feat(server,web): import and export Trace files in the trace viewer (#73)

Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Yaowei Zheng
2026-07-27 22:54:57 +08:00
committed by GitHub
parent d29d2ba7f3
commit f192db338e
13 changed files with 592 additions and 8 deletions
+19
View File
@@ -57,6 +57,8 @@ import type {
TaskCreateResponse,
TraceAnalysisResponse,
TraceEventsResponse,
TraceImportRequest,
TraceImportResponse,
UiPrefs,
UsageGroupBy,
UsageResponse,
@@ -332,6 +334,23 @@ export const getAgentTraceAnalysis = (
`/traces/${encodeURIComponent(sessionId)}/${index}/analysis`,
);
/** Trace file download URL: the server sets Content-Disposition attachment, usable directly in <a download>. */
export const agentTraceDownloadUrl = (
projectId: string,
agentId: string,
sessionId: string,
index: number,
): string =>
`/api/projects/${encodeURIComponent(projectId)}/agents/${encodeURIComponent(agentId)}` +
`/traces/${encodeURIComponent(sessionId)}/${index}/download`;
/** Imports a Trace JSONL file (owner only); the response says where the file landed (sessionId / index / date). */
export const importAgentTrace = (projectId: string, agentId: string, body: TraceImportRequest) =>
apiFetch<TraceImportResponse>(
`/api/projects/${encodeURIComponent(projectId)}/agents/${encodeURIComponent(agentId)}/traces/import`,
{ method: "POST", body },
);
// Usage statistics ----------------------------------------------------------------------
export const getUsage = (
+44
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@@ -70,6 +70,50 @@ export function PlusIcon({
);
}
/** Download glyph (tray with a down arrow), used by export/download affordances. */
export function DownloadIcon({ size = 13, className = "" }: { size?: number; className?: string }) {
return (
<svg
width={size}
height={size}
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
aria-hidden
className={`shrink-0 ${className}`}
>
<path
d="M12 4v11m0 0l-5-5m5 5l5-5M4 20h16"
strokeWidth="1.7"
strokeLinecap="round"
strokeLinejoin="round"
/>
</svg>
);
}
/** Upload glyph (tray with an up arrow), used by import/upload affordances. */
export function UploadIcon({ size = 13, className = "" }: { size?: number; className?: string }) {
return (
<svg
width={size}
height={size}
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
aria-hidden
className={`shrink-0 ${className}`}
>
<path
d="M12 15V4m0 0L7 9m5-5l5 5M4 20h16"
strokeWidth="1.7"
strokeLinecap="round"
strokeLinejoin="round"
/>
</svg>
);
}
/**
* The X close button shared by the Modal / Drawer / Sheet headers: same glyph,
* padding and hover treatment. Extra button props (e.g. Sheet's onPointerDown
@@ -6,6 +6,7 @@
* analysis (an execution timeline) + an event timeline.
*/
import { useEffect, useRef, useState } from "react";
import type { ChangeEvent } from "react";
import { useSearchParams } from "react-router";
import type { AgentTracesResponse } from "@prismshadow/penguin-server/api";
import * as api from "../../api/endpoints";
@@ -16,6 +17,8 @@ import { formatBytes } from "../../lib/format";
import { agentDisplayName, useProject } from "../../state/project";
import { AgentAvatar } from "../../components/ui/agent-avatar";
import { Chevron } from "../../components/ui/chevron";
import { DownloadIcon, UploadIcon } from "../../components/ui/icons";
import { toastError } from "../../components/ui/toast";
import { Truncated } from "../../components/ui/truncated";
import { useSessions } from "../../state/sessions";
import { EmptyState } from "../../components/ui/empty-state";
@@ -23,6 +26,14 @@ import { SkeletonList } from "../../components/ui/skeleton";
import { TraceFileView } from "./trace-file-view";
import type { TraceHighlight } from "./timeline-chart";
/**
* Import file size cap, mirroring the server's route-side limit (agent-traces.ts).
