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Youzan Coder
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Youzan Coder

Official Youzan tech channel, delivering technical insights and occasional daily updates from the Youzan tech team.

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Recent Articles

Latest from Youzan Coder

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Youzan Coder
Youzan Coder
Jun 6, 2025 · Artificial Intelligence

How AI Agents Turn Manual Data Retrieval into Fully Automated Insights

This article examines the challenges of manual data extraction in data‑driven enterprises, explains why large language models alone fall short, and details how the Cursor‑Agent framework automates end‑to‑end querying, knowledge‑base integration, and result validation to become a self‑sufficient "data master" for both technical and non‑technical users.

AI AgentCursor AgentData automation
0 likes · 26 min read
How AI Agents Turn Manual Data Retrieval into Fully Automated Insights
Youzan Coder
Youzan Coder
May 30, 2025 · Artificial Intelligence

AI‑Driven Automated Testing System: Architecture, Workflow, and Benefits

The article introduces an AI‑driven automated testing system that streamlines code self‑testing, improves impact assessment, and generates comprehensive test reports, detailing its modular architecture, workflow, AI test engine, and future enhancements such as UI simulation and AI‑generated unit tests.

AIAI testingautomated testing
0 likes · 9 min read
AI‑Driven Automated Testing System: Architecture, Workflow, and Benefits
Youzan Coder
Youzan Coder
May 23, 2025 · Artificial Intelligence

How LLMs Supercharge SaaS Alert Monitoring: An AI‑Powered Workflow

This article explains how a SaaS company leveraged large language models to automatically ingest, enrich, and analyze stability alerts, turning noisy notifications into actionable insights through configurable pipelines, Feishu integration, and a streamlined AI workflow that boosts incident response speed and reduces manual effort.

AIAlert MonitoringAutomation
0 likes · 6 min read
How LLMs Supercharge SaaS Alert Monitoring: An AI‑Powered Workflow
Youzan Coder
Youzan Coder
May 12, 2025 · Artificial Intelligence

How Large Language Models Empower Business Development Engineers: Data Analysis, Model Training, and Rapid Prototyping

This article demonstrates how large language models can augment business development engineers by providing data insight, automating algorithm training, and enabling low‑cost rapid product prototyping, thereby transforming traditional backend‑focused roles into full‑stack, AI‑enhanced innovators.

AIData AnalysisPython
0 likes · 10 min read
How Large Language Models Empower Business Development Engineers: Data Analysis, Model Training, and Rapid Prototyping
Youzan Coder
Youzan Coder
May 8, 2025 · Artificial Intelligence

Building and Optimizing a Store Smart Assistant with Aily: Architecture, Workflow, and Practical Lessons

The article details how Youzan’s Store Smart Assistant was built on the Feishu Aily platform, describing why Aily was chosen, the three‑stage development process, deep system integration, practical tips for knowledge‑base management and model stability, and the resulting efficiency gains such as handling 80% of routine queries.

AI AssistantAily platformKnowledge Base
0 likes · 24 min read
Building and Optimizing a Store Smart Assistant with Aily: Architecture, Workflow, and Practical Lessons
Youzan Coder
Youzan Coder
Apr 25, 2025 · Artificial Intelligence

AI-Powered Code Review System: Design, Implementation, and Lessons Learned

The team built a low‑cost AI‑powered code‑review assistant that injects line‑level comments into GitLab merge requests, using LLMs via Feishu, iterating quickly through MVP and optimization phases, achieving 64 integrations, 150+ daily comments, feedback‑driven prompt refinement, and demonstrating high ROI for small‑to‑medium teams while outlining future IDE and rule‑based extensions.

AIAutomationGitLab
0 likes · 17 min read
AI-Powered Code Review System: Design, Implementation, and Lessons Learned
Youzan Coder
Youzan Coder
Nov 13, 2024 · Big Data

How a Unified Metric Service Transforms Data Queries with Headless BI

Facing inconsistent metrics and low reuse in siloed data services, the team built a unified metric service using a headless BI semantic layer and virtual data models, enabling consistent metric definitions, reusable data models, AI-friendly queries, and faster, scalable reporting across the organization.

Data ModelingHeadless BILLM integration
0 likes · 17 min read
How a Unified Metric Service Transforms Data Queries with Headless BI
Youzan Coder
Youzan Coder
Jun 21, 2024 · Frontend Development

Visual Regression Testing: Page Comparison Tool Implementation at YouZan

YouZan implemented a BackstopJS‑based visual regression testing platform that automatically compares pre‑release and production pages, managing cases, scenarios, tags and selectors, which now runs over 1,000 tests, saves roughly 300 person‑days per year, has uncovered more than 100 e‑commerce issues, and is being extended to mini‑programs, React/Vue component checks, and traffic‑playback UI monitoring.

BackstopJSautomated testinge2e testing
0 likes · 12 min read
Visual Regression Testing: Page Comparison Tool Implementation at YouZan
Youzan Coder
Youzan Coder
Nov 7, 2023 · Artificial Intelligence

Can ChatGPT Boost Fuzz Testing? A Practical Exploration of AI‑Generated Test Cases

This article examines how ChatGPT can be combined with fuzz testing to automatically generate test cases, detailing the research process, design, implementation, performance metrics, discovered bugs, limitations, and future plans for improving AI‑driven automated testing in a real‑world e‑commerce environment.

AIChatGPTTest case generation
0 likes · 26 min read
Can ChatGPT Boost Fuzz Testing? A Practical Exploration of AI‑Generated Test Cases