Agent Lifecycle Toolkit (ALTK): Reusable Middleware Components for Robust AI Agents

arXiv:2603.15473v2 Announce Type: replace Abstract: As AI agents move from demos into enterprise deployments, their failure modes become consequential: a misinterpreted tool argument can corrupt production data, a silent reasoning error can go undetected until damage is done, and outputs that violate organizational policy can create legal or compliance risk. Yet, most agent frameworks leave builders to handle these failure modes ad hoc, resulting in brittle, one-off safeguards that are hard to r