- setSidebarCollapsed((v) => !v)} />
+ => {
+ const query = { start_ms: startMs, end_ms: endMs, cursor: cursor ?? undefined };
+ return apiClient.get(`/v1/traces`, { accessToken, query });
+};
+
+export const agentTraceCall = async (accessToken: string, traceId: string): Promise =>
+ apiClient.get(`/v1/traces/${encodeURIComponent(traceId)}`, { accessToken });
+
+export const agentTraceSpanCall = async (accessToken: string, traceId: string, spanId: string): Promise =>
+ apiClient.get(`/v1/traces/${encodeURIComponent(traceId)}/spans/${encodeURIComponent(spanId)}`, {
+ accessToken,
+ });
+
export const adminSpendLogsCall = async (accessToken: string) => {
try {
const data = await apiClient.get(`/global/spend/logs`, { accessToken });
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesPage.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesPage.tsx
new file mode 100644
index 00000000000..5b506cadbb0
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesPage.tsx
@@ -0,0 +1,42 @@
+"use client";
+
+import moment from "moment";
+import { useMemo, useState } from "react";
+
+import { AgentTracesSection } from "./AgentTracesSection";
+
+const DEFAULT_RANGE_HOURS = 24;
+const TIME_FORMAT = "YYYY-MM-DDTHH:mm";
+
+/** Agent Traces: agent runs (developer view). Lives as the "Agent Traces" tab of the Logs page. */
+export default function AgentTracesPage({ accessToken }: { accessToken: string }) {
+ const [rangeHours, setRangeHours] = useState(DEFAULT_RANGE_HOURS);
+ const [live, setLive] = useState(true);
+ const [anchor, setAnchor] = useState(() => moment());
+ const { startTime, endTime } = useMemo(
+ () => ({
+ startTime: anchor.clone().subtract(rangeHours, "hours").format(TIME_FORMAT),
+ endTime: anchor.format(TIME_FORMAT),
+ }),
+ [anchor, rangeHours],
+ );
+
+ const changeRange = (hours: number) => {
+ setRangeHours(hours);
+ setAnchor(moment());
+ };
+
+ return (
+ (null);
+ const [query, setQuery] = useState("");
+ const [service, setService] = useState(ALL_SERVICES);
+ const [status, setStatus] = useState("all");
+ const [showSetup, setShowSetup] = useState(false);
+ const [zoom, setZoom] = useState(null);
+ const [rangeChanged, setRangeChanged] = useState(false);
+ const traceQuery = { accessToken, startTime, endTime, isCustomDate, isLiveTail, enabled: isActive };
+ const traces = useAgentTraces(traceQuery);
+
+ const services = useMemo(() => Array.from(new Set(traces.traces.map((t) => t.service))).sort(), [traces.traces]);
+ // Relative ranges end "now" (the list query uses Date.now() too); round to the minute so the histogram is stable.
+ const endMs = isCustomDate ? moment(endTime).valueOf() : moment().endOf("minute").valueOf();
+ const range = useMemo(
+ () => ({ startMs: traceWindowStartMs(startTime, endTime, isCustomDate, endMs), endMs }),
+ [startTime, endTime, isCustomDate, endMs],
+ );
+ const filtered = useMemo(
+ () => filterRuns(traces.traces, query, service, status),
+ [traces.traces, query, service, status],
+ );
+ const runs = useMemo(() => (zoom ? filterByWindow(filtered, zoom) : filtered), [filtered, zoom]);
+
+ const changeRange = (hours: number, apply: (hours: number) => void) => {
+ setZoom(null);
+ setRangeChanged(true);
+ apply(hours);
+ };
+
+ const openRun = (traceId: string | null) => {
+ setOpenTraceId(traceId);
+ onRunOpenChange?.(traceId !== null);
+ };
+
+ if (traces.notEnabledDetail !== null) return openRun(null)} />;
+ }
+
+ return (
+ | undefined;
+ isLoading: boolean;
+}
+
+/** Raw OTEL attributes as a key / value grid, ids first. */
+export function AttributesDetail({ traceId, span, attributes, isLoading }: AttributesDetailProps) {
+ const entries: [string, string][] = [
+ ["trace_id", traceId],
+ ["span_id", span.span_id],
+ ["parent_span_id", span.parent_span_id ?? "—"],
+ ...Object.entries(attributes ?? {}).sort(([a], [b]) => a.localeCompare(b)),
+ ];
+ return (
+
+
+ {copied ? copiedLabel : label}
+
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/DetailContent.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/DetailContent.tsx
new file mode 100644
index 00000000000..d60805e8f45
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/DetailContent.tsx
@@ -0,0 +1,152 @@
+"use client";
+
+import { useQuery, type UseQueryOptions } from "@tanstack/react-query";
+import { AlertTriangle, Bot, CornerDownRight, Wrench } from "lucide-react";
+
+import { agentTraceSpanCall } from "../../networking";
+import type { ErrorSource } from "./traceTree";
+import type { Span, SpanDetail, TraceMessage } from "./traceTypes";
+import { errorSource, parseMessages, prettyPayload } from "./traceUtils";
+
+const ERROR_SOURCE_LABEL: Record = { tool: "Tool", model: "Model", litellm: "LiteLLM" };
+const TRACEBACK_MARKER = "Traceback (most recent call last):";
+
+/** LangSmith records `repr(exc)` + traceback with no separator; keep the exception line. */
+export const errorHeadline = (error: string): string =>
+ (error.split(TRACEBACK_MARKER, 1)[0].split("\n")[0] ?? "").trim() || error.trim();
+
+/** `ValueError('x not found')` → "ValueError"; plain text → "error". */
+const errorReason = (headline: string): string => /^([A-Za-z_][\w.]*)\(/.exec(headline)?.[1] ?? "error";
+
+/** Shared lazy fetch of one span's full input / output / attributes. */
+export function useSpanDetail(accessToken: string, traceId: string, spanId: string | null) {
+ const queryOptions: UseQueryOptions = {
+ queryKey: ["agentTraceSpan", traceId, spanId, accessToken],
+ queryFn: () => agentTraceSpanCall(accessToken, traceId, spanId as string),
+ enabled: spanId !== null,
+ staleTime: Infinity,
+ };
+ return useQuery(queryOptions);
+}
+
+export function SectionLabel({ children }: { children: React.ReactNode }) {
+ return (
+
+ {label}
+
+ );
+}
+
+function RoleIcon({ role }: { role: string }) {
+ if (role === "assistant") return
+
+ );
+}
+
+export function ErrorBlock({ span }: { span: Span }) {
+ const source = errorSource(span);
+ if (!source) return null;
+ const headline = errorHeadline(span.error ?? "") || "Span reported an error status.";
+ return (
+
+
+ );
+}
+
+function Payload({ label, value, mono }: { label: string; value: string; mono: boolean }) {
+ const messages = parseMessages(value);
+ if (messages) {
+ return (
+ <>
+ {`${label}${messages.length > 1 ? ` · ${messages.length} messages` : ""}`}
+ {messages.map((message, i) => (
+ ): Span => ({
+ parent_span_id: "root",
+ name: overrides.span_id,
+ type: "chain",
+ agent: "support_triage_agent",
+ start_offset_ms: 0,
+ duration_ms: 1300,
+ status: "ok",
+ error: null,
+ input_preview: "",
+ model: null,
+ input_tokens: 0,
+ output_tokens: 0,
+ litellm_request_id: null,
+ ...overrides,
+});
+
+const rootFields: SpanFields = { span_id: "root", parent_span_id: null, name: "support_triage_agent", type: "agent" };
+const llmFields: SpanFields = {
+ span_id: "llm1",
+ name: "ChatOpenAI",
+ type: "llm",
+ model: "claude-sonnet-4-5",
+ input_tokens: 659,
+ output_tokens: 60,
+ litellm_request_id: "chatcmpl-abc",
+};
+const failedToolFields: SpanFields = {
+ span_id: "tool1",
+ name: "get_customer_plan",
+ type: "tool",
+ status: "error",
+ error:
+ "ValueError('customer acme-404 not found in billing DB')Traceback (most recent call last):\n File \"x.py\", line 1",
+};
+const root = span(rootFields);
+const llm = span(llmFields);
+const failedTool = span(failedToolFields);
+
+const trace: Trace = {
+ summary: {
+ trace_id: "t1",
+ name: "support_triage_agent",
+ service: "research-agent",
+ input_preview: '[{"role": "user", "content": "Customer acme-404 says billing is wrong."}]',
+ start_time: "2026-09-30T06:43:52.928000+00:00",
+ duration_ms: 1310,
+ status: "ok",
+ span_count: 3,
+ agent_count: 1,
+ agent_invocations: 1,
+ llm_calls: 1,
+ tool_calls: 1,
+ error_count: 1,
+ input_tokens: 659,
+ output_tokens: 60,
+ models: ["claude-sonnet-4-5"],
+ } as Trace["summary"],
+ agents: [],
+ spans: [root, llm, failedTool],
+};
+
+const details: Record = {
+ llm1: {
+ span_id: "llm1",
+ input: JSON.stringify([
+ { role: "system", content: "You are a LiteLLM support agent." },
+ { role: "user", content: "Customer acme-404 says billing is wrong." },
+ ]),
+ output: JSON.stringify({
+ role: "assistant",
+ content: "",
+ tool_calls: [{ name: "get_customer_plan", args: { customer_id: "acme-404" } }],
+ }),
+ attributes: { "gen_ai.request.model": "claude-sonnet-4-5" },
+ },
+ tool1: { span_id: "tool1", input: '{"customer_id":"acme-404"}', output: "", attributes: {} },
+ root: {
+ span_id: "root",
+ input: JSON.stringify([{ role: "user", content: "Customer acme-404 says billing is wrong." }]),
+ output: JSON.stringify({ role: "assistant", content: "Customer acme-404 is on the Enterprise plan." }),
+ attributes: {},
+ },
+};
+
+const spanRow = (s: Span): SpanRowData => ({
+ kind: "span",
+ id: s.span_id,
+ span: s,
+ depth: 1,
+ hasChildren: false,
+ collapsed: false,
+});
+
+const renderPane = (row: SpanRowData | GroupRowData) =>
+ renderWithProviders(' with the exception line and no traceback", async () => {
+ renderPane(spanRow(failedTool));
+ const error = screen.getByRole("region", { name: "Error" });
+ expect(error).toHaveTextContent("Tool · ValueError");
+ expect(error).toHaveTextContent("ValueError('customer acme-404 not found in billing DB')");
+ expect(error).not.toHaveTextContent("Traceback");
+ // tool args render as pretty JSON under "Input"
