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publicLatest change 7f0ff66d6d9fb6468416c58bee46bd3d08169501 - Checkpoint browser channels and memory work by AkurAI Build
import { useEffect, useState } from "react";
import { Brain, Database, Gauge, History, Zap } from "lucide-react";
import type {
MemoryActivationMode,
MemoryAttachmentPolicy,
MemorySettings,
} from "../api-types";
import { apiFetch } from "./api";
function Toggle({
label,
description,
checked,
disabled = false,
onChange,
}: {
label: string;
description: string;
checked: boolean;
disabled?: boolean;
onChange: (checked: boolean) => void;
}) {
return <label className={`flex min-h-20 items-start justify-between gap-4 rounded border border-line bg-bg p-4 ${disabled ? "opacity-50" : ""}`}>
<span><span className="block text-sm font-medium">{label}</span><span className="mt-1 block text-xs leading-relaxed text-ink-dim">{description}</span></span>
<input type="checkbox" aria-label={label} checked={checked} disabled={disabled} onChange={(event) => onChange(event.currentTarget.checked)} className="mt-0.5 size-5 shrink-0 accent-accent" />
</label>;
}
function NumberField({
label,
value,
min,
max,
step = 1,
disabled = false,
description,
onChange,
}: {
label: string;
value: number;
min: number;
max: number;
step?: number;
disabled?: boolean;
description: string;
onChange: (value: number) => void;
}) {
return <label className={`text-sm font-medium ${disabled ? "opacity-50" : ""}`}>{label}<input aria-label={label} type="number" min={min} max={max} step={step} disabled={disabled} value={value} onChange={(event) => onChange(event.currentTarget.valueAsNumber)} className="mt-2 min-h-11 w-full rounded border border-line bg-bg px-3 text-ink outline-none focus:border-accent/50" /><span className="mt-1 block text-xs font-normal leading-relaxed text-ink-dim">{description}</span></label>;
}
export function MemorySettingsPanel() {
const [settings, setSettings] = useState<MemorySettings>();
const [saving, setSaving] = useState(false);
const [saved, setSaved] = useState(false);
const [error, setError] = useState("");
useEffect(() => {
let cancelled = false;
void apiFetch("/api/settings/memory").then(async (response) => {
if (cancelled) return;
if (response.ok) setSettings(await response.json() as MemorySettings);
else setError("Unable to load memory settings");
}).catch(() => { if (!cancelled) setError("Unable to load memory settings"); });
return () => { cancelled = true; };
}, []);
const change = <Key extends keyof MemorySettings>(key: Key, value: MemorySettings[Key]) => {
setSettings((current) => {
if (!current) return current;
const next = { ...current, [key]: value };
if (key === "asyncBuffering" && value === true) next.shareTokenBudget = false;
if (key === "shareTokenBudget" && value === true) {
next.asyncBuffering = false;
next.bufferOnIdle = false;
}
return next;
});
setError("");
setSaved(false);
};
const applyPreset = (preset: "responsive" | "balanced" | "deep") => {
const values = preset === "responsive"
? { observationTokens: 20_000, reflectionTokens: 30_000, recentMessagePercent: 25, bufferIntervalPercent: 15 }
: preset === "deep"
? { observationTokens: 60_000, reflectionTokens: 100_000, recentMessagePercent: 15, bufferIntervalPercent: 20 }
: { observationTokens: 30_000, reflectionTokens: 40_000, recentMessagePercent: 20, bufferIntervalPercent: 20 };
setSettings((current) => current ? {
...current,
...values,
asyncBuffering: true,
shareTokenBudget: false,
bufferOnIdle: true,
observationBlockPercent: 120,
reflectionBufferPercent: 50,
reflectionBlockPercent: 120,
} : current);
setError("");
setSaved(false);
};
const save = async () => {
if (!settings) return;
setSaving(true);
setError("");
const { updatedAt, ...input } = settings;
void updatedAt;
const response = await apiFetch("/api/settings/memory", {
method: "PATCH",
headers: { "content-type": "application/json" },
body: JSON.stringify(input),
});
if (response.ok) {
setSettings(await response.json() as MemorySettings);
setSaved(true);
} else {
const body = await response.json().catch(() => ({})) as { error?: string };
setError(body.error ?? "Unable to save memory settings");
}
setSaving(false);
};
if (!settings) return <div className="w-full max-w-5xl"><h1 className="text-xl font-semibold">Memory</h1><p className={`mt-6 text-sm ${error ? "text-red-400" : "text-ink-dim"}`}>{error || "Loading memory settings…"}</p></div>;
