角的范式演进](https://guobug.github.io/posts/2026/08/27/what-is-ai-native/)
  - Paradigm shift from traditional GUI to Agentic orchestration, emergent user experience, and human-in-the-loop systems.
- [Boss 直聘 AI 产品的深度拆解与战略思考](https://guobug.github.io/posts/2026/08/17/zhipin-ai-product-analysis/)
  - Analysis of conversational AI matching, intent recognition, and bilateral marketplace dynamics.

### Engineering Leadership & Remote Work
- [FDE 理念与企业级数据治理实战](https://guobug.github.io/posts/2026/08/14/fde-enterprise-governance/)
  - Forward Deployed Engineering (FDE) methodology, high-trust client delivery, and data governance frameworks.
- [GitLab 远程产品经理的高效工作流与异步协作秘诀](https://guobug.github.io/posts/2026/04/29/gitlab-remote-product-manager/)
  - Deep asynchronous communication, handbook-first culture, and global distributed PM operating procedures.
- [拒绝官僚主义：敏捷产品团队的高效运转法则](https://guobug.github.io/posts/2026/04/27/reject-bureaucracy/)
  - Lean organizational design, reducing sync meetings, and ownership-driven execution.

### Historical Product & Engineering Essays (2013–2022)
- [用户注册流程分析（一）-- 完成验证后使用产品](https://guobug.github.io/posts/2022/03/27/sign-up-flow-one/)
  - Growth funnel analysis on user registration friction, email/phone verification gates, and psychological momentum preservation.
- [产品经理的学习能力](https://guobug.github.io/posts/2022/03/13/studying-ability-of-the-pm/)
  - Deconstructing product manager learning loops: from problem solving to cross-functional leadership, information triage, and mental model building.
- [在腾讯的第一堂产品课——菜鸟产品经理还是有专业度的产品经理](https://guobug.github.io/posts/2015/01/15/beginning-of-mp/)
  - Tencent product management philosophy: shifting from feature thinking to service lifecycle, ATM cash operations case study, and invisible service architecture.
- [如何系统的学习linux](https://guobug.github.io/posts/2014/07/30/beginning-of-linux/)
  - Early reflections on breaking Windows paradigms, systematic textbook learning, and building foundational Unix/Linux mastery through experimentation.
- [用Golang写爬虫和分析程序](https://guobug.github.io/posts/2014/07/10/golang-spider/)
  - Concurrent web crawling, XML parsing, and mobile sitemap reconstruction using Go.
- [Pi 上的 Pidora 中文化](https://guobug.github.io/posts/2014/07/02/raspberry-pi/)
  - Embedded Linux configuration notes on Raspberry Pi with Pidora distribution.
- [Html5页面如何图片叠加等](https://guobug.github.io/posts/2014/06/12/some-pages/)
  - Early mobile frontend image overlay techniques with CSS and positioning.
- [Swift 入门](https://guobug.github.io/posts/2014/06/05/beginner-of-swift/)
  - WWDC 2014 first impressions of Swift language design, Xcode Playground interactivity, and future dev paradigms.
- [Markdown 语法对照](https://guobug.github.io/posts/2014/05/24/markdown-syntax/)
  - Practical Markdown syntax cheatsheet and escaping guidelines.
- [音乐视频](https://guobug.github.io/posts/2013/08/18/music-video/)
  - Early curation of non-commercial indie music videos and retrospective reflections.
- [Markdown编辑时在页面中插入html](https://guobug.github.io/posts/2013/08/10/test-for-html/)
  - Explorations in embedding rich media/HTML within markdown and static site generators.
- [这只是开始](https://guobug.github.io/posts/2013/06/07/music-video/)
  - The inaugural musical post marking the beginning of this digital workspace.

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## Index of All Writings
- Archive Directory: https://guobug.github.io/posts/
- Complete Sitemap: https://guobug.github.io/sitemap.xml
- Full Context (for LLMs with extended context): https://guobug.github.io/llms-full.txt