+ expect(await screen.findByText(/"customer_id": "acme-404"/)).toBeInTheDocument();
+ });
+
+ it("shows the LiteLLM request facts on the Request tab", async () => {
+ const user = userEvent.setup();
+ renderPane(spanRow(llm));
+ await user.click(screen.getByRole("tab", { name: "Request" }));
+ expect(await screen.findByText("chatcmpl-abc")).toBeInTheDocument();
+ expect(screen.getByText("659")).toBeInTheDocument();
+ expect(screen.getByRole("button", { name: /Open request log/ })).toBeInTheDocument();
+ });
+
+ it("summarizes a ×N group with its failure pattern", () => {
+ const members = Array.from({ length: 12 }, (_, i) => {
+ const timedOut: SpanFields = {
+ span_id: `f${i}`,
+ name: "lookup_benchmark",
+ type: "tool",
+ status: "error",
+ error: "TimeoutError('slow')",
+ };
+ return span(timedOut);
+ });
+ const groupRow: GroupRowData = {
+ kind: "group",
+ id: "grp",
+ depth: 1,
+ name: "lookup_benchmark",
+ type: "tool",
+ agent: "researcher",
+ members,
+ failedCount: 12,
+ p50Duration: 640,
+ isFailureGroup: true,
+ expanded: false,
+ };
+ renderPane(groupRow);
+ const pane = screen.getByRole("complementary", { name: "Group details" });
+ expect(pane).toHaveTextContent("lookup_benchmark ×12");
+ expect(pane).toHaveTextContent("Invocations12");
+ expect(pane).toHaveTextContent("Failed12");
+ expect(pane).toHaveTextContent("TimeoutError('slow')");
+ });
+
+ it("'Copy step' copies a curl for just this span as Markdown", async () => {
+ const user = userEvent.setup();
+ const writeText = vi.fn().mockResolvedValue(undefined);
+ Object.defineProperty(navigator, "clipboard", { value: { writeText }, configurable: true });
+ renderPane(spanRow(llm));
+ await user.click(screen.getByRole("button", { name: "Copy step" }));
+ await waitFor(() => expect(writeText).toHaveBeenCalled());
+ expect(writeText.mock.calls[0][0]).toContain("http://proxy.test/v1/traces/t1?format=md&span_id=llm1");
+ });
+});
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/DetailPane.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/DetailPane.tsx
new file mode 100644
index 00000000000..0a4dd3c5029
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/DetailPane.tsx
@@ -0,0 +1,188 @@
+"use client";
+
+import { PanelRightClose } from "lucide-react";
+import { useState } from "react";
+
+import { Button } from "@/components/ui/button";
+import { cn } from "@/lib/cva.config";
+
+import { AttributesDetail } from "./AttributesDetail";
+import { CopyButton } from "./CopyButton";
+import { DetailContent, errorHeadline, useSpanDetail } from "./DetailContent";
+import { RequestDetail } from "./RequestDetail";
+import { agentHandoffText } from "./TraceDrawer";
+import type { GroupRowData, TreeRow } from "./traceTree";
+import type { Span, Trace } from "./traceTypes";
+import { fmtMs, fmtTok } from "./traceUtils";
+
+interface DetailPaneProps {
+ trace: Trace;
+ row: TreeRow | undefined;
+ accessToken: string;
+ onClose: () => void;
+}
+
+type Tab = "content" | "request" | "attributes";
+
+const TABS: { id: Tab; label: string }[] = [
+ { id: "content", label: "Content" },
+ { id: "request", label: "Request" },
+ { id: "attributes", label: "Attributes" },
+];
+
+function PaneHeader({ children, onClose }: { children: React.ReactNode; onClose: () => void }) {
+ return (
+ ("content");
+ const traceId = trace.summary.trace_id;
+ const detailQuery = useSpanDetail(accessToken, traceId, tab === "attributes" ? span.span_id : null);
+ const tokens = span.input_tokens + span.output_tokens;
+ return (
+
+ );
+}
+
+function GroupMetric({ label, value }: { label: string; value: string }) {
+ return (
+ (null);
+
+ useEffect(() => {
+ scrollRef.current
+ ?.querySelector(`[data-row-id="${CSS.escape(selectedId)}"]`)
+ ?.scrollIntoView?.({ block: "nearest" });
+ }, [selectedId]);
+
+ return (
+
+
+ );
+}
+
+function Kbd({ children }: { children: React.ReactNode }) {
+ return (
+
+ {children}
+
+ );
+}
+
+interface TreeRowItemProps {
+ row: TreeRow;
+ selected: boolean;
+ totalMs: number;
+ onSelect: (id: string) => void;
+ onToggleSpan: (id: string) => void;
+ onToggleGroup: (id: string) => void;
+ onLoadMore: (groupId: string) => void;
+}
+
+function TreeRowItem({ row, selected, totalMs, onSelect, onToggleSpan, onToggleGroup, onLoadMore }: TreeRowItemProps) {
+ if (row.kind === "load-more") {
+ return (
+
+ );
+ }
+
+ if (row.kind === "group") {
+ const start = Math.min(...row.members.map((m) => m.start_offset_ms));
+ const end = Math.max(...row.members.map((m) => m.start_offset_ms + m.duration_ms));
+ return (
+
+ );
+ }
+
+ const { span } = row;
+ const failed = span.status === "error";
+ return (
+
+ );
+}
+
+function TypeIcon({ type, error }: { type: SpanType; error: boolean }) {
+ const className = cn("size-3 shrink-0", error ? "text-destructive" : "text-muted-foreground");
+ if (type === "agent") return , id: string): Set => {
+ const next = new Set(set);
+ if (next.has(id)) next.delete(id);
+ else next.add(id);
+ return next;
+};
+
+function CopyForAgent({ traceId }: { traceId: string }) {
+ const [copied, setCopied] = useState(false);
+ useEffect(() => {
+ if (!copied) return;
+ const timeout = window.setTimeout(() => setCopied(false), 1600);
+ return () => window.clearTimeout(timeout);
+ }, [copied]);
+ return (
+
+ );
+}
+
+function Stat({ label, value, error = false }: { label: string; value: string; error?: boolean }) {
+ return (
+
+ {label}
+ {value}
+
+ );
+}
+
+function RunHeader({ trace, onBack }: { trace: Trace; onBack: () => void }) {
+ const { summary } = trace;
+ const failed = summary.error_count > 0;
+ return (
+
+
+
+ );
+}
+
+/** Tree + detail pane for one loaded run, with J/K/arrow keyboard navigation. */
+function RunBody({ trace, accessToken }: { trace: Trace; accessToken: string }) {
+ const initial = useMemo(() => initialRunSelection(trace), [trace]);
+ const [state, setState] = useState(initial.state);
+ const [selectedId, setSelectedId] = useState(initial.selectedId);
+ const [detailOpen, setDetailOpen] = useState(true);
+
+ const rows = useMemo(() => buildTreeRows(trace.spans, state), [trace, state]);
+ const selectedRow: TreeRow | undefined = rows.find((row) => row.id === selectedId) ?? rows[0];
+
+ const select = useCallback((id: string) => {
+ setSelectedId(id);
+ setDetailOpen(true);
+ }, []);
+ const toggleSpan = useCallback(
+ (id: string) => setState((prev) => ({ ...prev, collapsedSpanIds: toggle(prev.collapsedSpanIds, id) })),
+ [],
+ );
+ const toggleGroup = useCallback(
+ (id: string) => setState((prev) => ({ ...prev, expandedGroupIds: toggle(prev.expandedGroupIds, id) })),
+ [],
+ );
+ const loadMore = useCallback(
+ (groupId: string) =>
+ setState((prev) => ({
+ ...prev,
+ groupRevealCounts: {
+ ...prev.groupRevealCounts,
+ [groupId]: (prev.groupRevealCounts[groupId] ?? GROUP_PAGE_SIZE) + GROUP_PAGE_SIZE,
+ },
+ })),
+ [],
+ );
+
+ useEffect(() => {
+ const onKeyDown = (event: KeyboardEvent) => {
+ if ((event.target as HTMLElement | null)?.matches("input, textarea, [role='combobox']")) return;
+ const index = rows.findIndex((row) => row.id === selectedRow?.id);
+ const row = rows[index];
+ if (event.key === "Escape" && detailOpen) {
+ event.preventDefault();
+ event.stopPropagation();
+ setDetailOpen(false);
+ return;
+ }
+ if (["j", "J", "ArrowDown"].includes(event.key)) {
+ event.preventDefault();
+ const next = rows[Math.min(rows.length - 1, index + 1)];
+ if (next) select(next.id);
+ } else if (["k", "K", "ArrowUp"].includes(event.key)) {
+ event.preventDefault();
+ const next = rows[Math.max(0, index - 1)];
+ if (next) select(next.id);
+ } else if (event.key === "ArrowLeft" && row) {
+ if (row.kind === "span" && row.hasChildren && !row.collapsed) toggleSpan(row.id);
+ if (row.kind === "group" && row.expanded) toggleGroup(row.id);
+ } else if (event.key === "ArrowRight" && row) {
+ if (row.kind === "span" && row.hasChildren && row.collapsed) toggleSpan(row.id);
+ if (row.kind === "group" && !row.expanded) toggleGroup(row.id);
+ }
+ };
+ window.addEventListener("keydown", onKeyDown, true);
+ return () => window.removeEventListener("keydown", onKeyDown, true);
+ }, [rows, selectedRow, detailOpen, select, toggleSpan, toggleGroup]);
+
+ return (
+ (null);
+ const [drag, setDrag] = useState(null);
+ const [draft, setDraft] = useState(null);
+ const areaRef = useRef(null);
+ const [stripWidth, setStripWidth] = useState(0);
+
+ useEffect(() => {
+ const el = areaRef.current;
+ if (!el) return;
+ const measure = () => setStripWidth(el.getBoundingClientRect().width);
+ measure();
+ if (typeof ResizeObserver === "undefined") return;
+ const observer = new ResizeObserver(measure);
+ observer.observe(el);
+ return () => observer.disconnect();
+ }, []);
+
+ const committed = bandForWindow(buckets, selection);
+ const band = drag ? draft : committed;
+ const windowOf = (b: Band): TimeWindow => ({ startMs: buckets[b.lo].startMs, endMs: buckets[b.hi].endMs });
+
+ const indexAt = (clientX: number): number => {
+ const rect = areaRef.current?.getBoundingClientRect();
+ if (!rect || rect.width === 0) return 0;
+ return Math.min(BUCKETS - 1, Math.max(0, Math.floor(((clientX - rect.left) / rect.width) * BUCKETS)));
+ };
+ const begin = (mode: DragMode, e: React.PointerEvent) => {
+ e.preventDefault();
+ e.stopPropagation();
+ areaRef.current?.setPointerCapture?.(e.pointerId);
+ const at = indexAt(e.clientX);
+ const start = mode === "select" || committed === null ? { lo: at, hi: at } : committed;
