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Field Notes: Temperature 0 Did Not Reproduce My Outputs, so I Built a Drift Ledger
The assumption I started with My nightly job reads a batch of support tickets and emits a JSON plan describing which tickets to merge, which to escalate, and who owns each step. It had been running from my laptop for a few weeks, and I trusted it because I set temperature: 0 and the answers "loo...
What 8,450 Appliance Records Actually Contain: A Self-Crawl
I wanted a real coverage number for our own appliance database, not a vibe. So I crawled it. The trigger was boring.
Presigned File Upload for SaaS: URL Delivery or Relaying Through the Server?
The constraint that changes this decision is not file size; it is which system must absorb every uploaded byte during a traffic spike. Short answer: use a short-lived signed URL for direct browser uploads of ordinary private documents, while keeping authorization and metadata creation on the app...
0rwx – A simple model of AI usage, inspired by Unix permissions
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A zero is not a measurement until you have run the positive control
Everything below reads public files in dotnet/aspnetcore through the GitHub API. No clone, no build, no credentials beyond a logged-in gh . I ran each of these on 7 Nov 2026 against main .
How a Browser Trains a Neural Network: Tensors as Textures, Ops as Shaders
You can open a tab, click a button, and watch an LSTM's loss curve go down. No server, no Python environment, no CUDA. How does that work?