const bufferEvery = Math.round(settings.observationTokens * settings.bufferIntervalPercent / 100);
const retained = Math.round(settings.observationTokens * settings.recentMessagePercent / 100);
const observationSafety = Math.round(settings.observationTokens * settings.observationBlockPercent / 100);
const reflectionStarts = Math.round(settings.reflectionTokens * settings.reflectionBufferPercent / 100);
const disabled = !settings.autoCompact;
return <div className="w-full max-w-5xl">
<div className="flex flex-wrap items-start justify-between gap-3">
<div><h1 className="text-xl font-semibold">Memory</h1><p className="mt-1 max-w-3xl text-sm leading-relaxed text-ink-dim">Tune Mastra Observational Memory: raw-message observation, reflection, asynchronous buffering, exact-history retrieval, and prompt-cache-aware activation. Changes apply to the next turn.</p></div>
<a href="https://mastra.ai/docs/memory/observational-memory" target="_blank" rel="noreferrer" className="flex min-h-11 items-center rounded border border-line px-4 text-sm text-accent hover:bg-panel-2">Mastra memory docs</a>
</div>
<div className="mt-6 space-y-5">
<section className="rounded border border-line bg-panel p-5">
<Toggle label="Observational Memory" description="Observer and Reflector agents compress old messages and tool results into a bounded observation log. Original messages remain stored in PostgreSQL." checked={settings.autoCompact} onChange={(value) => change("autoCompact", value)} />
<div className="mt-4 grid gap-3 sm:grid-cols-3">
<div className="rounded border border-line bg-bg p-4"><History className="size-4 text-accent" /><div className="mt-2 text-sm font-medium">Recent messages</div><p className="mt-1 text-xs leading-relaxed text-ink-dim">Exact current-task context before observation.</p></div>
<div className="rounded border border-line bg-bg p-4"><Database className="size-4 text-accent" /><div className="mt-2 text-sm font-medium">Observations</div><p className="mt-1 text-xs leading-relaxed text-ink-dim">Dense notes replacing older raw context.</p></div>
<div className="rounded border border-line bg-bg p-4"><Brain className="size-4 text-accent" /><div className="mt-2 text-sm font-medium">Reflections</div><p className="mt-1 text-xs leading-relaxed text-ink-dim">Consolidated patterns that keep the log bounded.</p></div>
</div>
</section>
<section className={`rounded border border-line bg-panel p-5 ${disabled ? "opacity-60" : ""}`}>
<div className="flex flex-wrap items-center justify-between gap-3"><div><h2 className="font-medium">Operating profile</h2><p className="mt-1 text-xs text-ink-dim">Presets change token and buffering controls only.</p></div><div className="flex flex-wrap gap-2"><button type="button" disabled={disabled} onClick={() => applyPreset("responsive")} className="min-h-11 rounded border border-line px-3 text-xs disabled:opacity-50">Responsive</button><button type="button" disabled={disabled} onClick={() => applyPreset("balanced")} className="min-h-11 rounded border border-line px-3 text-xs disabled:opacity-50">Balanced</button><button type="button" disabled={disabled} onClick={() => applyPreset("deep")} className="min-h-11 rounded border border-line px-3 text-xs disabled:opacity-50">Deep context</button></div></div>
<div className="mt-4 grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
<NumberField label="Observe messages at" value={settings.observationTokens} min={4_000} max={200_000} step={1_000} disabled={disabled} description="Unobserved message tokens that trigger the Observer." onChange={(value) => change("observationTokens", value)} />
<NumberField label="Reflect observations at" value={settings.reflectionTokens} min={4_000} max={400_000} step={1_000} disabled={disabled} description="Observation-log tokens that trigger the Reflector." onChange={(value) => change("reflectionTokens", value)} />
<NumberField label="Raw context retained (%)" value={settings.recentMessagePercent} min={5} max={75} step={5} disabled={disabled} description="Recent message window left after buffered activation." onChange={(value) => change("recentMessagePercent", value)} />
</div>
<div className="mt-5 grid gap-3 sm:grid-cols-2 lg:grid-cols-4">