+ setDrag({ mode: committed === null ? "select" : mode, origin: at, band: start });
+ setDraft(start);
+ };
+ const onHandleDown = (mode: DragMode) => (e: React.PointerEvent) => begin(mode, e);
+ const onMove = (e: React.PointerEvent) => {
+ const at = indexAt(e.clientX);
+ setHover(at);
+ if (drag) setDraft(dragUpdate(drag, at));
+ };
+ const onUp = (e: React.PointerEvent) => {
+ areaRef.current?.releasePointerCapture?.(e.pointerId);
+ if (!drag || !draft) return;
+ const finished = draft;
+ const wasSelect = drag.mode === "select";
+ setDrag(null);
+ setDraft(null);
+ if (wasSelect && finished.lo === finished.hi) {
+ onSelect(null);
+ return;
+ }
+ onSelect(windowOf(finished));
+ };
+ const onKeyDown = (e: React.KeyboardEvent) => {
+ if (e.key !== "Escape" || selection === null) return;
+ e.preventDefault();
+ onSelect(null);
+ };
+
+ const isDimmed = (i: number): boolean => band !== null && (i < band.lo || i > band.hi);
+ const labelFormat = edgeFormat(range);
+
+ return (
+ ): string =>
+ [OTEL_BASE_PACKAGES, guide.packages].filter(Boolean).join(" ");
+
+/** The endpoint is the proxy base URL: OTLP exporters append /v1/traces themselves. */
+export const tracingEnvSnippet = (proxyUrl: string): string =>
+ [
+ `export OTEL_EXPORTER_OTLP_ENDPOINT=${proxyUrl}`,
+ 'export OTEL_EXPORTER_OTLP_HEADERS="Authorization=Bearer $LITELLM_API_KEY"',
+ "export OTEL_SERVICE_NAME=my-agent",
+ ].join("\n");
+
+export const codingAgentPrompt = (proxyUrl: string, guide: Pick): string =>
+ [
+ `Send this ${guide.label} project's OpenTelemetry traces to LiteLLM.`,
+ "",
+ `1. Add these dependencies: ${installPackages(guide)}`,
+ "2. Set these env vars wherever the project loads config (.env, settings, deployment manifests):",
+ ` OTEL_EXPORTER_OTLP_ENDPOINT=${proxyUrl}`,
+ ' OTEL_EXPORTER_OTLP_HEADERS="Authorization=Bearer $LITELLM_API_KEY"',
+ " OTEL_SERVICE_NAME=",
+ "3. Start the app through OTEL auto-instrumentation: opentelemetry-instrument .",
+ `4. Point every LLM client at LiteLLM: base_url=${proxyUrl}/v1, api key from LITELLM_API_KEY.`,
+ "5. Give each agent and subagent a name so runs are easy to read.",
+ "6. Run the agent once and confirm the run shows up in the LiteLLM UI under Logs > Agent Traces.",
+ "",
+ "Never hardcode the key. Read it from LITELLM_API_KEY.",
+ ].join("\n");
+
+export const PROXY_CONFIG_SNIPPET = [
+ "general_settings:",
+ " tracing:",
+ " store: clickhouse",
+ "",
+ "# env: CLICKHOUSE_URL (writer) and CLICKHOUSE_READER_URL (read-only user)",
+].join("\n");
+
+function CodeBlock({ code, tabs, wrap = false }: { code: string; tabs?: React.ReactNode; wrap?: boolean }) {
+ const [copied, setCopied] = useState(false);
+ const copy = async () => {
+ await copyToClipboard(code);
+ setCopied(true);
+ window.setTimeout(() => setCopied(false), COPIED_RESET_MS);
+ };
+ return (
+ ({
+ value,
+ options,
+ onChange,
+}: {
+ value: T;
+ options: T[];
+ onChange: (v: T) => void;
+}) {
+ return (
+
+
+ );
+}
+
+function SetupStatus({ detail, connected }: { detail: string | null; connected: boolean }) {
+ const pill = "inline-flex items-center gap-1.5 rounded-full bg-muted px-2.5 py-1 text-[12px] text-foreground";
+ const hint = "text-[13px] text-muted-foreground";
+ if (connected) {
+ return (
+ <>
+
+
+
+ );
+}
+
+function FrameworkPicker({ value, onChange }: { value: string; onChange: (id: string) => void }) {
+ return (
+ ("pip");
+ const guide = FRAMEWORKS.find((f) => f.id === framework) ?? FRAMEWORKS[0];
+ const packages = installPackages(guide);
+ const install = installer === "pip" ? `pip install -U ${packages}` : `uv add ${packages}`;
+
+ return (
+ ;
+ expandedGroupIds: ReadonlySet;
+ groupRevealCounts: Readonly>;
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/traceTypes.ts b/ui/litellm-dashboard/src/components/view_logs/TraceView/traceTypes.ts
new file mode 100644
index 00000000000..f2611b17ad5
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/traceTypes.ts
@@ -0,0 +1,89 @@
+/**
+ * Agent tracing types. Mirrors `litellm/tracing/types.py` exactly.
+ *
+ * A trace is one agent run made of spans (agent / llm / tool / chain / framework).
+ */
+
+export type SpanType = "agent" | "llm" | "tool" | "chain" | "framework";
+export type SpanStatus = "ok" | "error" | "unset";
+
+export interface Span {
+ span_id: string;
+ parent_span_id: string | null;
+ name: string;
+ type: SpanType;
+ /** The agent this span runs inside, e.g. "researcher". */
+ agent: string;
+ /** Relative to trace start. */
+ start_offset_ms: number;
+ duration_ms: number;
+ status: SpanStatus;
+ /** Exception message when status is "error". */
+ error?: string | null;
+ input_preview: string;
+ model: string | null;
+ input_tokens: number;
+ output_tokens: number;
+ litellm_request_id: string | null;
+}
+
+/** One distinct agent in a trace. 200 invocations of `researcher` = one node. */
+export interface AgentNode {
+ name: string;
+ parent_agent: string | null;
+ invocations: number;
+ llm_calls: number;
+ tool_calls: number;
+ duration_ms: number;
+}
+
+export interface TraceSummary {
+ trace_id: string;
+ name: string;
+ service: string;
+ input_preview: string;
+ /** ISO 8601 */
+ start_time: string;
+ duration_ms: number;
+ status: SpanStatus;
+ span_count: number;
+ agent_count: number;
+ llm_calls: number;
+ tool_calls: number;
+ /** Spans with an error status; > 0 means the run shows as failed. */
+ error_count: number;
+ input_tokens: number;
+ output_tokens: number;
+ models: string[];
+}
+
+export interface Trace {
+ summary: TraceSummary;
+ agents: AgentNode[];
+ spans: Span[];
+}
+
+export interface TracePage {
+ data: TraceSummary[];
+ next_cursor: string | null;
+}
+
+/** `input` / `output` are JSON strings (messages for llm spans, raw args / result for tools). */
+export interface SpanDetail {
+ span_id: string;
+ input: string;
+ output: string;
+ attributes: Record;
+}
+
+export interface TraceToolCall {
+ name: string;
+ args: unknown;
+}
+
+export interface TraceMessage {
+ role: string;
+ content: string;
+ name?: string;
+ tool_calls?: TraceToolCall[];
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/traceUtils.test.ts b/ui/litellm-dashboard/src/components/view_logs/TraceView/traceUtils.test.ts
new file mode 100644
index 00000000000..bc51be42f1e
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/traceUtils.test.ts
@@ -0,0 +1,269 @@
+import { describe, expect, it } from "vitest";
+
+import deepAgentTrace from "./__fixtures__/deep_agent_trace.json";
+import researchTrace from "./__fixtures__/research_trace.json";
+import swarmTrace from "./__fixtures__/swarm_trace.json";
+import { type SpanTreeState, type TreeRow } from "./traceTree";
+import type { Span, Trace } from "./traceTypes";
+import {
+ buildTreeRows,
+ buildVisibleTree,
+ errorSource,
+ firstErrorSpan,
+ fmtMs,
+ GROUP_PAGE_SIZE,
+ groupRowId,
+ isFrameworkSpan,
+ median,
+ parseMessages,
+ previewText,
+ revealSpanInState,
+ ROOT_KEY,
+} from "./traceUtils";
+
+const swarm = swarmTrace as Trace;
+const research = researchTrace as Trace;
+const deepAgent = deepAgentTrace as Trace;
+
+const STATE: SpanTreeState = {
+ hideFramework: true,
+ collapsedSpanIds: new Set(),
+ expandedGroupIds: new Set(),
+ groupRevealCounts: {},
+};
+
+type SpanOverrides = Partial & Pick;
+
+const span = (overrides: SpanOverrides): Span => ({
+ parent_span_id: null,
+ name: overrides.span_id,
+ type: "chain",
+ agent: "root",
+ start_offset_ms: 0,
+ duration_ms: 1,
+ status: "ok",
+ error: null,
+ input_preview: "",
+ model: null,
+ input_tokens: 0,
+ output_tokens: 0,
+ litellm_request_id: null,
+ ...overrides,
+});
+
+const groups = (rows: TreeRow[]) => rows.filter((r): r is Extract => r.kind === "group");
+const spanRows = (rows: TreeRow[]) => rows.filter((r): r is Extract => r.kind === "span");
+
+describe("formatting", () => {
+ it("formats durations", () => {
+ expect(fmtMs(4.25)).toBe("4.3ms");
+ expect(fmtMs(950)).toBe("950ms");
+ expect(fmtMs(51386)).toBe("51.39s");
+ });
+
+ it("pulls the user message out of a truncated JSON preview", () => {
+ expect(previewText('[{"role": "user", "content": "Customer acme-404 says billing is wrong."}]')).toBe(
+ "Customer acme-404 says billing is wrong.",
+ );
+ expect(previewText('[{"role": "system", "content": "sys"}, {"role": "user", "content": "Compare ingest thr')).toBe(
+ "Compare ingest thr",
+ );
+ expect(previewText("plain text")).toBe("plain text");
+ });
+
+ it("pulls the user message out of an OpenInference LangChain input", () => {
+ const input =
+ '{"messages": [{"type": "human", "data": {"content": "Customer acme-7 keeps hitting 429s", "type": "human"';
+ expect(previewText(input)).toBe("Customer acme-7 keeps hitting 429s");
+ });
+
+ it("takes the upper median", () => {
+ expect(median([3, 1, 2])).toBe(2);
+ expect(median([4, 1, 3, 2])).toBe(3);
+ expect(median([])).toBe(0);
+ });
+});
+
+describe("buildVisibleTree / isFrameworkSpan", () => {
+ it("hides framework spans and re-parents their children", () => {
+ const middleware: SpanOverrides = {
+ span_id: "mw",
+ parent_span_id: "root",
+ type: "framework",
+ name: "X.wrap_model_call",
+ };
+ const modelNode: SpanOverrides = { span_id: "model", parent_span_id: "mw", type: "chain", name: "model" };
+ const llmCall: SpanOverrides = { span_id: "llm", parent_span_id: "model", type: "llm", start_offset_ms: 5 };
+ const planner: SpanOverrides = {
+ span_id: "step",
