Notes from the workshop. How Tessel gets built.
Engineering write-ups, customer stories and field guides. Written by the people who ship the runtime, answer the pages and sit in on month-end close.
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Customers
6
min read
Month-end close in two days at Halden
Halden replaced 31 cron jobs with one workspace. Ingrid Valk explains how finance ops cut close from six days to two.
Product
7
min read
Agents need budgets, not just prompts
A prompt says what an agent should do. A spend cap, a tool list and a named approver say what it may never do.
Operations
8
min read
A field guide to approval steps
Where to put a person in the loop, who should be the backup, and how long a run should wait before it escalates.
Engineering
5
min read
Replaying last week before you ship
How replay runs a draft workflow against seven days of real events and shows the diff before anything reaches production.
Engineering
6
min read
Why every block compiles to TypeScript
Readable code you can review, test and take with you. Why we chose TypeScript as the output of every logic block.
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