history_eduENGINEERING INSIGHTS · 官方技术专栏

Tumio Engineering Insights

In-depth architectural breakdowns, 60fps canvas performance secrets, local-first cryptography, and software craftsmanship from the Tumio engineering team.

Security & Local-First schedule5 min

MD-Vault Architecture: Zero-Dependency Local-First 2FA Password Vault for Markdown Geeks

How a simple habit of keeping passwords in text files evolved with AI and native WebCrypto into a zero-dependency, 100% air-gapped 2FA dashboard.

#Security #WebCrypto #TOTP #Local-First #Open Source

Xiang C2026-11-09

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Architecture & Performance schedule6 min

Building a 60fps Spatial Canvas from Scratch: Frustum Smoothing & Offline-First Collaboration

An architectural deep dive into FocusFlow's 60fps cinematic camera interpolation, infinite canvas rendering, and offline-first collaboration.

#Architecture #Canvas #60fps #Local-First

Xiang C2026-11-07

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Graphics & Canvas schedule6 min

Precision Edge Detection in Pure TypeScript: FocusFlow 2.5ms Morphological Filter

Achieving sub-2.5ms edge snapping for structured UI cards via pure TypeScript and classical morphological filtering.

#TypeScript #Canvas #Algorithms #Performance

Xiang C2026-11-05

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