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An LLM idle watchdog catches silent model streams before they hang an agent turn. The 2026.5.12 fix escalates through profile rotation and configured model fallback instead of leaving the turn stuck.
Agent runtime fallbacks let an ACP turn try a backup model or runtime when the primary is unavailable, so a single dead backend stops killing user-facing replies.
88% of organizations reported AI agent security incidents. Only 21% have visibility into what their agents can access. Security leaders say the answer isn't better prevention — it's watching agents while they run.