Defense plan after a July 25 spike in invalid CN SMS requests: one-time ticket signing, rate limits with CAPTCHA, dynamic quotas from login success rate, blacklist by phone/device/IP, device fingerprint rules per platform, and product changes to de-emphasize SMS login.

8/1/2025 · 2 min read

Recreating Figma designs with Trae

Setup: add Puppeteer (browser inspection) and Figma AI bridge in Trae. Workflow: copy design JSON via Figma to Cursor plugin; use Figma MCP with the frame link so the model lists required assets; refine in Trae. Pitfalls: AI cannot export recolored bitmaps—strict design specs; models add extra UI; …

7/27/2025 · 1 min read

Reading Notes

Fixing Quantumult X proxy issues on macOS

Quantumult X relies on the system proxy—make sure no other policy or app interferes. Open System Settings → Network → Wi-Fi → Proxies. Set HTTP and HTTPS manually to 127.0.0.1 on Quantumult X’s listen port (default 6152). Do not enable “Auto Proxy Discovery” or “Automatic Proxy Configuration.”

4/8/2025 · 1 min read

work

Deriving Early-Stage North Star Metrics for Voice-Room Apps

Evaluating candidate metrics for voice-room apps: active users and session duration fail to reflect core value (interaction and coin spend). New-user mic rate within 7 days aligns with engagement, retention, and monetization—supported by sub-metrics and execution priorities for cold start.

1/24/2025 · 3 min read

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Tech Stack

AI / LLM

Product Strategy

Overseas Growth

Mobile Tools

VPN / Accelerator

Interaction Design

Next.js

TypeScript

Figma Plugins

iOS / Swift