{[["Buffer interval", settings.asyncBuffering ? `${bufferEvery.toLocaleString()} tokens` : "Synchronous"], ["Raw context floor", `${retained.toLocaleString()} tokens`], ["Observer safety", `${observationSafety.toLocaleString()} tokens`], ["Reflection starts", settings.asyncBuffering ? `${reflectionStarts.toLocaleString()} tokens` : "At threshold"]].map(([label, value]) => <div key={label} className="rounded border border-line bg-bg p-3"><span className="block text-[10px] font-medium uppercase tracking-wider text-ink-dim">{label}</span><strong className="mt-1 block text-sm">{value}</strong></div>)}
</div>
</section>
<section className={`rounded border border-line bg-panel p-5 ${disabled ? "opacity-60" : ""}`}>
<div className="flex items-center gap-2"><Zap className="size-4 text-accent" /><h2 className="font-medium">Buffering and activation</h2></div>
<p className="mt-1 text-xs leading-relaxed text-ink-dim">Background buffering pre-computes observations and reflections so threshold activation does not block the main response.</p>
<div className="mt-4 grid gap-3 md:grid-cols-2">
<Toggle label="Asynchronous buffering" description="Prepare observation chunks before the main threshold. Enabling this turns off shared token budgets." checked={settings.asyncBuffering} disabled={disabled} onChange={(value) => change("asyncBuffering", value)} />
<Toggle label="Buffer after idle turns" description="Observe short turns when the agent becomes idle instead of waiting for the next step." checked={settings.bufferOnIdle} disabled={disabled || !settings.asyncBuffering} onChange={(value) => change("bufferOnIdle", value)} />
<Toggle label="Share message and observation budgets" description="Let messages borrow unused observation capacity. Mastra currently requires asynchronous buffering to be off." checked={settings.shareTokenBudget} disabled={disabled} onChange={(value) => change("shareTokenBudget", value)} />
<Toggle label="Activate when provider changes" description="Compress buffered history before a model/provider switch invalidates prompt-cache reuse." checked={settings.activateOnProviderChange} disabled={disabled || !settings.asyncBuffering} onChange={(value) => change("activateOnProviderChange", value)} />
</div>
<div className="mt-4 grid gap-4 sm:grid-cols-2 lg:grid-cols-4">
<NumberField label="Buffer interval (%)" value={settings.bufferIntervalPercent} min={5} max={90} step={5} disabled={disabled || !settings.asyncBuffering} description="Fraction of message threshold between background Observer runs." onChange={(value) => change("bufferIntervalPercent", value)} />
<NumberField label="Observer safety (%)" value={settings.observationBlockPercent} min={101} max={199} disabled={disabled || !settings.asyncBuffering} description="Last-resort synchronous observation threshold." onChange={(value) => change("observationBlockPercent", value)} />
<NumberField label="Reflection starts (%)" value={settings.reflectionBufferPercent} min={10} max={90} step={5} disabled={disabled || !settings.asyncBuffering} description="Begin background reflection before its full threshold." onChange={(value) => change("reflectionBufferPercent", value)} />
<NumberField label="Reflector safety (%)" value={settings.reflectionBlockPercent} min={101} max={199} disabled={disabled || !settings.asyncBuffering} description="Last-resort synchronous reflection threshold." onChange={(value) => change("reflectionBlockPercent", value)} />
</div>
<label className={`mt-4 block text-sm font-medium ${disabled || !settings.asyncBuffering ? "opacity-50" : ""}`}>Idle activation<select aria-label="Idle activation" disabled={disabled || !settings.asyncBuffering} value={settings.activateAfterIdle} onChange={(event) => change("activateAfterIdle", event.currentTarget.value as MemoryActivationMode)} className="mt-2 min-h-11 w-full rounded border border-line bg-bg px-3 text-ink sm:max-w-sm"><option value="off">Off</option><option value="auto">Provider-aware cache TTL</option><option value="5m">5 minutes</option><option value="1hr">1 hour</option><option value="24hr">24 hours</option></select><span className="mt-1 block text-xs font-normal text-ink-dim">Force buffered observations to activate after an idle period.</span></label>
</section>
<section className={`rounded border border-line bg-panel p-5 ${disabled ? "opacity-60" : ""}`}>
<div className="flex items-center gap-2"><History className="size-4 text-accent" /><h2 className="font-medium">Recall and continuity</h2></div>
<div className="mt-4 grid gap-3 md:grid-cols-2">
<Toggle label="Exact-history retrieval" description="Give the agent Mastra's recall tool to browse raw messages behind compressed observation groups." checked={settings.retrievalEnabled} disabled={disabled} onChange={(value) => change("retrievalEnabled", value)} />
