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Liveness Without Health Is Theater
A heartbeat that fires on every run proves a job ran, never that it succeeded — the fix is two markers plus meta-monitoring the watchers.
ReadAdversarial Review: The Six Lenses That Halted a Rollout
A six-lens adversarial review checked a team knowledge system against live state, broke three shipped assumptions, and gated 18 risks to halt the rollout.
ReadFix the Dependabot Pile-Up: Policy Over Patches
15 dependabot PRs piling up? Stop merging individually. Group minor/patch updates, auto-merge when green, keep security updates isolated.
ReadNoise-Robust LLM-Judge Evals: Don't Sign a Coin Flip
An un-seeded LLM judge is a coin flip even at temperature 0. How we made signed eval verdicts replayable instead of attesting noise.
ReadEvery Safety Gate Has a Failure Direction
Safety gates fail in opposite directions: one crashed fail-closed, another failed open. Both from a swallowed error. A shell-script control-failure case study.
ReadThe Relevance Score That Broke Our Cite-or-Refuse Gate
A retrieval test asserted every relevance score sits in [0,1] — it failed on a live -1.83 silently corrupting a cite-or-refuse RAG safety gate.
ReadThe Moat Is the Trust Layer: Turning a Local-RAG App into a BYOK Document-Intelligence Platform
Naive local-RAG app became Intent NEXUS: BYOK document-intelligence platform. The moat is enforced trust; adversarial review caught the evals lying.
ReadShipping gpt-5.4 as One Config Line
Deploy gpt-5.4 to production as a one-line config with eval-gated rollout. Key finding: report word-ceilings came from the model, not the prompt.
ReadBacklog Zero: Burning Down the Estate with a Triage Machine
How a wave-based triage machine burned an estate backlog from 973 to 531 open issues using deterministic gates and verified close manifests.
ReadSurviving CoreWeave: the GPU failures that burn your hours
A practitioner field guide to CoreWeave's real GPU failure modes: Xid triage, silent RDMA fallback, MPIJob launch, LOTA storage, and building your own cost view.
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