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// Props
import { Poller } from "smithers-orchestrator";

type PollerProps = {
  id?: string; // default "poll"
  check: AgentLike | (() => Promise<unknown> | unknown);
  checkOutput: OutputTarget; // must include `satisfied: boolean`
  maxAttempts?: number; // default 30
  backoff?: "fixed" | "linear" | "exponential"; // default "fixed"
  intervalMs?: number; // delay BETWEEN attempts, default 5000
  checkTimeoutMs?: number; // timeout for one check attempt; unbounded when unset
  onTimeout?: "fail" | "return-last"; // default "fail"
  skipIf?: boolean;
  children?: ReactNode; // condition description
};
<Workflow name="wait-for-deploy">
  <Poller
    check={statusChecker}
    checkOutput={outputs.check}
    maxAttempts={20}
    intervalMs={10_000}
    backoff="exponential"
    onTimeout="fail"
  >
    Check whether the deployment to production has completed successfully.
  </Poller>
</Workflow>

Notes

  • satisfied drives the loop’s until.
  • The first attempt runs immediately; intervalMs is the delay between attempts.
  • Backoff scales that gap. For the Nth gap (1-indexed): fixed = intervalMs; linear = intervalMs * N; exponential = intervalMs * 2^(N-1).
  • The gap is a durable <Timer>: the run parks as waiting-timer between attempts and survives a crash or resume, rather than sleeping in-process. A detached run is resumed by the gateway’s timer sweep.
  • intervalMs does not bound how long a check may run. Use checkTimeoutMs to cap a single attempt.

Source

The <Poller> implementation and the files it imports, straight from the package source. This section is generated; edit the source, not this block.
import React from "react";
import { SmithersError } from "@smithers-orchestrator/errors/SmithersError";
import { SmithersContext } from "@smithers-orchestrator/react-reconciler/context";
import { Task } from "./Task.js";
import { Loop } from "./Ralph.js";
import { Sequence } from "./Sequence.js";
import { Timer } from "./Timer.js";
/** @typedef {import("./PollerProps.ts").PollerProps} PollerProps */

/**
 * Compute the real wall-clock delay (ms) for one gap between poll attempts.
 *
 * `gap` is 0-indexed over the gaps, not the attempts: gap 0 is the pause
 * between attempt 1 and attempt 2. Nothing precedes the first attempt, so the
 * first poll always fires immediately. The returned delay is enforced by a
 * durable <Timer>; it is not a task timeout.
 * @param {number} gap
 * @param {number} baseMs
 * @param {"fixed" | "linear" | "exponential"} strategy
 * @returns {number}
 */
function computeDelayMs(gap, baseMs, strategy) {
    let raw;
    switch (strategy) {
        case "linear":
            raw = baseMs * (gap + 1);
            break;
        case "exponential":
            raw = baseMs * Math.pow(2, gap);
            break;
        case "fixed":
        default:
            raw = baseMs;
            break;
    }
    // A non-finite delay would be formatted as "Infinity ms"/"NaNms" (and any
    // value >= 1e21 as "1e+21ms"), none of which the engine's duration parser
    // accepts. Fail here, where the offending prop is still in scope.
    if (!Number.isFinite(raw)) {
        throw new SmithersError("INVALID_INPUT", `<Poller> computed a non-finite poll delay from intervalMs=${baseMs}, backoff="${strategy}".`);
    }
    return Math.max(0, Math.round(raw));
}
/**
 * @param {PollerProps} props
 */
export function Poller(props) {
    if (props.skipIf)
        return null;
    const ctx = React.useContext(SmithersContext);
    const prefix = props.id ?? "poll";
    const maxAttempts = props.maxAttempts ?? 30;
    const backoff = props.backoff ?? "fixed";
    const baseInterval = props.intervalMs ?? 5000;
    const onTimeout = props.onTimeout ?? "fail";
    const iteration = ctx?.iterations?.[`${prefix}-loop`] ?? ctx?.iteration ?? 0;
    const checkRow = ctx?.outputMaybe(props.checkOutput, {
        nodeId: `${prefix}-check`,
        iteration,
    });
    const until = checkRow?.satisfied === true;
    // Determine if check is an agent or a compute function
    const isAgent = typeof props.check === "object" &&
        props.check !== null &&
        "generate" in props.check;
    // Build the check task
    const prompt = props.children ??
        "Check whether the condition is satisfied. Return an object with a satisfied boolean.";
    const checkTask = isAgent
        ? React.createElement(Task, {
            id: `${prefix}-check`,
            output: props.checkOutput,
            timeoutMs: props.checkTimeoutMs,
            agent: props.check,
            children: prompt,
        })
        : React.createElement(Task, {
            id: `${prefix}-check`,
            output: props.checkOutput,
            timeoutMs: props.checkTimeoutMs,
            children: props.check,
        });
    // Pace the loop with a durable <Timer> ahead of the check, inside a
    // <Sequence> so the scheduler holds the check back until the timer fires.
    // The timer is skipped on the first iteration (poll immediately), so the
    // delay before attempt N is the (N-1)th gap.
    const delayMs = iteration === 0 ? 0 : computeDelayMs(iteration - 1, baseInterval, backoff);
    return React.createElement(Loop, {
        id: `${prefix}-loop`,
        until,
        maxIterations: maxAttempts,
        onMaxReached: onTimeout === "fail" ? "fail" : "return-last",
    }, React.createElement(Sequence, null, React.createElement(Timer, {
        id: `${prefix}-delay`,
        duration: `${delayMs}ms`,
        skipIf: iteration === 0,
    }), checkTask));
}
import { getSmithersErrorDocsUrl } from "./getSmithersErrorDocsUrl.js";
/** @typedef {import("./SmithersErrorCode.ts").SmithersErrorCode} SmithersErrorCode */
/** @typedef {import("./SmithersErrorOptions.ts").SmithersErrorOptions} SmithersErrorOptions */