+ parent_span_id: "root",
+ type: "chain",
+ name: "planner",
+ start_offset_ms: 1,
+ };
+ const spans = [
+ span({ span_id: "root", type: "agent" }),
+ span(middleware),
+ span(modelNode),
+ span(llmCall),
+ span(planner),
+ ];
+ const compact = buildVisibleTree(spans, false);
+ expect(compact.children.get(ROOT_KEY)?.map((s) => s.span_id)).toEqual(["root"]);
+ expect(compact.children.get("root")?.map((s) => s.span_id)).toEqual(["step", "llm"]);
+ expect(buildVisibleTree(spans, true).visibleCount).toBe(5);
+ });
+
+ it("never hides the root span", () => {
+ expect(isFrameworkSpan(span({ span_id: "r", type: "framework" }))).toBe(false);
+ });
+});
+
+describe("buildTreeRows", () => {
+ it("starts the tree at the root span", () => {
+ const rows = buildTreeRows(research.spans, STATE);
+ expect(rows[0]).toMatchObject({
+ kind: "span",
+ depth: 0,
+ id: research.spans.find((s) => s.parent_span_id === null)?.span_id,
+ });
+ });
+
+ it("hides every framework / graph-node span of the real Deep Agents trace, keeping all LLM calls", () => {
+ const rows = buildTreeRows(research.spans, STATE);
+ const shown = new Set(spanRows(rows).map((r) => r.span.span_id));
+ expect(research.spans.filter(isFrameworkSpan).every((s) => !shown.has(s.span_id))).toBe(true);
+ const all = buildTreeRows(research.spans, { ...STATE, hideFramework: false });
+ expect(spanRows(all).length).toBeGreaterThan(spanRows(rows).length);
+ });
+
+ it("folds the swarm's 12 researcher invocations into one group row", () => {
+ const rows = buildTreeRows(swarm.spans, STATE);
+ const researcher = groups(rows).find((g) => g.name === "researcher" && g.type === "agent");
+ expect(researcher?.members).toHaveLength(12);
+ expect(researcher?.expanded).toBe(false);
+ expect(researcher?.p50Duration).toBeGreaterThan(0);
+ // folded members are not rendered until the group is expanded
+ expect(spanRows(rows).some((r) => r.span.name === "researcher")).toBe(false);
+ });
+
+ it("folds as few as 3 failed siblings of the same tool into a failure group", () => {
+ const parent = span({ span_id: "p", type: "agent" });
+ const failing = [0, 1, 2].map((i) => {
+ const failedGrep: SpanOverrides = {
+ span_id: `t${i}`,
+ parent_span_id: "p",
+ type: "tool",
+ name: "grep_code",
+ status: "error",
+ start_offset_ms: i,
+ };
+ return span(failedGrep);
+ });
+ const rows = buildTreeRows([parent, ...failing], STATE);
+ const group = groups(rows)[0];
+ expect(group).toMatchObject({ name: "grep_code", failedCount: 3, isFailureGroup: true });
+ });
+
+ it("never folds same-named calls from different agents into one group", () => {
+ const parent = span({ span_id: "p", type: "agent" });
+ const calls = [0, 1, 2, 3, 4, 5].map((i) => {
+ const call: SpanOverrides = {
+ span_id: `c${i}`,
+ parent_span_id: "p",
+ type: "llm",
+ name: "ChatOpenAI",
+ agent: i < 3 ? "planner" : "critic",
+ };
+ return span(call);
+ });
+ const rows = buildTreeRows([parent, ...calls], STATE);
+ expect(groups(rows)).toHaveLength(0);
+ expect(spanRows(rows).filter((r) => r.span.name === "ChatOpenAI")).toHaveLength(6);
+ });
+
+ it("leaves 5 healthy same-named siblings unfolded", () => {
+ const parent = span({ span_id: "p", type: "agent" });
+ const kids = [0, 1, 2, 3, 4].map((i) => {
+ const search: SpanOverrides = { span_id: `k${i}`, parent_span_id: "p", type: "tool", name: "search" };
+ return span(search);
+ });
+ expect(groups(buildTreeRows([parent, ...kids], STATE))).toHaveLength(0);
+ });
+
+ it("pages expanded groups 20 at a time with a load-more row", () => {
+ const parent = span({ span_id: "p", type: "agent" });
+ const kids = Array.from({ length: 45 }, (_, i) => {
+ const worker: SpanOverrides = {
+ span_id: `k${i}`,
+ parent_span_id: "p",
+ type: "agent",
+ name: "worker",
+ start_offset_ms: i,
+ };
+ return span(worker);
+ });
+ const all = [parent, ...kids];
+ const id = groupRowId("p", kids[0]);
+ const page1 = buildTreeRows(all, { ...STATE, expandedGroupIds: new Set([id]) });
+ expect(spanRows(page1).filter((r) => r.span.name === "worker")).toHaveLength(GROUP_PAGE_SIZE);
+ expect(page1.find((r) => r.kind === "load-more")).toMatchObject({ groupId: id, remaining: 25 });
+ const everything = buildTreeRows(all, {
+ ...STATE,
+ expandedGroupIds: new Set([id]),
+ groupRevealCounts: { [id]: 60 },
+ });
+ expect(spanRows(everything).filter((r) => r.span.name === "worker")).toHaveLength(45);
+ expect(everything.some((r) => r.kind === "load-more")).toBe(false);
+ });
+
+ it("hides the children of collapsed spans", () => {
+ const root = swarm.spans.find((s) => s.parent_span_id === null) as Span;
+ const rows = buildTreeRows(swarm.spans, { ...STATE, collapsedSpanIds: new Set([root.span_id]) });
+ expect(rows.map((r) => r.kind)).toEqual(["span"]);
+ });
+});
+
+describe("revealSpanInState", () => {
+ it("opens the path to a span nested in a folded group so the view can land on it", () => {
+ const failed = firstErrorSpan(swarm.spans) as Span;
+ const state = revealSpanInState(swarm.spans, STATE, failed.span_id);
+ const rows = buildTreeRows(swarm.spans, state);
+ expect(rows.some((r) => r.id === failed.span_id)).toBe(true);
+ });
+});
+
+describe("errorSource", () => {
+ it("blames the tool, LiteLLM, or the model", () => {
+ expect(errorSource(span({ span_id: "a", status: "ok" }))).toBeNull();
+ const failure = (span_id: string, type: Span["type"], error: string): Span => {
+ const failed: SpanOverrides = { span_id, type, error, status: "error" };
+ return span(failed);
+ };
+ expect(errorSource(failure("t", "tool", "boom"))).toBe("tool");
+ expect(errorSource(failure("l", "llm", "429 Rate limit exceeded"))).toBe("litellm");
+ expect(errorSource(failure("g", "llm", "Blocked by guardrail"))).toBe("litellm");
+ expect(errorSource(failure("m", "llm", "context length exceeded"))).toBe("model");
+ });
+
+ it("classifies the swarm's failing lookup_benchmark calls as tool errors", () => {
+ const failedTool = swarm.spans.find((s) => s.status === "error" && s.type === "tool") as Span;
+ expect(failedTool.name).toBe("lookup_benchmark");
+ expect(errorSource(failedTool)).toBe("tool");
+ });
+});
+
+describe("payload helpers", () => {
+ it("finds the earliest failing non-root span", () => {
+ const failed = firstErrorSpan(swarm.spans);
+ expect(failed?.status).toBe("error");
+ expect(failed?.parent_span_id).not.toBeNull();
+ expect(firstErrorSpan(deepAgent.spans)).toBeNull();
+ });
+
+ it("parses llm message payloads and rejects non-message JSON", () => {
+ expect(parseMessages('[{"role":"user","content":"hi"}]')).toEqual([{ role: "user", content: "hi" }]);
+ expect(parseMessages('{"file_path":"/tmp/x"}')).toBeNull();
+ expect(parseMessages("not json")).toBeNull();
+ });
+});
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/traceUtils.ts b/ui/litellm-dashboard/src/components/view_logs/TraceView/traceUtils.ts
new file mode 100644
index 00000000000..d0b6e263f3b
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/traceUtils.ts
@@ -0,0 +1,314 @@
+/**
+ * Pure helpers for the agent trace views. No React in here: everything the span tree
+ * computes lives here so it can be unit-tested directly.
+ */
+import { type ErrorSource, type SpanTreeState, type TreeRow } from "./traceTree";
+import type { Span, TraceMessage, TraceSummary } from "./traceTypes";
+
+/* ------------------------------------------------------------------ */
+/* Formatting */
+/* ------------------------------------------------------------------ */
+
+export const fmtMs = (ms: number): string => {
+ if (ms >= 60_000) return `${(ms / 60_000).toFixed(1)}m`;
+ if (ms >= 1000) return `${(ms / 1000).toFixed(2)}s`;
+ return `${Math.max(ms, 0).toFixed(ms < 10 ? 1 : 0)}ms`;
+};
+
+export const fmtTok = (n: number): string => (n >= 1000 ? `${(n / 1000).toFixed(1)}k` : String(n));
+
+export const shortId = (id: string, length = 16): string => (id.length > length ? `${id.slice(0, length)}…` : id);
+
+/* ------------------------------------------------------------------ */
+/* Visible tree (framework spans hidden + children re-parented) */
+/* ------------------------------------------------------------------ */
+
+/** Root-level key in the children map. */
+export const ROOT_KEY = "__root__";
+
+export type ChildrenMap = Map;
+
+export interface VisibleTree {
+ children: ChildrenMap;
+ visibleCount: number;
+}
+
+/**
+ * Framework plumbing: middleware wrappers plus LangGraph's generic "model" / "tools"
+ * graph nodes. The root span is never hidden.
+ */
+const GRAPH_NODE_NAMES = new Set(["model", "tools"]);
+
+export const isFrameworkSpan = (span: Span): boolean => {
+ const isGraphNode = span.type === "chain" && GRAPH_NODE_NAMES.has(span.name);
+ const isPlumbing = span.type === "framework" || isGraphNode;
+ return span.parent_span_id !== null && isPlumbing;
+};
+
+const byStart = (a: Span, b: Span): number => a.start_offset_ms - b.start_offset_ms;
+
+export const indexSpans = (spans: readonly Span[]): Map => new Map(spans.map((s) => [s.span_id, s]));
+
+const pushChild = (children: ChildrenMap, key: string, span: Span): void => {
+ const list = children.get(key);
+ if (list) list.push(span);
+ else children.set(key, [span]);
+};
+
+/**
+ * Children map for the waterfall. With `showFramework` off, framework spans are
+ * dropped and their children attach to the nearest visible ancestor. Spans whose
+ * parent is missing from the trace attach to the root level.
