Unverified50% confidenceFactExact time
DSupport's guardrails are deterministic code running at three fixed points in the agent loop, exposing three aspects—beforeTool, afterTool, and beforeFinal—through the Hook interface, and each aspect can allow, reject, or modify.
1
Sources
50%
Confidence
Long-term
Relevance
10/18/2026
First Seen
Sources
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Related Claims
UnverifiedThe PreToolUse hook can block tool calls by returning exit code 2, thereby intercepting dangerous operations.67% similarUnverifiedHook 的三层架构为 Event（决定何时触发）、Matcher（决定拦截哪个操作）、Handler（决定执行什么动作）65% similarUnverifiedDSupport's agent loop uses repeat(maxTurns) to set a turn limit, preventing the model from calling indefinitely; when the limit is reached, the code returns an escalation-to-human message rather than letting the model decide on its own.64% similarUnverifiedPreToolUse and PostToolUse hooks intercept before and after tool execution respectively, and together with the Stop hook they form the policy injection points within the loop.63% similar
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