export class SmithersError extends Error {
    /** @type {SmithersErrorCode} */
    code;
    /** @type {string} */
    summary;
    /** @type {string} */
    docsUrl;
    /** @type {Record<string, unknown> | undefined} */
    details;
    /** @type {unknown} */
    cause;
    /** @type {string} */
    name;
    /**
   * @param {SmithersErrorCode} code
   * @param {string} summary
   * @param {Record<string, unknown>} [details]
   * @param {unknown | SmithersErrorOptions} [causeOrOptions]
   */
    constructor(code, summary, details, causeOrOptions) {
        const docsUrl = getSmithersErrorDocsUrl(code);
        // The 4th arg historically took a bare `cause`. An object counts as an
        // options bag only when it owns at least one known option key
        // (cause/includeDocsUrl/name), so most plain-object causes still
        // round-trip as the cause.
        const isOptionsObject = causeOrOptions &&
            typeof causeOrOptions === "object" &&
            !(causeOrOptions instanceof Error) &&
            (Object.prototype.hasOwnProperty.call(causeOrOptions, "cause") ||
                Object.prototype.hasOwnProperty.call(causeOrOptions, "includeDocsUrl") ||
                Object.prototype.hasOwnProperty.call(causeOrOptions, "name"));
        const options = /** @type {SmithersErrorOptions} */ (isOptionsObject
            ? causeOrOptions
            : { cause: causeOrOptions });
        // Append the docs pointer unless suppressed or the summary already contains it.
        const message = options.includeDocsUrl === false || summary.includes(docsUrl)
            ? summary
            : `${summary} See ${docsUrl}`;
        super(message, { cause: options.cause });
        Object.setPrototypeOf(this, new.target.prototype);
        this.name = options.name ?? "SmithersError";
        this.code = code;
        this.summary = summary;
        this.docsUrl = docsUrl;
        this.details = details;
        this.cause = options.cause;
    }
}
// @smithers-type-exports-begin
/** @typedef {import("./OutputSnapshot.ts").OutputSnapshot} OutputSnapshot */
/** @typedef {import("./SmithersCtxOptions.ts").SmithersCtxOptions} SmithersCtxOptions */
// @smithers-type-exports-end

