Your local LLM app needs guardrails before it needs prompts

Most local-LLM tutorials start with the fun part: the prompt. After running a fleet

of autonomous agents on local models 24/7 and logging every failure — the ledger now

holds over eight thousand entries — we start somewhere else.

Here is the single most important thing that ledger taught us: the call succeeding

tells you nothing. The majority of our contract violations were outputs that were