* Checked on the raw picked file before it is read: base64-encoding an oversized
* pick and uploading it just to receive the server's 400 would materialize and
* send many times the cap for nothing.
*/
const MAX_TRACE_BYTES = 14 * 1024 * 1024;
interface TraceFileRef {
index: number;
date: string;
@@ -67,6 +78,7 @@ function AgentNode({
name,
defaultOpen,
focusSessionId,
canImport,
titleOf,
selection,
onSelect,
@@ -78,6 +90,8 @@ function AgentNode({
defaultOpen: boolean;
/** ?sessionId= deep link (jumped to directly from the evaluation center's runs): auto-selects that Session once the list is ready (only once). */
focusSessionId?: string;
/** Trace import is owner-only on the server; non-owners don't get the button. */
canImport: boolean;
titleOf: (agentId: string, sessionId: string) => string | undefined;
selection: Selection | null;
onSelect: (sel: Selection) => void;
@@ -85,6 +99,9 @@ function AgentNode({
const [open, setOpen] = useState(defaultOpen);
const [groups, setGroups] = useState<SessionGroup[] | null>(null);
const [error, setError] = useState<string | null>(null);
const [importing, setImporting] = useState(false);
/** Session to auto-select once the refreshed list arrives (the import response's sessionId). */
const importedSession = useRef<string | null>(null);
useEffect(() => {
if (!open || groups) return;
@@ -106,6 +123,53 @@ function AgentNode({
if (target) onSelect({ agentId, sessionId: target.sessionId, files: target.files });
}, [groups, focusSessionId, agentId, onSelect]);
// Post-import selection: once the refreshed list is in, select the imported
// Session — an import always creates a new Session whose only file is the
// imported one, so the default file pick is the imported file.
useEffect(() => {
const sid = importedSession.current;
if (sid === null || !groups) return;
importedSession.current = null;
const target = groups.find((g) => g.sessionId === sid);
if (target) onSelect({ agentId, sessionId: target.sessionId, files: target.files });
}, [groups, agentId, onSelect]);
const runImport = async (dataBase64: string) => {
setImporting(true);
try {
const res = await api.importAgentTrace(projectId, agentId, { dataBase64 });
// Drop the cached list so the fetch effect above reloads it; the effect
// watching `groups` then jumps to the imported Session.
importedSession.current = res.sessionId;
setGroups(null);
setOpen(true);
} catch (e: unknown) {
// Transient action failure → toast (the app's one notification rule; a
// rejected import isn't a state of the tree, unlike the load error below).
toastError(apiErrorText(e));
} finally {
setImporting(false);
}
};
const onPickFile = (e: ChangeEvent<HTMLInputElement>) => {
const file = e.target.files?.[0];
// Reset before reading so re-picking the same file fires change again.
e.target.value = "";
if (!file) return;
if (file.size > MAX_TRACE_BYTES) {
toastError(S.traces.fileTooLarge);
return;
}
const reader = new FileReader();
reader.onload = () => {
const url = reader.result as string;
void runImport(url.slice(url.indexOf(",") + 1)); // strip the data:...;base64, prefix
};
reader.onerror = () => toastError(S.common.unknownError);
reader.readAsDataURL(file);
};
// The group header and Session row styling matches the sidebar
// (components/layout/sidebar.tsx): the same information appearing in two
// places with a different shape would make it look like two different things.