import React from "react";
import { SmithersCtx } from "@smithers-orchestrator/driver/SmithersCtx";
import { SmithersError } from "@smithers-orchestrator/errors/SmithersError";
export { SmithersCtx } from "@smithers-orchestrator/driver/SmithersCtx";
/** @type {React.Context<SmithersCtx<any> | null>} */
export const SmithersContext = React.createContext(null);
SmithersContext.displayName = "SmithersContext";
/**
 * @template Schema
 * @returns {{ SmithersContext: React.Context<SmithersCtx<Schema> | null>, useCtx: () => SmithersCtx<Schema> }}
 */
export function createSmithersContext() {
    /** @type {React.Context<SmithersCtx<Schema> | null>} */
    const Context = React.createContext(null);
    Context.displayName = "SmithersContext";
    /**
   * @returns {SmithersCtx<Schema>}
   */
    function useCtx() {
        const ctx = React.useContext(Context);
        if (!ctx) {
            throw new SmithersError("CONTEXT_OUTSIDE_WORKFLOW", "useCtx() must be called inside a <Workflow> created by createSmithers()");
        }
        return ctx;
    }
    return { SmithersContext: Context, useCtx };
}
// @smithers-type-exports-begin
/**
 * @template D
 * @typedef {import("./InferDeps.ts").InferDeps<D>} InferDeps
 */
/** @typedef {import("./OutputTarget.ts").OutputTarget} OutputTarget */
// @smithers-type-exports-end

import React from "react";
import { renderToStaticMarkup } from "react-dom/server";
import { markdownComponents } from "../markdownComponents.js";
import { zodSchemaToJsonExample } from "../zod-to-example.js";
import { SmithersError } from "@smithers-orchestrator/errors/SmithersError";
import { SmithersContext } from "@smithers-orchestrator/react-reconciler/context";
import { AspectContext } from "../aspects/AspectContext.js";
import { AntigravityAgent } from "@smithers-orchestrator/agents/AntigravityAgent";
import { ClaudeCodeAgent } from "@smithers-orchestrator/agents/ClaudeCodeAgent";
import { GeminiAgent } from "@smithers-orchestrator/agents/GeminiAgent";
import { PiAgent } from "@smithers-orchestrator/agents/PiAgent";
/** @typedef {import("@smithers-orchestrator/agents/AgentLike").AgentLike} AgentLike */
/** @typedef {import("./DepsSpec.ts").DepsSpec} DepsSpec */
/**
 * @template Row, Output, D
 * @typedef {import("./TaskProps.ts").TaskProps<Row, Output, D>} TaskProps
 */