+ */
+export function buildVisibleTree(spans: readonly Span[], showFramework: boolean): VisibleTree {
+ const byId = indexSpans(spans);
+ const hidden = (span: Span) => !showFramework && isFrameworkSpan(span);
+ const visibleParentKey = (span: Span): string => {
+ let parent = span.parent_span_id ? byId.get(span.parent_span_id) : undefined;
+ while (parent && hidden(parent)) {
+ parent = parent.parent_span_id ? byId.get(parent.parent_span_id) : undefined;
+ }
+ return parent ? parent.span_id : ROOT_KEY;
+ };
+ const children: ChildrenMap = new Map();
+ let visibleCount = 0;
+ for (const span of spans) {
+ if (hidden(span)) continue;
+ visibleCount++;
+ pushChild(children, visibleParentKey(span), span);
+ }
+ children.forEach((list) => list.sort(byStart));
+ return { children, visibleCount };
+}
+
+/* ------------------------------------------------------------------ */
+/* Run view rows (Input, span tree with grouping, Output) */
+/* ------------------------------------------------------------------ */
+
+/** Same-named siblings fold into one row at this count ... */
+export const GROUP_THRESHOLD_OK = 6;
+/** ... or as soon as this many of them failed. */
+export const GROUP_THRESHOLD_ERROR = 3;
+/** Group rows reveal this many members at a time. */
+export const GROUP_PAGE_SIZE = 20;
+
+export const median = (values: readonly number[]): number => {
+ if (values.length === 0) return 0;
+ const sorted = [...values].sort((a, b) => a - b);
+ return sorted[Math.floor(sorted.length / 2)];
+};
+
+const LITELLM_ERROR = /rate.?limit|429|guardrail|budget|litellm/i;
+
+/** Who failed: the tool, LiteLLM (rate limit / guardrail / budget), or the model. Null when the span is fine. */
+export function errorSource(span: Span): ErrorSource | null {
+ if (span.status !== "error") return null;
+ if (span.type === "tool") return "tool";
+ if (LITELLM_ERROR.test(span.error ?? "")) return "litellm";
+ return "model";
+}
+
+type GroupOrSpan = Span | { group: Span[] };
+
+const groupKey = (span: Pick): string => `${span.agent}|${span.name}|${span.type}`;
+
+/** Siblings sharing agent + name + type fold into one group once there are enough of them (or enough failures). */
+function groupChildren(children: readonly Span[]): GroupOrSpan[] {
+ const byKey = new Map();
+ for (const child of children) {
+ const key = groupKey(child);
+ const list = byKey.get(key);
+ if (list) list.push(child);
+ else byKey.set(key, [child]);
+ }
+ const emitted = new Set();
+ const out: GroupOrSpan[] = [];
+ for (const child of children) {
+ const key = groupKey(child);
+ const group = byKey.get(key) ?? [child];
+ const failed = group.filter((s) => s.status === "error").length;
+ if (group.length >= GROUP_THRESHOLD_OK || failed >= GROUP_THRESHOLD_ERROR) {
+ if (!emitted.has(key)) {
+ emitted.add(key);
+ out.push({ group });
+ }
+ } else {
+ out.push(child);
+ }
+ }
+ return out;
+}
+
+export const groupRowId = (parentKey: string, span: Pick): string =>
+ `grp::${parentKey}::${groupKey(span)}`;
+
+interface RowContext {
+ children: ChildrenMap;
+ state: SpanTreeState;
+ rows: TreeRow[];
+}
+
+function pushSpan(ctx: RowContext, span: Span, depth: number): void {
+ const hasChildren = (ctx.children.get(span.span_id)?.length ?? 0) > 0;
+ const collapsed = ctx.state.collapsedSpanIds.has(span.span_id);
+ const row: TreeRow = { kind: "span", id: span.span_id, span, depth, hasChildren, collapsed };
+ ctx.rows.push(row);
+ if (hasChildren && !collapsed) pushLevel(ctx, span.span_id, depth + 1);
+}
+
+function pushGroup(ctx: RowContext, parentKey: string, members: Span[], depth: number): void {
+ const first = members[0];
+ const id = groupRowId(parentKey, first);
+ const failedCount = members.filter((s) => s.status === "error").length;
+ const expanded = ctx.state.expandedGroupIds.has(id);
+ const groupRow: TreeRow = {
+ kind: "group",
+ id,
+ depth,
+ name: first.name,
+ type: first.type,
+ agent: first.agent,
+ members,
+ failedCount,
+ p50Duration: median(members.map((s) => s.duration_ms)),
+ isFailureGroup: failedCount === members.length,
+ expanded,
+ };
+ ctx.rows.push(groupRow);
+ if (!expanded) return;
+ const reveal = Math.min(ctx.state.groupRevealCounts[id] ?? GROUP_PAGE_SIZE, members.length);
+ members.slice(0, reveal).forEach((member) => pushSpan(ctx, member, depth + 1));
+ if (reveal < members.length) {
+ const moreRow: TreeRow = {
+ kind: "load-more",
+ id: `${id}::more`,
+ depth: depth + 1,
+ groupId: id,
+ remaining: members.length - reveal,
+ };
+ ctx.rows.push(moreRow);
+ }
+}
+
+function pushLevel(ctx: RowContext, parentKey: string, depth: number): void {
+ for (const item of groupChildren(ctx.children.get(parentKey) ?? [])) {
+ if ("group" in item) pushGroup(ctx, parentKey, item.group, depth);
+ else pushSpan(ctx, item, depth);
+ }
+}
+
+/**
+ * Rows for the run view: the span tree, framework spans optionally hidden with their children lifted
+ * and same-named siblings folded into paged groups.
+ */
+export function buildTreeRows(spans: readonly Span[], state: SpanTreeState): TreeRow[] {
+ const ctx: RowContext = { children: buildVisibleTree(spans, !state.hideFramework).children, state, rows: [] };
+ pushLevel(ctx, ROOT_KEY, 0);
+ return ctx.rows;
+}
+
+/** Tree state with every visible ancestor of `spanId` expanded and any group holding it paged far enough. */
+export function revealSpanInState(spans: readonly Span[], state: SpanTreeState, spanId: string): SpanTreeState {
+ const { children } = buildVisibleTree(spans, !state.hideFramework);
+ const parentOf = new Map();
+ children.forEach((list, key) => list.forEach((s) => parentOf.set(s.span_id, key)));
+ if (!parentOf.has(spanId)) return state;
+ const collapsed = new Set(state.collapsedSpanIds);
+ const expanded = new Set(state.expandedGroupIds);
+ const reveal = { ...state.groupRevealCounts };
+ let current = spanId;
+ while (parentOf.has(current)) {
+ const parentKey = parentOf.get(current) as string;
+ collapsed.delete(parentKey);
+ for (const item of groupChildren(children.get(parentKey) ?? [])) {
+ if (!("group" in item)) continue;
+ const index = item.group.findIndex((s) => s.span_id === current);
+ if (index < 0) continue;
+ const id = groupRowId(parentKey, item.group[0]);
+ expanded.add(id);
+ reveal[id] = Math.max(reveal[id] ?? GROUP_PAGE_SIZE, Math.ceil((index + 1) / GROUP_PAGE_SIZE) * GROUP_PAGE_SIZE);
+ }
+ current = parentKey;
+ }
+ return { ...state, collapsedSpanIds: collapsed, expandedGroupIds: expanded, groupRevealCounts: reveal };
+}
+
+/** `spanId` if it shows in the tree, else its nearest ancestor that does (framework spans can be hidden). */
+export function nearestVisibleSpanId(spans: readonly Span[], spanId: string, hideFramework: boolean): string {
+ if (!hideFramework) return spanId;
+ const byId = new Map(spans.map((s) => [s.span_id, s]));
+ let current = byId.get(spanId);
+ while (current && isFrameworkSpan(current) && current.parent_span_id !== null) {
+ current = byId.get(current.parent_span_id);
+ }
+ return current?.span_id ?? spanId;
+}
+
+/* ------------------------------------------------------------------ */
+/* Trace-level rollups */
+/* ------------------------------------------------------------------ */
+
+/** Earliest failing non-root span (the root just echoes its children), else the root. */
+export function firstErrorSpan(spans: readonly Span[]): Span | null {
+ const failed = spans.filter((s) => s.status === "error").sort(byStart);
+ return failed.find((s) => s.parent_span_id !== null) ?? failed[0] ?? null;
+}
+
+/* ------------------------------------------------------------------ */
+/* Span detail payloads */
+/* ------------------------------------------------------------------ */
+
+export const parseJson = (value: string): unknown => {
+ if (!value) return null;
+ try {
+ return JSON.parse(value);
+ } catch {
+ return null;
+ }
+};
+
+const isMessage = (value: unknown): value is TraceMessage => {
+ const isObject = typeof value === "object" && value !== null;
+ return isObject && "role" in value && typeof (value as TraceMessage).role === "string";
+};
+
+/** An llm span's input (array of messages) or output (one message); null when it isn't one. */
+export function parseMessages(value: string): TraceMessage[] | null {
+ const parsed = parseJson(value);
+ if (Array.isArray(parsed)) return parsed.every(isMessage) ? parsed : null;
+ return isMessage(parsed) ? [parsed] : null;
+}
+
+/** Pretty JSON when the payload is JSON, else the raw string. */
+export const prettyPayload = (value: string): string => {
+ const parsed = parseJson(value);
+ if (parsed === null || typeof parsed === "string") return typeof parsed === "string" ? parsed : value;
+ return JSON.stringify(parsed, null, 2);
+};
+
+/* ------------------------------------------------------------------ */
+/* List view helpers */
+/* ------------------------------------------------------------------ */
+
+const PREVIEW_USER_CONTENT =
+ /"(?:role|type)":\s*"(?:user|human)",\s*"(?:content|data)":\s*(?:\{"content":\s*)?"((?:[^"\\]|\\.)*)/;
+
+/**
+ * Human text for an input preview. Previews are often a (possibly truncated) JSON
+ * message array; show the last user/tool message's content when we can find it.
+ */
+export function previewText(preview: string): string {
+ if (!preview) return "";
+ const messages = parseMessages(preview);
+ if (messages) {
+ const last = [...messages].reverse().find((m) => m.role === "user" || m.role === "tool") ?? messages.at(-1);
+ return last?.content || preview;
+ }
+ if (!/^\s*[[{]/.test(preview)) return preview;
+ const match = PREVIEW_USER_CONTENT.exec(preview);
+ return match ? match[1].replace(/\\n/g, " ").replace(/\\"/g, '"') : preview;
+}
+
+/** Trace display name; root spans without a name fall back to the service. */
+export const traceDisplayName = (summary: Pick): string =>
+ summary.name || summary.service || "(unnamed trace)";
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/useAgentTraces.test.ts b/ui/litellm-dashboard/src/components/view_logs/TraceView/useAgentTraces.test.ts
new file mode 100644
index 00000000000..cbced08785f
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/useAgentTraces.test.ts
@@ -0,0 +1,33 @@
+import { describe, expect, it } from "vitest";
+
+import { traceWindowStartMs } from "./useAgentTraces";
+import { spanLogWindow } from "./useSpanRequestLog";
+
+const HOUR = 3600 * 1000;
+
+describe("traceWindowStartMs", () => {
+ it("rolls a preset range forward with now so live tail keeps a fixed-length window", () => {
+ const start = "2026-09-29T10:00";
+ const end = "2026-09-30T10:00";
+ const mountedAt = Date.parse("2026-09-30T10:00:00");
+ const tenHoursLater = mountedAt + 10 * HOUR;
+ expect(tenHoursLater - traceWindowStartMs(start, end, false, tenHoursLater)).toBe(24 * HOUR);
+ expect(traceWindowStartMs(start, end, false, tenHoursLater)).toBeGreaterThan(
+ traceWindowStartMs(start, end, false, mountedAt),
+ );
+ });
+
+ it("keeps a custom range pinned to what the user picked", () => {
+ const start = "2026-09-01T00:00";
+ expect(traceWindowStartMs(start, "2026-09-02T00:00", true, Date.parse("2026-09-30T00:00:00"))).toBe(
+ Date.parse(start),
+ );
+ });
+});
+
+describe("spanLogWindow", () => {
+ it("looks up the request log around the span's own time, not the logs tab window", () => {
+ const spanStart = Date.parse("2026-08-01T12:00:00Z");
+ expect(spanLogWindow(spanStart)).toEqual({ start_date: "2026-08-01 11:30:00", end_date: "2026-08-01 12:30:00" });
+ });
+});
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/useAgentTraces.ts b/ui/litellm-dashboard/src/components/view_logs/TraceView/useAgentTraces.ts
new file mode 100644
index 00000000000..4e17331b001
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/useAgentTraces.ts
@@ -0,0 +1,91 @@
+import { useInfiniteQuery } from "@tanstack/react-query";
+import moment from "moment";
+import { useMemo } from "react";
+
+import { ApiError } from "@/lib/http/client";
+
+import { agentTraceListCall } from "../../networking";
+import { LIVE_TAIL_INTERVAL_MS } from "../log_filter_logic";
+import type { TracePage, TraceSummary } from "./traceTypes";
+
+export const TRACING_NOT_ENABLED_STATUS = 501;
+/** A proxy without the tracing routes at all answers 404; treat it like tracing being off. */
+const TRACING_ROUTE_MISSING_STATUS = 404;
+
+export const isTracingNotEnabled = (error: unknown): error is ApiError =>
+ error instanceof ApiError &&
+ (error.status === TRACING_NOT_ENABLED_STATUS || error.status === TRACING_ROUTE_MISSING_STATUS);
+
+interface UseAgentTracesOptions {
+ accessToken: string;
+ startTime: string;
+ endTime: string;
+ isCustomDate: boolean;
+ isLiveTail: boolean;
+ enabled: boolean;
+}
+
+export interface AgentTracesResult {
+ traces: TraceSummary[];
+ isLoading: boolean;
+ isFetching: boolean;
+ /** Set when the proxy answered 501: tracing isn't configured. */
+ notEnabledDetail: string | null;
+ error: Error | null;
+ hasMore: boolean;
+ loadMore: () => void;
+ refetch: () => void;
+}
+
+/** Start of the fetch window: a preset range rolls with "now", so live tail keeps a fixed-length window. */
+export const traceWindowStartMs = (startTime: string, endTime: string, isCustomDate: boolean, nowMs: number): number =>
+ isCustomDate ? moment(startTime).valueOf() : nowMs - (moment(endTime).valueOf() - moment(startTime).valueOf());
+
+/**
+ * GET /v1/traces for the Logs page time range, cursor-paginated ("Load more").
