Blog & Insights — ScriptWalker

2026.09.03 · 25 views

What We Do for 40 Minutes Every Monday at 9:20: After Renovate, composer audit and Trivy, the Question Only a Human Can Answer

Machines scan daily, humans triage weekly, and there are only three verdicts — fix today, fix this sprint, or write down why we won't.

How to Build a Subscription Billing System: Mandates, Failed-Charge Retries, Downgrades and Retention

Services

2026.09.03 · 31 views

How to Build a Subscription Billing System: Mandates, Failed-Charge Retries, Downgrades and Retention

The hard part is never the first payment. It is the thirteenth — and 217 zombie subscriptions is what happens when nobody defines what follows a failed charge.

One in Three Perplexity Citations Won't Open or Doesn't Carry the Number: A 2,915-URL Audit Dismantles the GEO Premise

AI & Automation

2026.09.03 · 39 views

One in Three Perplexity Citations Won't Open or Doesn't Carry the Number: A 2,915-URL Audit Dismantles the GEO Premise

Haus Research fetched every citation Perplexity returned and grepped for the figure. 34.7% failed the most generous possible check — and the breakage is engineering, not marketing.

AI for Taiwan's Machine Tool and Precision Machining SMEs: Cutting Quote Turnaround From 4 Hours to 20 Minutes

AI Industry Use Case

2026.09.02 · 53 views

AI for Taiwan's Machine Tool and Precision Machining SMEs: Cutting Quote Turnaround From 4 Hours to 20 Minutes

Taiwan has roughly 1,100 machine tool and component makers, over 95% of them SMEs. A field guide to inquiry triage, quote drafting and multilingual technical Q&A, with a real tool stack, an 8-month payback model and an 18-week rollout plan.

Building a Digital Voucher and QR Redemption System: From Issuing to Scanning to Reconciliation

Services

2026.09.02 · 59 views

Building a Digital Voucher and QR Redemption System: From Issuing to Scanning to Reconciliation

Why the hard part is never generating the QR code — it is the redemption state machine, offline tolerance, and Taiwan's gift-voucher rules

Google Shipped AI Impression Data to Every Website on Aug 31 — And a Switch to Turn Yourself Off

AI & Automation

2026.09.02 · 58 views

Google Shipped AI Impression Data to Every Website on Aug 31 — And a Switch to Turn Yourself Off

Search Console's generative AI performance report and opt-out toggle are now global. The report has impressions but no clicks and no queries — here is what that omission is worth, and how to rebuild the missing columns without a single SaaS subscription.

SaaS, PaaS, IaaS and Multi-Tenant: The Buy-Land-or-Rent-an-Office Guide for Business Owners

Tech Glossary

2026.09.01 · 41 views

SaaS, PaaS, IaaS and Multi-Tenant: The Buy-Land-or-Rent-an-Office Guide for Business Owners

When a vendor says "we are SaaS, multi-tenant", the three questions that actually matter are: how is my data isolated, where is the customization ceiling, and what does it cost to leave.

Whose Name Is on the Payment, Cloud and App Store Accounts? The Most Expensive Invisible Clause in an Outsourcing Contract

Services

2026.09.01 · 39 views

Whose Name Is on the Payment, Cloud and App Store Accounts? The Most Expensive Invisible Clause in an Outsourcing Contract

An 8-category account ownership matrix, contract clauses you can paste as-is, and why letting the vendor register everything costs an estimated NT$210,000 and 38 working days later

Services

2026.09.01 · 41 views

How to Build a Loyalty Points System: Ledger Design, Refund Clawbacks and Points Liability

Decide what one point costs before you write a line of code — and never store free points and paid stored-value points in the same table