/**
 * Reverse the HTML-entity escaping that renderToStaticMarkup applies to text
 * (& < > " '). Without this, a prompt like `a < b && c` reaches the agent as
 * `a &lt; b &amp;&amp; c`, and injected JSON schema hints (`"key"`) arrive as
 * `&quot;key&quot;`, both of which corrupt the agent-facing text.
 * `&amp;` is decoded last so an escaped literal (`&amp;lt;`, meaning the source
 * text `&lt;`) is not double-decoded into `<`.
 * @param {string} html
 * @returns {string}
 */
function decodeHtmlEntities(html) {
    return html
        .replace(/&lt;/g, "<")
        .replace(/&gt;/g, ">")
        .replace(/&quot;/g, '"')
        .replace(/&#x27;/g, "'")
        .replace(/&#39;/g, "'")
        .replace(/&amp;/g, "&");
}
/**
 * Render a prompt React node to plain markdown text.
 *
 * If the prompt is a React element (e.g. a compiled MDX component), we inject
 * `markdownComponents` via the standard MDX `components` prop so that
 * renderToStaticMarkup outputs clean markdown instead of HTML. The static
 * render entity-escapes all text, so we decode the entities back to literal
 * characters before handing the prompt to the agent.
 * @param {unknown} prompt
 * @returns {string}
 */
export function renderPromptToText(prompt) {
    if (prompt == null)
        return "";
    if (typeof prompt === "string")
        return prompt;
    if (typeof prompt === "number")
        return String(prompt);
    try {
        let element;
        if (React.isValidElement(prompt)) {
            // Inject markdown components into the element so MDX components
            // render fragments instead of HTML tags.
            element = React.cloneElement(prompt, {
                components: markdownComponents,
            });
        }
        else {
            element = React.createElement(React.Fragment, null, prompt);
        }
        return decodeHtmlEntities(renderToStaticMarkup(element))
            .replace(/\n{3,}/g, "\n\n")
            .trim();
    }
    catch (err) {
        const result = String(prompt ?? "");
        if (result === "[object Object]") {
            throw new SmithersError("MDX_PRELOAD_INACTIVE", `MDX prompt could not be rendered — the prompt resolved to [object Object] instead of a React component.\n\n` +
                `This usually means the MDX preload is not active. Common causes:\n` +
                `  • bunfig.toml uses [run] preload instead of top-level preload (the [run] section doesn't apply to dynamic imports)\n` +
                `  • bunfig.toml is not in the current working directory\n` +
                `  • mdxPlugin() is not registered in the preload script\n` +
                `  • The MDX file is imported without a default import (use: import MyPrompt from "./prompt.mdx")\n\n` +
                `Original error: ${err instanceof Error ? err.message : String(err)}`);
        }
        return result;
    }
}
/**
 * @param {unknown} value
 * @returns {value is import("zod").ZodObject<import("zod").ZodRawShape>}
 */
function isZodObject(value) {
    return Boolean(value && typeof value === "object" && "shape" in value);
}
/**
 * @param {DepsSpec | undefined} deps
 * @param {Record<string, string> | undefined} needs
 * @returns {string[] | undefined}
 */
function deriveDepNodeIds(deps, needs) {
    if (!deps)
        return undefined;
    const ids = new Set();
    for (const key of Object.keys(deps)) {
        const nodeId = needs?.[key] ?? key;
        if (nodeId)
            ids.add(nodeId);
    }
    return ids.size > 0 ? [...ids] : undefined;
}
/**
 * @param {string[] | undefined} dependsOn
 * @param {string[] | undefined} depNodeIds
 * @returns {string[] | undefined}
 */
function mergeDependsOn(dependsOn, depNodeIds) {
    const merged = new Set();
    for (const id of dependsOn ?? [])
        merged.add(id);
    for (const id of depNodeIds ?? [])
        merged.add(id);
    return merged.size > 0 ? [...merged] : undefined;
}
/**
 * @param {any} ctx
 * @param {DepsSpec | undefined} deps
 * @param {Record<string, string> | undefined} needs
 * @param {boolean | undefined} depsOptional
 * @returns {Record<string, unknown> | null}
 */
function resolveDeps(ctx, deps, needs, depsOptional) {
    if (!deps)
        return Object.create(null);
    const keys = Object.keys(deps);
    if (keys.length === 0)
        return Object.create(null);
    const resolved = Object.create(null);
    for (const key of keys) {
        const target = deps[key];
        const nodeId = needs?.[key] ?? key;
        const value = ctx.outputMaybe(target, { nodeId });
        if (value === undefined) {
            // Optional deps mode: omit unresolved keys instead of deferring the
            // whole task. Used when the task is already gated by `needs`/`dependsOn`
            // and upstream tasks may legitimately fail (continueOnFail) without
            // producing an output row.
            if (depsOptional)
                continue;
            return null;
        }
        resolved[key] = value;
    }
    return resolved;
}
/**
 * @param {AgentLike} agent
 * @param {string[] | undefined} allowTools
 * @returns {AgentLike}
 */
function applyCliToolAllowlist(agent, allowTools) {
    if (!allowTools) {
        return agent;
    }
    if (agent instanceof ClaudeCodeAgent) {
        const opts = { ...agent.opts };
        if (allowTools.length === 0) {
            return new ClaudeCodeAgent({
                ...opts,
                allowedTools: [],
                tools: "",
            });
        }
        return new ClaudeCodeAgent({
            ...opts,
            allowedTools: [...allowTools],
        });
    }
    if (agent instanceof PiAgent) {
        const opts = { ...agent.opts };
        if (allowTools.length === 0) {
            return new PiAgent({