+ * Preset ranges re-read "now" on every fetch, moving both bounds so the window keeps its length.
+ */
+export function useAgentTraces({
+ accessToken,
+ startTime,
+ endTime,
+ isCustomDate,
+ isLiveTail,
+ enabled,
+}: UseAgentTracesOptions): AgentTracesResult {
+ const fetchPage = (pageParam: unknown): Promise => {
+ const nowMs = Date.now();
+ const listOptions: Parameters[0] = {
+ accessToken,
+ startMs: traceWindowStartMs(startTime, endTime, isCustomDate, nowMs),
+ endMs: isCustomDate ? moment(endTime).valueOf() : nowMs,
+ cursor: pageParam as string | null,
+ };
+ return agentTraceListCall(listOptions);
+ };
+ const queryOptions: Parameters>[0] = {
+ queryKey: ["agentTraces", accessToken, startTime, endTime, isCustomDate],
+ queryFn: ({ pageParam }) => fetchPage(pageParam),
+ initialPageParam: null,
+ getNextPageParam: (lastPage) => lastPage.next_cursor ?? undefined,
+ enabled,
+ retry: (failureCount, error) => !isTracingNotEnabled(error) && failureCount < 1,
+ refetchInterval: (q) => (isLiveTail && !isTracingNotEnabled(q.state.error) ? LIVE_TAIL_INTERVAL_MS : false),
+ refetchIntervalInBackground: false,
+ };
+ const query = useInfiniteQuery(queryOptions);
+
+ const traces = useMemo(() => query.data?.pages.flatMap((page) => page.data) ?? [], [query.data]);
+ const notEnabled = isTracingNotEnabled(query.error);
+
+ return {
+ traces,
+ isLoading: query.isLoading,
+ isFetching: query.isFetching,
+ notEnabledDetail: notEnabled ? query.error?.message || "Agent tracing is not enabled" : null,
+ error: notEnabled ? null : query.error,
+ hasMore: query.hasNextPage,
+ loadMore: () => void query.fetchNextPage(),
+ refetch: () => void query.refetch(),
+ };
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/useSpanRequestLog.ts b/ui/litellm-dashboard/src/components/view_logs/TraceView/useSpanRequestLog.ts
new file mode 100644
index 00000000000..083dceac790
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/useSpanRequestLog.ts
@@ -0,0 +1,47 @@
+"use client";
+
+import { useQuery, type UseQueryOptions } from "@tanstack/react-query";
+import moment from "moment";
+
+import { uiSpendLogsCall } from "../../networking";
+import type { LogEntry } from "../columns";
+
+/** Spend-log timestamps are written when the call finishes, so pad the span start on both sides. */
+const LOOKUP_PAD_MINUTES = 30;
+const SPEND_LOG_TIME_FORMAT = "YYYY-MM-DD HH:mm:ss";
+
+export const spanLogWindow = (spanStartMs: number): { start_date: string; end_date: string } => ({
+ start_date: moment.utc(spanStartMs).subtract(LOOKUP_PAD_MINUTES, "minutes").format(SPEND_LOG_TIME_FORMAT),
+ end_date: moment.utc(spanStartMs).add(LOOKUP_PAD_MINUTES, "minutes").format(SPEND_LOG_TIME_FORMAT),
+});
+
+/**
+ * The LiteLLM request log behind an LLM span, looked up around the span's own time rather than
+ * the Request Logs tab's window, so runs older than that window still resolve.
+ */
+export function useSpanRequestLog(
+ accessToken: string,
+ requestId: string | null,
+ spanStartMs: number,
+ enabled: boolean,
+) {
+ const fetchLog = async (): Promise => {
+ if (requestId === null) return null;
+ const logsOptions: Parameters[0] = {
+ accessToken,
+ ...spanLogWindow(spanStartMs),
+ page: 1,
+ page_size: 1,
+ params: { request_id: requestId },
+ };
+ const response = await uiSpendLogsCall(logsOptions);
+ return response.data.find((log: LogEntry) => log.request_id === requestId) ?? null;
+ };
+ const queryOptions: UseQueryOptions = {
+ queryKey: ["logs", "spanRequest", requestId, spanStartMs, accessToken],
+ queryFn: fetchLog,
+ enabled: enabled && requestId !== null,
+ staleTime: Infinity,
+ };
+ return useQuery(queryOptions);
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/index.test.tsx b/ui/litellm-dashboard/src/components/view_logs/index.test.tsx
index 70a259ae9eb..e904080ede5 100644
--- a/ui/litellm-dashboard/src/components/view_logs/index.test.tsx
+++ b/ui/litellm-dashboard/src/components/view_logs/index.test.tsx
@@ -65,12 +65,14 @@ describe("SpendLogsTable", () => {
useOrganizationsMock.mockReturnValue({ data: [] });
});
- it("renders the four log tabs", () => {
+ it("renders the log tabs, with Agent Traces marked new and Request Logs selected", () => {
renderAs("Admin");
for (const label of ["Request Logs", "Audit Logs", "Deleted Keys", "Deleted Teams"]) {
expect(screen.getByRole("tab", { name: label })).toBeInTheDocument();
}
+ expect(screen.getByRole("tab", { name: /Agent Traces/ })).toHaveTextContent("New");
+ expect(screen.getByRole("tab", { name: "Request Logs" })).toHaveAttribute("aria-selected", "true");
});
it("marks only the visible tab's panel active so background tabs do not query", async () => {
@@ -115,7 +117,7 @@ describe("SpendLogsTable", () => {
it("does not hand an org admin the Audit Logs tab, which the backend still refuses them", () => {
renderAs("Internal User", ORG_ADMIN_MEMBERSHIPS);
- expect(tabNames()).toEqual(["Request Logs", "Deleted Keys", "Deleted Teams"]);
+ expect(tabNames()).toEqual(["Request Logs", "Agent TracesNew", "Deleted Keys", "Deleted Teams"]);
expect(screen.queryByTestId("audit-logs-panel")).not.toBeInTheDocument();
});
@@ -124,7 +126,7 @@ describe("SpendLogsTable", () => {
{ organization_id: "org-1", members: [{ user_id: "user-1", user_role: "internal_user" }] },
]);
- expect(tabNames()).toEqual(["Request Logs", "Deleted Keys"]);
+ expect(tabNames()).toEqual(["Request Logs", "Agent TracesNew", "Deleted Keys"]);
});
it("activates the org admin's selected tab rather than the one at the four-tab index", async () => {
diff --git a/ui/litellm-dashboard/src/components/view_logs/index.tsx b/ui/litellm-dashboard/src/components/view_logs/index.tsx
index aadf90fad6c..c30a960a500 100644
--- a/ui/litellm-dashboard/src/components/view_logs/index.tsx
+++ b/ui/litellm-dashboard/src/components/view_logs/index.tsx
@@ -4,6 +4,7 @@ import DeletedKeysPage from "../DeletedKeysPage/DeletedKeysPage";
import DeletedTeamsPage from "../DeletedTeamsPage/DeletedTeamsPage";
import AuditLogsPanel from "./AuditLogsPanel";
import RequestLogsPanel from "./RequestLogsPanel";
+import AgentTracesPage from "./TraceView/AgentTracesPage";
import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
import { UiLoadingSpinner } from "@/components/ui/ui-loading-spinner";
@@ -15,20 +16,24 @@ interface SpendLogsTableProps {
premiumUser: boolean;
}
-type LogsTabId = "request logs" | "audit logs" | "deleted keys" | "deleted teams";
+type LogsTabId = "request logs" | "agent traces" | "audit logs" | "deleted keys" | "deleted teams";
interface LogsTab {
id: LogsTabId;
label: string;
+ isNew?: boolean;
}
const REQUEST_LOGS_TAB: LogsTab = { id: "request logs", label: "Request Logs" };
+const AGENT_TRACES_TAB: LogsTab = { id: "agent traces", label: "Agent Traces", isNew: true };
const AUDIT_LOGS_TAB: LogsTab = { id: "audit logs", label: "Audit Logs" };
const DELETED_KEYS_TAB: LogsTab = { id: "deleted keys", label: "Deleted Keys" };
const DELETED_TEAMS_TAB: LogsTab = { id: "deleted teams", label: "Deleted Teams" };
const tabContentClassName = (tabId: LogsTabId): string =>
- tabId === REQUEST_LOGS_TAB.id ? "flex min-h-0 flex-1 flex-col" : "min-h-0 flex-1 overflow-y-auto";
+ tabId === REQUEST_LOGS_TAB.id || tabId === AGENT_TRACES_TAB.id
+ ? "flex min-h-0 flex-1 flex-col"
+ : "min-h-0 flex-1 overflow-y-auto";
export default function SpendLogsTable({ accessToken, token, userRole, userID, premiumUser }: SpendLogsTableProps) {
const [activeTab, setActiveTab] = useState(REQUEST_LOGS_TAB.id);
@@ -45,6 +50,7 @@ export default function SpendLogsTable({ accessToken, token, userRole, userID, p
const tabs: LogsTab[] = [
REQUEST_LOGS_TAB,
+ AGENT_TRACES_TAB,
...(canViewAuditLogs ? [AUDIT_LOGS_TAB] : []),
DELETED_KEYS_TAB,
...(canViewDeletedTeams ? [DELETED_TEAMS_TAB] : []),
@@ -62,6 +68,8 @@ export default function SpendLogsTable({ accessToken, token, userRole, userID, p
isActive={activeTab === "request logs"}
/>
);
+ case "agent traces":
+ return activeTab === "agent traces" ?