<Toggle label="Temporal gap markers" description="Persist a lightweight timeline marker when a thread resumes after at least ten minutes." checked={settings.temporalMarkers} disabled={disabled} onChange={(value) => change("temporalMarkers", value)} />
</div>
<div className="mt-4 grid gap-4 sm:grid-cols-2">
<label className={`text-sm font-medium ${disabled || !settings.retrievalEnabled ? "opacity-50" : ""}`}>Recall scope<select aria-label="Recall scope" disabled={disabled || !settings.retrievalEnabled} value={settings.retrievalScope} onChange={(event) => change("retrievalScope", event.currentTarget.value as MemorySettings["retrievalScope"])} className="mt-2 min-h-11 w-full rounded border border-line bg-bg px-3"><option value="thread">Current thread only</option><option value="resource">All chats for this user</option></select><span className="mt-1 block text-xs font-normal leading-relaxed text-ink-dim">Resource scope can list and browse other Popagent chats. It remains separate from explicit long-term facts and episodes.</span></label>
<label className={`text-sm font-medium ${disabled ? "opacity-50" : ""}`}>Observer attachments<select aria-label="Observer attachment policy" disabled={disabled} value={settings.observeAttachments} onChange={(event) => change("observeAttachments", event.currentTarget.value as MemoryAttachmentPolicy)} className="mt-2 min-h-11 w-full rounded border border-line bg-bg px-3"><option value="auto">Auto-detect model support</option><option value="all">Forward all attachments</option><option value="none">Placeholders only</option></select><span className="mt-1 block text-xs font-normal leading-relaxed text-ink-dim">Placeholders remain visible when binary image/file parts are withheld.</span></label>
</div>
</section>
<section className={`rounded border border-line bg-panel p-5 ${disabled ? "opacity-60" : ""}`}>
<div className="flex items-center gap-2"><Gauge className="size-4 text-accent" /><h2 className="font-medium">Observer context and guidance</h2></div>
<div className="mt-4 grid gap-4 md:grid-cols-[1fr_14rem]">
<Toggle label="Limit previous observation context" description="Tail-truncate older observation context sent back to the Observer while retaining the newest and highlighted items." checked={settings.optimizeObserverContext} disabled={disabled} onChange={(value) => change("optimizeObserverContext", value)} />
<NumberField label="Previous-observation tokens" value={settings.previousObserverTokens} min={0} max={100_000} step={500} disabled={disabled || !settings.optimizeObserverContext} description="0 omits previous observations." onChange={(value) => change("previousObserverTokens", value)} />
</div>
<div className="mt-4 grid gap-4 md:grid-cols-2">
<label className="text-sm font-medium">Observer guidance<textarea aria-label="Observer guidance" disabled={disabled} maxLength={8_000} rows={6} value={settings.observationInstruction} onChange={(event) => change("observationInstruction", event.currentTarget.value)} placeholder="What should the Observer prioritize or omit?" className="mt-2 w-full resize-y rounded border border-line bg-bg p-3 text-sm outline-none disabled:opacity-50" /><span className="mt-1 block text-xs font-normal text-ink-dim">Appended to Mastra's Observer instructions.</span></label>
<label className="text-sm font-medium">Reflector guidance<textarea aria-label="Reflector guidance" disabled={disabled} maxLength={8_000} rows={6} value={settings.reflectionInstruction} onChange={(event) => change("reflectionInstruction", event.currentTarget.value)} placeholder="What details must survive consolidation?" className="mt-2 w-full resize-y rounded border border-line bg-bg p-3 text-sm outline-none disabled:opacity-50" /><span className="mt-1 block text-xs font-normal text-ink-dim">Appended to Mastra's Reflector instructions.</span></label>
</div>
</section>
{error ? <p role="alert" className="text-sm text-red-400">{error}</p> : null}
<div className="sticky bottom-0 flex items-center justify-end gap-3 border-t border-line bg-bg/90 py-4 backdrop-blur">{saved ? <span role="status" className="text-xs text-emerald-500">Saved</span> : null}<button type="button" disabled={saving} onClick={() => void save()} className="min-h-11 rounded bg-accent px-5 text-sm font-medium text-white disabled:opacity-60">{saving ? "Saving…" : "Save memory settings"}</button></div>
</div>
</div>;
}