                ...opts,
                tools: [],
                noTools: true,
            });
        }
        return new PiAgent({
            ...opts,
            tools: [...allowTools],
            noTools: false,
        });
    }
    if (agent instanceof GeminiAgent) {
        const opts = { ...agent.opts };
        return new GeminiAgent({
            ...opts,
            allowedTools: [...allowTools],
        });
    }
    if (agent instanceof AntigravityAgent) {
        const opts = { ...agent.opts };
        return new AntigravityAgent({
            ...opts,
            allowedTools: [...allowTools],
        });
    }
    return agent;
}
/**
 * @param {unknown} ctx
 * @param {string[] | undefined} allowTools
 * @returns {string[] | undefined}
 */
function resolveCliToolAllowlist(ctx, allowTools) {
    if (allowTools !== undefined) {
        return allowTools;
    }
    const cliAgentToolsDefault = ctx && typeof ctx === "object"
        ? ctx.__smithersRuntime?.cliAgentToolsDefault
        : undefined;
    return cliAgentToolsDefault === "explicit-only" ? [] : undefined;
}
/**
 * @template Row, Output, D
 * @param {TaskProps<Row, Output, D>} props
 * @returns {React.ReactElement | null}
 */
export function Task(props) {
    const { children, agent, fallbackAgent, deps, depsOptional, ...rest } = props;
    const taskContext = props.smithersContext ?? SmithersContext;
    const ctx = React.useContext(taskContext);
    const aspectCtx = React.useContext(AspectContext);
    const depNodeIds = deriveDepNodeIds(deps, rest.needs);
    if (deps && !ctx) {
        throw new SmithersError("CONTEXT_OUTSIDE_WORKFLOW", "Task deps require a workflow context. Build the workflow with createSmithers().");
    }
    const resolvedDeps = deps ? resolveDeps(ctx, deps, rest.needs, depsOptional) : undefined;
    if (deps && resolvedDeps == null) {
        // Deps not yet available — component defers until upstream tasks complete.
        // This is normal reactive behavior; the task will re-render once deps are
        // ready. Record the deferral so the engine can distinguish a transient wait
        // from a permanent one: a deferral that survives to quiescence means a
        // dependency that can never resolve (e.g. a deps key that maps to a node id
        // no task produces), which would otherwise be a silent skip.
        ctx?.recordDeferredDep?.(props.id, depNodeIds ?? []);
        return null;
    }
    // Build aspect metadata to attach to the task element so the engine can
    // enforce budgets and track metrics at execution time.
    const aspectMeta = aspectCtx ? buildAspectMeta(aspectCtx) : undefined;
    const agentChain = Array.isArray(agent)
        ? fallbackAgent
            ? [...agent, fallbackAgent]
            : agent
        : agent && fallbackAgent
            ? [agent, fallbackAgent]
            : agent;
    const effectiveAllowTools = resolveCliToolAllowlist(ctx, rest.allowTools);
    const restrictedAgentChain = Array.isArray(agentChain)
        ? agentChain.map((entry) => applyCliToolAllowlist(entry, effectiveAllowTools))
        : agentChain
            ? applyCliToolAllowlist(agentChain, effectiveAllowTools)
            : agentChain;
    const nextDependsOn = mergeDependsOn(rest.dependsOn, depNodeIds);
    const childValue = typeof children === "function" && (agent || deps)
        ? children(resolvedDeps ?? Object.create(null))
        : children;
    if (agent) {
        // Auto-inject `schema` prop into React element children when output is a ZodObject
        let childElement = childValue;
        const schemaForInjection = props.outputSchema ??
            (isZodObject(props.output) ? props.output : undefined);
        if (React.isValidElement(childValue) && schemaForInjection) {
            childElement = React.cloneElement(childValue, {
                schema: zodSchemaToJsonExample(schemaForInjection),
            });
        }
        const prompt = renderPromptToText(childElement);
        return React.createElement("smithers:task", {
            ...rest,
            dependsOn: nextDependsOn,
            waitAsync: rest.async === true,
            agent: restrictedAgentChain,
            __smithersKind: "agent",
            ...aspectMeta,
        }, prompt);
    }
    if (typeof children === "function" && !deps) {
        const nextProps = {
            ...rest,
            dependsOn: nextDependsOn,
            waitAsync: rest.async === true,
            __smithersKind: "compute",
            __smithersComputeFn: children,
            ...aspectMeta,
        };
        return React.createElement("smithers:task", nextProps, null);
    }
    const nextProps = {
        ...rest,
        dependsOn: nextDependsOn,
        waitAsync: rest.async === true,
        __smithersKind: "static",
        __smithersPayload: childValue,
        __payload: childValue,
        ...aspectMeta,
    };
    return React.createElement("smithers:task", nextProps, null);
}
/**
 * Build the __aspects metadata object from the current AspectContext.
 * This is attached to the smithers:task element props so the engine can read
 * budgets and tracking config at execution time.
 * @param {{
 *     tokenBudget?: unknown;
 *     latencySlo?: unknown;
 *     tracking?: unknown;
 *     accumulator?: unknown;
 * }} aspectCtx
 * @returns {{ __aspects: Record<string, unknown> }}
 */
function buildAspectMeta(aspectCtx) {
    return {
        __aspects: {
            tokenBudget: aspectCtx.tokenBudget,
            latencySlo: aspectCtx.latencySlo,
            tracking: aspectCtx.tracking,
            accumulator: aspectCtx.accumulator,
        },
    };
}
// @smithers-type-exports-begin
/** @typedef {import("./RalphProps.ts").RalphProps} RalphProps */
// @smithers-type-exports-end