@@ -126,9 +190,29 @@ function AgentNode({
<Chevron open={open} size={12} className="text-gray-400" />
<span className="min-w-0 flex-1" />
</button>
{canImport && (
<label
title={importing ? S.traces.importing : S.traces.importTrace}
className={`shrink-0 cursor-pointer rounded p-1 text-gray-400 transition-colors duration-150 hover:bg-gray-200/50 hover:text-gray-600 dark:hover:bg-gray-800/50 dark:hover:text-gray-300 ${
importing ? "pointer-events-none opacity-60" : ""
}`}
>
{/* sr-only rather than hidden: keeps it keyboard-Tab-focusable (same as the snapshot import). */}
<input
type="file"
accept=".jsonl"
className="sr-only"
disabled={importing}
onChange={onPickFile}
/>
<UploadIcon size={13} />
<span className="sr-only">{importing ? S.traces.importing : S.traces.importTrace}</span>
</label>
)}
</div>
{open && (
<div className="anim-fade">
{/* Load failure of the tree itself stays inline (the one-notification-rule keeps load states with their content, not in a disappearing toast). */}
{error && <p className="px-2.5 py-1 text-xs text-red-500">{error}</p>}
{!groups && !error && (
<p className="px-2.5 py-1 text-xs text-gray-400">{S.common.loading}</p>
@@ -232,6 +316,7 @@ export function TracesPage() {
{...(focusSessionId !== null && focusAgentId === a.agentId
? { focusSessionId }
: {})}
canImport={currentProject?.role === "owner"}
titleOf={titleOf}
selection={selection}
onSelect={(sel) => {
@@ -275,9 +360,25 @@ export function TracesPage() {
))}
</div>
</div>
<p className="truncate font-mono text-xs text-gray-400">
{selection.sessionId} · {activeFile.date} · {formatBytes(activeFile.sizeBytes)}
</p>
<div className="flex flex-wrap items-center gap-2">
<p className="min-w-0 flex-1 truncate font-mono text-xs text-gray-400">
{selection.sessionId} · {activeFile.date} · {formatBytes(activeFile.sizeBytes)}
</p>
{/* Raw-file download for the selected Trace file (same styling as the inactive file pills). */}
<a
href={api.agentTraceDownloadUrl(
projectId,
selection.agentId,
selection.sessionId,
activeFile.index,
)}
download
className="inline-flex shrink-0 items-center gap-1 rounded-md border border-gray-200 px-2 py-0.5 text-xs text-gray-500 transition-colors duration-150 hover:bg-gray-100 dark:border-gray-800 dark:text-gray-400 dark:hover:bg-gray-800/60"
>
<DownloadIcon size={12} />
{S.traces.exportFile}
</a>
</div>
<TraceFileView
projectId={projectId}
+8
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@@ -846,6 +846,11 @@ When done, open index.html in a browser and self-test once.`,
inProgress: "in progress",
systemPrompt: "System prompt",
toolDefs: (n: number) => `Tool definitions (${n})`,
exportFile: "Export",
importTrace: "Import Trace",
importing: "Importing…",
/** Client-side pre-check before reading the picked file (same cap as the server's import route). */
fileTooLarge: "The file exceeds the 14MB limit.",
},
benchmark: {
@@ -899,6 +904,9 @@ When done, open index.html in a browser and self-test once.`,
task_in_progress: "This Session already has a task running.",
version_conflict: "The snapshot's version is not newer than the current one.",
invalid_title: "The title is invalid.",
invalid_trace: "This file is not a valid Trace file.",
trace_session_exists:
"This agent already has a Session with that id; a duplicate Trace cannot be imported.",
},
},
};
+7
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@@ -825,6 +825,11 @@ Penguin 视觉风格(见 web-design 技能),深色/浅色主题(<html da
inProgress: "进行中",
systemPrompt: "系统提示词",
toolDefs: (n: number) => `工具定义(${n})`,
exportFile: "导出",
importTrace: "导入 Trace",
importing: "导入中…",
/** Client-side pre-check before reading the picked file (same cap as the server's import route). */
fileTooLarge: "文件超过 14MB 上限。",
},
benchmark: {
@@ -882,6 +887,8 @@ Penguin 视觉风格(见 web-design 技能),深色/浅色主题(<html da
task_in_progress: "该 Session 已有任务在运行。",
version_conflict: "快照版本不高于当前版本。",
invalid_title: "标题无效。",
invalid_trace: "该文件不是有效的 Trace 文件。",
trace_session_exists: "该 Agent 已存在同名 Session,无法导入重复的 Trace。",
},
},
};