Human Approval as a System Boundary

Design human approval around an exact operation, with reviewable payloads, durable decisions, expiry, and execution checks that survive retries.

September 6, 2026 · 13 min · Lukas Walter

AI Systems Need Runtime Budgets

How to bound time, tokens, retries, tool calls, and estimated cost across a complete AI execution instead of limiting each call in isolation.

August 30, 2026 · 13 min · Lukas Walter

Retries Are Not a Recovery Strategy

Why bounded retries help with transient faults but cannot resolve unknown outcomes, partial workflows, or duplicated side effects in AI systems.

August 23, 2026 · 12 min · Lukas Walter

What Happens When Your AI Feature Fails?

A practical way to identify failure modes, choose explicit application behavior, and test an AI feature before its successful path hides the hard decisions.

August 15, 2026 · 12 min · Lukas Walter

Trust Boundaries Around AI Features

How to keep model proposals separate from trusted application behavior with authorization, approval policy, current-state checks, and least privilege.

August 9, 2026 · 20 min · Lukas Walter

The Model Is Only One Dependency. Map the Rest.

How to map the execution, prerequisite, and operational dependencies around an AI feature and give each interaction a usable failure contract.

August 2, 2026 · 14 min · Lukas Walter

Calling a Model Is Easy. Running an AI System Is Not

Why a successful model call says little about whether an AI feature is reliable, secure, observable, affordable, and ready to operate in production.

July 26, 2026 · 9 min · Lukas Walter