import React from "react";
/** @typedef {import("./LoopProps.ts").LoopProps} LoopProps */

/**
 * @param {LoopProps} props
 */
export function Loop(props) {
    if (props.skipIf)
        return null;
    // Sanitize to the loop's host props (align with other structural components);
    // key/skipIf are React/control props and children are passed separately.
    const next = {
        id: props.id,
        until: props.until,
        maxIterations: props.maxIterations,
        onMaxReached: props.onMaxReached,
        continueAsNewEvery: props.continueAsNewEvery,
    };
    return React.createElement("smithers:ralph", next, props.children);
}
/** @deprecated Use `Loop` instead. */
export const Ralph = Loop;
import React from "react";
/** @typedef {import("./SequenceProps.ts").SequenceProps} SequenceProps */

/**
 * @param {SequenceProps} props
 */
export function Sequence(props) {
    if (props.skipIf)
        return null;
    // Sequence carries only a display label; pass a sanitized bag (align with
    // the sanitizing structural components) so control props don't leak through.
    // `label` names the phase group in run views (graph, the Claude /workflows
    // mirror) and is preserved in the persisted frame XML.
    const next = props.label === undefined ? {} : { label: props.label };
    return React.createElement("smithers:sequence", next, props.children);
}
import React from "react";
import { SmithersError } from "@smithers-orchestrator/errors/SmithersError";
/** @typedef {import("./TimerProps.ts").TimerProps} TimerProps */

/**
 * @param {TimerProps} props
 */
export function Timer(props) {
    if (props.skipIf)
        return null;
    const hasDuration = typeof props.duration === "string" && props.duration.trim().length > 0;
    const hasUntil = props.until !== undefined && props.until !== null && String(props.until).trim().length > 0;
    if ((hasDuration ? 1 : 0) + (hasUntil ? 1 : 0) !== 1) {
        throw new SmithersError("INVALID_INPUT", `<Timer id="${props.id}"> requires exactly one of "duration" or "until".`);
    }
    if (props.every !== undefined) {
        throw new SmithersError("INVALID_INPUT", `<Timer id="${props.id}"> does not support "every" yet. Recurring timers ship in phase 2.`);
    }
    const untilIso = props.until instanceof Date
        ? props.until.toISOString()
        : typeof props.until === "string"
            ? props.until
            : undefined;
    const timerMeta = {
        timer: true,
        ...(hasDuration ? { duration: props.duration } : {}),
        ...(hasUntil ? { until: untilIso } : {}),
        ...props.meta,
    };
    return React.createElement("smithers:timer", {
        id: props.id,
        key: props.key,
        duration: props.duration,
        until: untilIso,
        dependsOn: props.dependsOn,
        needs: props.needs,
        label: props.label ?? `timer:${props.id}`,
        meta: Object.keys(timerMeta).length > 0 ? timerMeta : undefined,
        __smithersTimerDuration: props.duration,
        __smithersTimerUntil: untilIso,
    });
}
import type React from "react";
import type { AgentLike } from "@smithers-orchestrator/agents/AgentLike";
import type { OutputTarget } from "./OutputTarget.ts";

export type PollerProps = {
	/** ID prefix for generated task/component ids. */
	id?: string;
	/** Agent or compute function that checks the condition. */
	check: AgentLike | (() => unknown | Promise<unknown>);
	/** Output schema for the check result. Must include `satisfied: boolean`. */
	checkOutput: OutputTarget;
	/** Maximum poll attempts. Default 30. */
	maxAttempts?: number;
	/** Strategy used to scale the inter-attempt delay. Default "fixed". */
	backoff?: "fixed" | "linear" | "exponential";
	/**
	 * Base delay in milliseconds BETWEEN poll attempts; the first attempt runs
	 * immediately. Enforced by a durable `<Timer>`. Default 5000.
	 */
	intervalMs?: number;
	/** Timeout in ms for a single check attempt. Unbounded when unset. */
	checkTimeoutMs?: number;
	/** Behavior when maxAttempts is reached. Default "fail". */
	onTimeout?: "fail" | "return-last";
	/** Skip the entire component. */
	skipIf?: boolean;
	/** Prompt/condition description for the check agent. */
	children?: React.ReactNode;
};