- setActiveTab(value as LogsTabId)} className="min-h-0 flex-1">
-
+
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesSection.test.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesSection.test.tsx
new file mode 100644
index 00000000000..6d28e8a53e9
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesSection.test.tsx
@@ -0,0 +1,265 @@
+import { fireEvent, screen, within } from "@testing-library/react";
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+
+import { ApiError } from "@/lib/http/client";
+
+import { renderWithProviders, testQueryClient } from "../../../../tests/test-utils";
+import traceList from "./__fixtures__/trace_list.json";
+import AgentTracesPage from "./AgentTracesPage";
+import { AgentTracesSection, filterRuns } from "./AgentTracesSection";
+import type { TracePage, TraceSummary } from "./traceTypes";
+
+vi.mock("../../networking", () => ({
+ agentTraceListCall: vi.fn(),
+ agentTraceCall: vi.fn(),
+ agentTraceSpanCall: vi.fn(),
+ getProxyBaseUrl: () => "http://localhost:4000",
+}));
+
+vi.mock("./TraceDrawer", () => ({
+ RunView: ({ traceId, onBack }: { traceId: string; onBack: () => void }) => (
+
+ run {traceId}
+
+
+ ),
+}));
+
+import { agentTraceListCall } from "../../networking";
+
+const runs = (traceList as TracePage).data as TraceSummary[];
+
+const renderSection = () =>
+ renderWithProviders(
+
+
+
+ );
+ }
+
+ if (openTraceId !== null) {
+ return
+
+
+ {timeControls && (
+ changeRange(hours, timeControls.onRangeHoursChange)}
+ live={isLiveTail}
+ onLiveChange={timeControls.onLiveChange}
+ zoomed={zoom !== null}
+ onResetZoom={() => setZoom(null)}
+ />
+ )}
+
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesTable.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesTable.tsx
new file mode 100644
index 00000000000..e4faff1621a
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesTable.tsx
@@ -0,0 +1,148 @@
+"use client";
+
+import { ArrowDown, ChevronRight } from "lucide-react";
+
+import { Button } from "@/components/ui/button";
+
+import { StatusMark } from "./StatusMark";
+import type { TraceSummary } from "./traceTypes";
+import { fmtMs, previewText, traceDisplayName } from "./traceUtils";
+
+interface AgentTracesTableProps {
+ traces: TraceSummary[];
+ isLoading: boolean;
+ error: Error | null;
+ hasMore: boolean;
+ onLoadMore: () => void;
+ onOpenTrace: (traceId: string) => void;
+}
+
+/** Spend is only on summaries once the spend-enrichment PR lands; show Cost when it's there. */
+type SummaryWithSpend = TraceSummary & { spend?: number };
+
+const SECOND_MS = 1000;
+const MINUTE_S = 60;
+const HOUR_M = 60;
+const DAY_H = 24;
+
+export function relativeTime(iso: string, now: number = Date.now()): string {
+ const diffS = Math.round((now - new Date(iso).getTime()) / SECOND_MS);
+ if (diffS < 5) return "just now";
+ if (diffS < MINUTE_S) return `${diffS}s ago`;
+ const diffM = Math.round(diffS / MINUTE_S);
+ if (diffM < HOUR_M) return `${diffM}m ago`;
+ const diffH = Math.round(diffM / HOUR_M);
+ if (diffH < DAY_H) return `${diffH}h ago`;
+ return `${Math.round(diffH / DAY_H)}d ago`;
+}
+
+export const formatCost = (cost: number): string => {
+ if (cost === 0) return "$0.00";
+ if (cost < 0.01) return `$${cost.toFixed(4)}`;
+ return `$${cost.toFixed(2)}`;
+};
+
+const firstLine = (text: string): string => text.split("\n")[0] ?? text;
+
+const TH = "px-3 font-medium";
+const TH_NUM = "px-3 text-right font-medium";
+const TD_NUM = "px-3 text-right font-mono tabular-nums text-muted-foreground";
+
+/** Devtool-dense runs list: one row per agent run, newest first. */
+export function AgentTracesTable({
+ traces,
+ isLoading,
+ error,
+ hasMore,
+ onLoadMore,
+ onOpenTrace,
+}: AgentTracesTableProps) {
+ const showCost = traces.some((t) => typeof (t as SummaryWithSpend).spend === "number");
+ const isEmpty = !isLoading && !error && traces.length === 0;
+ return (
+
+
+
+
+ {isLoading &&
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/AttributesDetail.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/AttributesDetail.tsx
new file mode 100644
index 00000000000..9001b1470a2
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/AttributesDetail.tsx
@@ -0,0 +1,33 @@
+"use client";
+
+import type { Span } from "./traceTypes";
+
+interface AttributesDetailProps {
+ traceId: string;
+ span: Span;
+ attributes: Record|
+
+ Time |
+ Service | +Input | +Agents | +Steps | +Duration | + {showCost &&Cost | } +Failed | ++ |
|---|---|---|---|---|---|---|---|---|
| + {relativeTime(run.start_time)} + | ++ {run.service} + | +
+
+
+ |
+ {run.agent_count.toLocaleString()} | +{run.span_count.toLocaleString()} | +{fmtMs(run.duration_ms)} | + {showCost && ( ++ {formatCost((run as SummaryWithSpend).spend ?? 0)} + | + )} +
+ {run.error_count > 0 ? (
+ |
+
+ |
+
Loading runs…
}
+ {error && (
+ Could not load runs: {error.message}
+ )}
+ {isEmpty && (
+ No runs match these filters.
+ )}
+ {hasMore && (
+
+
+
+ )}
+
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/CopyButton.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/CopyButton.tsx
new file mode 100644
index 00000000000..60dda4ce72d
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/CopyButton.tsx
@@ -0,0 +1,63 @@
+"use client";
+
+import { Check, Copy } from "lucide-react";
+import { useEffect, useState } from "react";
+
+import { Button } from "@/components/ui/button";
+import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/components/ui/tooltip";
+import { cn } from "@/lib/cva.config";
+import { copyToClipboard } from "@/utils/dataUtils";
+
+const COPIED_RESET_MS = 1600;
+
+interface CopyButtonProps {
+ value: string;
+ label?: string;
+ copiedLabel?: string;
+ iconOnly?: boolean;
+ className?: string;
+}
+
+/** Copy → check for a moment. `iconOnly` renders a bare icon button with a tooltip. */
+export function CopyButton({
+ value,
+ label = "Copy",
+ copiedLabel = "Copied",
+ iconOnly = false,
+ className,
+}: CopyButtonProps) {
+ const [copied, setCopied] = useState(false);
+
+ useEffect(() => {
+ if (!copied) return;
+ const timeout = window.setTimeout(() => setCopied(false), COPIED_RESET_MS);
+ return () => window.clearTimeout(timeout);
+ }, [copied]);
+
+ const button = (
+
+ );
+
+ if (!iconOnly) return button;
+ return (
+
+ {entries.map(([key, value]) => (
+
+ {isLoading &&
+
+ ))}
+ {key}
+ {value}
+ Loading attributes…
}
+
+ {children}
+
+ );
+}
+
+export function TextBlock({ label, value, mono = false }: { label: string; value: string; mono?: boolean }) {
+ return (
+
+ {value}
+
+
+
+ {(message.tool_calls ?? []).map((call, i) => (
+
+ {call.name}
+ (
+ {JSON.stringify(call.args)}
+ )
+
+ ))}
+ {message.content && (
+
+ {message.content}
+
+ )}
+
+
+
+ {headline}
+
+
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/DetailPane.test.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/DetailPane.test.tsx
new file mode 100644
index 00000000000..a15584e6d41
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/DetailPane.test.tsx
@@ -0,0 +1,191 @@
+import { screen, waitFor } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import { renderWithProviders, testQueryClient } from "../../../../tests/test-utils";
+import { DetailPane } from "./DetailPane";
+import type { GroupRowData, SpanRowData } from "./traceTree";
+import type { Span, SpanDetail, Trace } from "./traceTypes";
+
+vi.mock("../../networking", () => ({
+ agentTraceSpanCall: vi.fn(),
+ getProxyBaseUrl: () => "http://proxy.test/",
+}));
+
+import { agentTraceSpanCall } from "../../networking";
+
+const span = (overrides: Partial & PickLoading span…
}
+ {detailQuery.isError && (
+
+ Could not load span: {detailQuery.error.message}
+
+ )}
+ {detail?.input ?
+ No content recorded for this span.
+
+ )}
+
+ {children}
+
+
+ );
+}
+
+function PaneFooter({ children }: { children: React.ReactNode }) {
+ return {children}
;
+}
+
+function Meta({ label, value }: { label: string; value: string }) {
+ return (
+
+ {label}=
+ {value}
+
+ );
+}
+
+function SpanPane({
+ trace,
+ span,
+ accessToken,
+ onClose,
+}: {
+ trace: Trace;
+ span: Span;
+ accessToken: string;
+ onClose: () => void;
+}) {
+ const [tab, setTab] = useState
+
+ );
+}
+
+/** ×N group: rollup of every invocation plus the first failure's message. */
+function GroupPane({ trace, row, onClose }: { trace: Trace; row: GroupRowData; onClose: () => void }) {
+ const tokens = row.members.reduce((sum, m) => sum + m.input_tokens + m.output_tokens, 0);
+ const firstFailure = row.members.find((m) => m.status === "error" && m.error);
+ return (
+
+ );
+}
+
+/** Right pane of the run view: switches on the selected tree row. */
+export function DetailPane({ trace, row, accessToken, onClose }: DetailPaneProps) {
+ if (!row || row.kind === "load-more") {
+ return (
+ {label}
+ {value}
+
+ Select a span to inspect it.
+
+ );
+ }
+ if (row.kind === "group") return
+ This span is not a model request.
+
+ );
+ }
+
+ const rows: [string, string][] = [
+ ["Model", span.model ?? "—"],
+ ["Input tokens", fmtTok(span.input_tokens)],
+ ["Output tokens", fmtTok(span.output_tokens)],
+ ["Total tokens", fmtTok(span.input_tokens + span.output_tokens)],
+ ["Latency", fmtMs(span.duration_ms)],
+ ];
+
+ return (
+
+ setDrawerOpen(false)}
+ logEntry={logQuery.data ?? null}
+ accessToken={accessToken}
+ />
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/RunsToolbar.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/RunsToolbar.tsx
new file mode 100644
index 00000000000..f09e729752c
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/RunsToolbar.tsx
@@ -0,0 +1,92 @@
+"use client";
+
+import { Search } from "lucide-react";
+
+import { Input } from "@/components/ui/input";
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
+
+export type RunStatusFilter = "all" | "ok" | "error";
+
+export const ALL_SERVICES = "all";
+
+interface RunsToolbarProps {
+ query: string;
+ service: string;
+ status: RunStatusFilter;
+ services: string[];
+ onQueryChange: (value: string) => void;
+ onServiceChange: (value: string) => void;
+ onStatusChange: (value: RunStatusFilter) => void;
+ /** Extra controls (time range, live tail) rendered on the right. */
+ children?: React.ReactNode;
+}
+
+const STATUS_ITEMS: { value: RunStatusFilter; label: string }[] = [
+ { value: "all", label: "All status" },
+ { value: "ok", label: "Succeeded" },
+ { value: "error", label: "Failed" },
+];
+
+/** Search + service / status filters for the Runs table. Filtering is client-side over the loaded page. */
+export function RunsToolbar({
+ query,
+ service,
+ status,
+ services,
+ onQueryChange,
+ onServiceChange,
+ onStatusChange,
+ children,
+}: RunsToolbarProps) {
+ const serviceItems = [
+ { value: ALL_SERVICES, label: "All services" },
+ ...services.map((s) => ({ value: s, label: s })),
+ ];
+ return (
+ -
+ {rows.map(([label, value]) => (
+
- + {label} + +
- + {value} + +
+
+ ))}
+
+
+ {span.litellm_request_id && (
+
+ )}
+ {logNotFound && (
+
+ Request ID
+ {span.litellm_request_id && (
+
+
+ {span.litellm_request_id ?? "Not linked to a LiteLLM request"}
+
+ No request log found for this call.
