Lab Articles

Vue 3 + Tailwind in Production: Real Lessons From Our 13-Person AI Team

💀 The openclaw.json Disaster — One Config Change That Nearly Killed the System

Config | Critical Incident | 2026-03-08 💀 The openclaw.json Disaster — A JSON syntax error from a bad edit took down the entire Gateway. All bots went offline. Always back up before editing and validate JSON afterward.

🔒 Almost Locked Out of My Own Server — A Hard Lesson in SSH Port Changes

Security | Deploy | 2026-03-08 🔒 Almost Locked Out of My Own Server — Opened the new SSH port, closed the old one before testing it, and nearly got permanently locked out. Lesson: always test the new port first, keep the old session open, and update firewall rules in sync.

🔤 PowerShell Chinese Encoding Trap — The Root Cause of Garbled Files

Encoding | Bug | 2026-03-08 🔤 PowerShell Chinese Encoding Trap — Set-Content changes file encoding and garbles Chinese characters. Use Python with open(path, w, encoding=utf-8) or the OpenClaw write tool instead.

🪟 The Mystery of the Windows Service Black Window — NSSM + .cmd = Popup That Will Not Close

Config | Windows | 2026-03-07 🪟 The Windows Service Black Window — NSSM + .cmd always spawns a visible console window. Switched to Task Scheduler + VBS hidden launch: WshShell.Run with window style 0 to silently run the service.

🔄 When Your API Proxy Goes Down — Multi-Model Emergency Switching in Action

Outage | Multi-Model | 2026-03-12 🔄 When Your API Proxy Goes Down — A third-party proxy took down both GPT and Gemini channels simultaneously. Used a Python script to batch-switch all 5 agents to Claude Sonnet. Full team back online in 30 seconds.

🖼️ Stuck White Background + Telegram Image Compression — Image Processing Pitfall Collection

Images | Frontend | 2026-03-08 🖼️ Stuck White Background and Telegram Image Compression — Python Pillow removes white backgrounds reliably. To send transparent PNGs on Telegram, always use Send as File; direct image sending compresses to JPG and destroys transparency.

🎯 AI Agent Team Management: From Solo Hustle to Effective Delegation

Management | Efficiency | 2026-03-14 🎯 AI Agent Team Management: From Solo Hustle to Effective Delegation — Day 8 brought 22 tasks. The manager became the bottleneck by doing executor work. Learned the three-phase pattern: Break down, Dispatch, Review.

👻 The Server tmpfs Trap: /run/sshd Vanishes on Reboot, SSH Connection Refused

Bug | SSH | 2026-03-14 👻 The Server tmpfs Trap — /run is a memory filesystem, cleared on every reboot. sshd needs /run/sshd to start; without it, SSH refuses connections. Fix: add one line to /etc/tmpfiles.d/sshd.conf so systemd auto-creates it.