"use client";
import { AnimatePresence, motion } from "framer-motion";
import { Activity, AlertTriangle, Gauge, History, Repeat2, RotateCcw, ShieldCheck, TimerReset, Workflow } from "lucide-react";
import { StepControls } from "@/components/visualizations/shared/step-controls";
import { useSteppedVisualization } from "@/hooks/useSteppedVisualization";
import { cn } from "@/lib/utils";
const STEPS = [
{
title: "Normal Call Still Comes First",
desc: "The runtime starts with a regular LLM call and only enters recovery when a specific failure appears.",
mode: "normal",
},
{
title: "max_tokens Means Output Was Cut Off",
desc: "First recovery is to retry with a larger budget before adding any synthetic continuation message.",
mode: "max-tokens",
},
{
title: "prompt_too_long Means Context Must Shrink",
desc: "The runtime performs reactive compact once, then retries the same task with a smaller message list.",
mode: "prompt-too-long",
},
{
title: "429 Means Wait, Then Retry",
desc: "Rate limits use exponential backoff with jitter so retries do not stampede the provider.",
mode: "rate-limit",
},
{
title: "Repeated 529 Can Switch Models",
desc: "Provider overload increments RecoveryState and can move to a fallback model after repeated failures.",
mode: "overloaded",
},
{
title: "Recovered Calls Return to the Loop",
desc: "Each recovery path is bounded, inspectable, and eventually returns to the normal tool loop or exits cleanly.",
mode: "summary",
},
] as const;
const CASES = [
{
id: "max-tokens",
label: "max_tokens",
symptom: "model stopped mid-answer",
action: "8K -> 64K, retry same request",
state: "token escalated once",
tone: "amber",
},
{
id: "prompt-too-long",
label: "prompt_too_long",
symptom: "context too large",
action: "reactive_compact(messages), retry once",
state: "compact retry used",
tone: "orange",
},
{
id: "rate-limit",
label: "429",
symptom: "rate limited",
action: "backoff + jitter, max 10 retries",
state: "retry attempt counted",
tone: "blue",
},
{
id: "overloaded",
label: "529",
symptom: "provider overloaded",
action: "backoff; 3 consecutive -> fallback model",
state: "consecutive_529 tracked",
tone: "red",
},
] as const;
type StepMode = (typeof STEPS)[number]["mode"];
type CaseId = (typeof CASES)[number]["id"];
type Tone = "amber" | "orange" | "blue" | "red" | "emerald" | "zinc";
function toneClass(tone: Tone, active = true) {
if (!active) return "border-zinc-200 bg-white text-zinc-700 dark:border-zinc-700 dark:bg-zinc-900 dark:text-zinc-200";
if (tone === "amber") return "border-amber-200 bg-amber-50 text-amber-800 dark:border-amber-900 dark:bg-amber-950/40 dark:text-amber-200";
if (tone === "orange") return "border-orange-200 bg-orange-50 text-orange-800 dark:border-orange-900 dark:bg-orange-950/40 dark:text-orange-200";
if (tone === "blue") return "border-blue-200 bg-blue-50 text-blue-800 dark:border-blue-900 dark:bg-blue-950/40 dark:text-blue-200";
if (tone === "red") return "border-red-200 bg-red-50 text-red-800 dark:border-red-900 dark:bg-red-950/40 dark:text-red-200";
if (tone === "emerald") return "border-emerald-200 bg-emerald-50 text-emerald-800 dark:border-emerald-900 dark:bg-emerald-950/40 dark:text-emerald-200";
return "border-zinc-200 bg-zinc-50 text-zinc-700 dark:border-zinc-700 dark:bg-zinc-800 dark:text-zinc-200";
}
function activeCase(mode: StepMode): CaseId | null {
if (mode === "max-tokens") return "max-tokens";
if (mode === "prompt-too-long") return "prompt-too-long";
if (mode === "rate-limit") return "rate-limit";
if (mode === "overloaded") return "overloaded";
return null;
}
function Surface({
title,
icon,
active,
children,
}: {
title: string;
icon: React.ReactNode;
active: boolean;
children: React.ReactNode;
}) {
return (
{icon}
{title}
{children}
);
}
function CaseCard({
item,
active,
muted,
}: {
item: (typeof CASES)[number];
active: boolean;
muted: boolean;
}) {
return (
{item.label}
{active &&
}
{item.symptom}
{item.action}
);
}
function RecoveryStatePanel({ mode }: { mode: StepMode }) {
const values = {
token: mode === "max-tokens" || mode === "summary" ? "64K used" : "8K",
compact: mode === "prompt-too-long" || mode === "summary" ? "used once" : "unused",
retry: mode === "rate-limit" || mode === "overloaded" || mode === "summary" ? "counting" : "0",
model: mode === "overloaded" ? "fallback ready" : "primary",
};
return (
{[
["max_tokens", values.token],
["reactive_compact", values.compact],
["retry_attempt", values.retry],
["current_model", values.model],
].map(([label, value]) => (
))}
normal tool loop
LLM succeeds, tool_use continues as usual.
);
}
if (mode === "max-tokens") {
return (
escalate output budget
No fake "continue" user message on the first escalation.
);
}
if (mode === "prompt-too-long") {
return (
shrink context, retry once
If it is still too long after compact, exit cleanly instead of looping forever.
);
}
if (mode === "rate-limit") {
return (
exponential backoff
{["0.5s", "1s", "2s"].map((delay) => (
{delay} + jitter
))}
Wait before retrying so the provider has time to recover.
);
}
if (mode === "overloaded") {
return (
fallback model path
);
}
return (
{CASES.map((item) => (
{item.label}
{item.state}
))}
continue or exit cleanly
Every path has a limit, then returns to the normal loop or stops with an explicit error.
);
}
function CodePill({ label, value }: { label: string; value: string }) {
return (
);
}
export default function ErrorRecoveryVisualization({ title }: { title?: string }) {
const vis = useSteppedVisualization({ totalSteps: STEPS.length, autoPlayInterval: 2600 });
const current = STEPS[vis.currentStep];
const mode = current.mode;
const active = activeCase(mode);
const isSummary = mode === "summary";
return (
{title || "Error Recovery Paths"}
} active={mode !== "normal"}>
success
No recovery needed; continue to tool loop.
{CASES.map((item) => (
))}
} active={mode !== "normal"}>
} active>
Beginner rule: do not blindly retry; classify the failure, run the smallest recovery, and track whether that recovery was already used.
);
}