What the Preview Token Actually Approves
A useful approval token has to bind the intended change, not the temporary directory which happened to render it.
// FIELD NOTES
Notebook
Small, durable observations from building and operating real systems—too focused for a full article, but useful enough to preserve.
Project
Kind
31 notes
August 2026
12 entriesThe State File Was Right. The Route Was Wrong.
The failover supervisor remembered the right state while the live routing tables had quietly stopped agreeing with it.
Three-Way Agreement Across the GLaDOS Judges
Nearly sixty percent of complete three-way judgments split, but the more important result is how strongly the direction and vocabulary of disagreement depend on the judge.
Why a GLaDOS Metaphor Triggered the Safety Review
A moderation category fired on GLaDOS's figurative register rather than on anything in the conversation, and most of a human review queue turned out to be one verbal habit.
The Tunnel Wasn't Down in Both Directions
Two iBGP links failed together, but their packet counters described two different underlay failures.
Moving the KNET Queue Onto the Router
A traffic policy cannot protect latency if the real queue has already formed in a modem or provider network.
Four Dead Nodes and a Flat Graph
The resource report looked excellent because most of the processes had stopped running.
When Generated BGP Config Parsed but Routing Failed
The generated BGP configuration parsed cleanly; the live routing policy was still wrong.
My Fast Disk Was Compressing Zeroes
A very impressive storage result turned out to be a very impressive ZFS compression result.
The Five-Millisecond Timer
Fabric was waking its entire multiplexer only 200 times per second.
Preventing Registry Read Failures From Withdrawing Every ROA
A failed registry read must not be interpreted as an instruction to withdraw every ROA.
Finding the Broken Delegation Above a Signed Zone
The reverse zone was signed correctly and hidden behind the wrong DNS delegation path.
July 2026
7 entriesRevoicing the Whole Assistant Side
Changing the final answer alone leaves the model's reasoning and tool behaviour speaking with somebody else's voice.
The 120B Model Learned the Bad Parts Too
More capacity did not repair the old GLaDOS corpus; it reproduced its shortcuts more convincingly.
What Belongs in SkyeEngine
How I decide whether code belongs in the engine or in the GLaDOS project.
Why Filenames Weren't Enough
An output directory with the expected name does not prove that it came from the expected inputs.
Stopping a Rewrite When Its Source Has Changed
A correction should stop when the conversation has changed underneath it.
What Counts as a Conversation?
Ten messages are easy to understand until some of them contain reasoning, tools and several assistant turns.
Handling Contract Changes Without Retrying Old Work
When acceptance changes the contract, sending the old packet back to a coder only makes the workflow repeat itself more confidently.
May 2026
6 entriesHandling Partial Output After an Agent Crash
A crashed turn may leave useful text and changed files, but neither should quietly acquire the authority of a completed response.
The SkyLight Test That Made the Control Worse
GS-ISSUE-006 pass 15 linked SkyAtmosphere admission state to captured cubemap content, but did not establish a root cause or production fix.
Recording EvidenceRunner Artifacts in the Manifest
Artifact paths, recipe cells, states and SHA-256 hashes need one durable record if a capture is meant to prove anything later.
Finding the Wrong Receiver Point in the Lighting Shader
SF-ISSUE-012 survived valid inputs and valid ray math because projected depth reconstructed a point that was not on the receiver sphere.
Why I Stopped Routing Agent Work by Hand
Copying work between agent windows is routing, state tracking and failure recovery disguised as clipboard use.
Scars Are Currency
Damage history, appearance, social consequence and magical power can share one accumulating system instead of four disconnected meters.
April 2026
3 entriesPer-Client Floating Origins for Planetary Multiplayer
Local numerical precision is a presentation concern; authoritative celestial placement must survive different client origins.
Body-Relative Gravity on a Spherical World
On a spherical body, gravity defines a local frame; movement, camera, animation and traces all have to use it.
Versioning Save Data as Ordered Chunks
Persistence became an explicit, versioned protocol instead of a reflection pass over whatever objects happened to exist.
March 2026
1 entryPreserving RPKI Manifest Counters Across Restarts
Restarting the RPKI publisher must not make its next manifest look older than the last one.
February 2026
1 entryNew Certificates and Clock Skew
A newly issued certificate failed on a machine whose only crime was having a slightly different clock.
May 2025
1 entryWhy 95.75% Reward Accuracy Hid a Bad Model
The preference evaluation looked excellent while the archived model had learned that refusing could sound very much like GLaDOS.
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