fix: agent jump example, enhanced state docs for JS and more #1590
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…ware (#1587) More clarity on changing behavior of dynamic system prompt middleware
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Mintlify preview ID generated: preview-cbimpr-1763851614-4162242 |
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Mintlify preview ID generated: preview-cbimpr-1763852422-6d89282 |
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Mintlify preview ID generated: preview-cbimpr-1763853024-4a27815 |
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Mintlify preview ID generated: preview-cbimpr-1763853761-497e4b2 |
mcavdar
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Nov 23, 2025
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| beforeModel: { | ||
| canJumpTo: ["end"], | ||
| hook: (state) => { | ||
| if (state.messages.at(-1)?.content.includes("BLOCKED")) { | ||
| return { | ||
| messages: [new AIMessage("I cannot respond to that request.")], |
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| beforeModel: { | |
| canJumpTo: ["end"], | |
| hook: (state) => { | |
| if (state.messages.at(-1)?.content.includes("BLOCKED")) { | |
| return { | |
| messages: [new AIMessage("I cannot respond to that request.")], | |
| afterModel: { | |
| canJumpTo: ["end"], | |
| hook: (state) => { | |
| if (state.messages.at(-1)?.content.includes("BLOCKED")) { | |
| return { | |
| messages: [ | |
| ...state.messages.slice(0, -1), | |
| { | |
| ...state.messages.at(-1), | |
| content: "I cannot respond to that request." | |
| } | |
| ], |
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It might be better if we had an afterModel example that updates the agent message, either here or in the guardrails docs. What do you think?
Edit: Actually, we already have this in guardrails, but using afterAgent. Having another example with afterModel still makes sense.
| ``` | ||
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| const result = await agent.invoke({ | ||
| messages: "Hello, world! BLOCKED" |
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| messages: "Hello, world! BLOCKED" | |
| messages: "Hello, world! Return a message that contains BLOCKED" |
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Closing in favor of #1608 |
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