+ )} +
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/SpanTree.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/SpanTree.tsx
new file mode 100644
index 00000000000..52affffded6
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/SpanTree.tsx
@@ -0,0 +1,267 @@
+"use client";
+
+import {
+ Bot,
+ BrainCircuit,
+ ChevronDown,
+ ChevronRight,
+ CircleDot,
+ CornerDownRight,
+ MoreHorizontal,
+ Network,
+ Wrench,
+} from "lucide-react";
+import { useEffect, useRef } from "react";
+
+import { Switch } from "@/components/ui/switch";
+import { cn } from "@/lib/cva.config";
+
+import { DurationBar } from "./DurationBar";
+import type { TreeRow } from "./traceTree";
+import type { SpanType } from "./traceTypes";
+import { fmtMs } from "./traceUtils";
+
+interface SpanTreeProps {
+ rows: TreeRow[];
+ spanCount: number;
+ totalMs: number;
+ selectedId: string;
+ hideFramework: boolean;
+ onSelect: (id: string) => void;
+ onToggleHideFramework: (checked: boolean) => void;
+ onToggleSpan: (id: string) => void;
+ onToggleGroup: (id: string) => void;
+ onLoadMore: (groupId: string) => void;
+}
+
+const ROW_GRID = "grid h-8 w-full grid-cols-[minmax(275px,1fr)_minmax(94px,27%)_64px] items-center px-2";
+const INDENT_PX = 15;
+
+const rowClass = (selected: boolean): string =>
+ cn(
+ ROW_GRID,
+ "border-b border-border/60 text-left outline-none focus-visible:ring-1 focus-visible:ring-ring focus-visible:ring-inset",
+ selected ? "bg-accent shadow-[inset_2px_0_0_var(--foreground)]" : "hover:bg-muted/60",
+ );
+
+/** Span list with a framework toggle, a timeline column and keyboard hints. */
+export function SpanTree({
+ rows,
+ spanCount,
+ totalMs,
+ selectedId,
+ hideFramework,
+ onSelect,
+ onToggleHideFramework,
+ onToggleSpan,
+ onToggleGroup,
+ onLoadMore,
+}: SpanTreeProps) {
+ const scrollRef = useRef
+
+
+
+ {children && {children}
}
+
+
+ {`${spanCount.toLocaleString()} spans`}
+
+
+
+
+ Span
+ Timeline
+ Time
+
+
+ {rows.map((row) => (
+
+
+
+ J/K move
+
+
+ ←/→ fold
+
+
+ Esc close
+
+
+
+
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/TraceDrawer.test.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/TraceDrawer.test.tsx
new file mode 100644
index 00000000000..2698a0c6643
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/TraceDrawer.test.tsx
@@ -0,0 +1,146 @@
+import { screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { beforeEach, describe, expect, it, vi } from "vitest";
+
+import { renderWithProviders, testQueryClient } from "../../../../tests/test-utils";
+import researchTrace from "./__fixtures__/research_trace.json";
+import swarmTrace from "./__fixtures__/swarm_trace.json";
+import { agentHandoffText, initialRunSelection, RunView } from "./TraceDrawer";
+import type { Span } from "./traceTypes";
+import type { Trace } from "./traceTypes";
+import { traceDisplayName } from "./traceUtils";
+
+vi.mock("../../networking", () => ({
+ agentTraceCall: vi.fn(),
+ agentTraceSpanCall: vi.fn(),
+ getProxyBaseUrl: () => "http://proxy.test/",
+}));
+
+// DetailPane is built separately; render a stub that exposes which row is selected.
+vi.mock("./DetailPane", () => ({
+ DetailPane: ({ row, onClose }: { row?: { id: string }; onClose: () => void }) => (
+
+
+
+ {rangeLabel(range)}
+
+
+ onRangeHoursChange(Number(value))}
+ >
+ {RANGE_PRESETS.map((preset) => (
+
+ {preset.label}
+
+ ))}
+
+
+
+
+
+
+
+
+ ),
+}));
+
+vi.mock("@/utils/dataUtils", () => ({ copyToClipboard: vi.fn().mockResolvedValue(true) }));
+
+import { copyToClipboard } from "@/utils/dataUtils";
+
+import { agentTraceCall } from "../../networking";
+
+const swarm = swarmTrace as Trace;
+const research = researchTrace as Trace;
+
+const renderRun = (trace: Trace) => {
+ vi.mocked(agentTraceCall).mockResolvedValue(trace);
+ return renderWithProviders({traceDisplayName(summary)}
+ + {summary.trace_id} + + +
+
+
+
+
+ setState((prev) => ({ ...prev, hideFramework }))}
+ onToggleSpan={toggleSpan}
+ onToggleGroup={toggleGroup}
+ onLoadMore={loadMore}
+ />
+ {detailOpen && (
+ setDetailOpen(false)} />
+ )}
+
+ );
+}
+
+interface RunViewProps {
+ traceId: string;
+ accessToken: string;
+ onBack: () => void;
+}
+
+/** One agent run: header with totals and "Copy for agent", span tree on the left, span details on the right. */
+export function RunView({ traceId, accessToken, onBack }: RunViewProps) {
+ const traceQuery = useQuery({
+ queryKey: ["agentTrace", traceId, accessToken],
+ queryFn: () => agentTraceCall(accessToken, traceId),
+ staleTime: 30_000,
+ });
+ const trace = traceQuery.data;
+
+ if (traceQuery.isLoading) {
+ return (
+
+
+ );
+ }
+ if (traceQuery.isError || !trace) {
+ return (
+
+
+
+ );
+ }
+ return (
+ Could not load trace
+ {traceQuery.error?.message ?? "Unknown error"} +
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/TracesTimeline.test.ts b/ui/litellm-dashboard/src/components/view_logs/TraceView/TracesTimeline.test.ts
new file mode 100644
index 00000000000..46c69559af6
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/TracesTimeline.test.ts
@@ -0,0 +1,83 @@
+import { describe, expect, it } from "vitest";
+
+import { bandForWindow, bucketRuns, dragUpdate, formatSpan } from "./TracesTimeline";
+import type { TraceSummary } from "./traceTypes";
+
+const HOUR = 3600 * 1000;
+const START = Date.UTC(2026, 8, 30, 0, 0, 0);
+const range = { startMs: START, endMs: START + 10 * HOUR };
+
+const run = (offsetMs: number, errorCount = 0): TraceSummary =>
+ ({
+ trace_id: `t${offsetMs}`,
+ start_time: new Date(START + offsetMs).toISOString(),
+ error_count: errorCount,
+ }) as TraceSummary;
+
+describe("bucketRuns", () => {
+ it("splits the window into equal buckets that tile it exactly", () => {
+ const buckets = bucketRuns([], range, 10);
+ expect(buckets).toHaveLength(10);
+ expect(buckets[0].startMs).toBe(range.startMs);
+ expect(buckets.at(-1)?.endMs).toBe(range.endMs);
+ const fourthBucket = { startMs: START + 3 * HOUR, endMs: START + 4 * HOUR, runs: 0, failed: 0 };
+ expect(buckets[3]).toMatchObject(fourthBucket);
+ });
+
+ it("puts each run in the bucket covering its start time", () => {
+ const buckets = bucketRuns([run(0), run(30 * 60 * 1000), run(2.5 * HOUR), run(10 * HOUR - 1)], range, 10);
+ expect(buckets.map((b) => b.runs)).toEqual([2, 0, 1, 0, 0, 0, 0, 0, 0, 1]);
+ });
+
+ it("drops runs that start before or at/after the window", () => {
+ const buckets = bucketRuns([run(-1), run(10 * HOUR), run(20 * HOUR), run(HOUR)], range, 10);
+ expect(buckets.reduce((sum, b) => sum + b.runs, 0)).toBe(1);
+ expect(buckets[1].runs).toBe(1);
+ });
+
+ it("counts runs with any errors as failed", () => {
+ const buckets = bucketRuns([run(HOUR, 3), run(HOUR + 1), run(HOUR + 2, 1), run(5 * HOUR)], range, 10);
+ expect(buckets[1]).toMatchObject({ runs: 3, failed: 2 });
+ expect(buckets[5]).toMatchObject({ runs: 1, failed: 0 });
+ });
+});
+
+describe("formatSpan", () => {
+ it("prints the largest two units, dropping zero parts", () => {
+ expect(formatSpan(45 * 60 * 1000)).toBe("45m");
+ expect(formatSpan(6 * HOUR + 12 * 60 * 1000)).toBe("6h 12m");
+ expect(formatSpan(24 * HOUR)).toBe("1d");
+ expect(formatSpan(152 * 24 * HOUR + 23 * HOUR)).toBe("152d 23h");
+ expect(formatSpan(-5)).toBe("0m");
+ });
+});
+
+describe("dragUpdate", () => {
+ const band = { lo: 10, hi: 14 };
+
+ it("selects between the press point and the pointer, in either direction", () => {
+ expect(dragUpdate({ mode: "select", origin: 20, band: { lo: 20, hi: 20 } }, 25)).toEqual({ lo: 20, hi: 25 });
+ expect(dragUpdate({ mode: "select", origin: 20, band: { lo: 20, hi: 20 } }, 12)).toEqual({ lo: 12, hi: 20 });
+ });
+
+ it("resizes one edge without letting it cross the other", () => {
+ expect(dragUpdate({ mode: "resize-lo", origin: 10, band }, 4)).toEqual({ lo: 4, hi: 14 });
+ expect(dragUpdate({ mode: "resize-lo", origin: 10, band }, 30)).toEqual({ lo: 14, hi: 14 });
+ expect(dragUpdate({ mode: "resize-hi", origin: 14, band }, 40)).toEqual({ lo: 10, hi: 40 });
+ expect(dragUpdate({ mode: "resize-hi", origin: 14, band }, 2)).toEqual({ lo: 10, hi: 10 });
+ });
+
+ it("pans the band keeping its width, clamped to the strip", () => {
+ expect(dragUpdate({ mode: "move", origin: 12, band }, 20)).toEqual({ lo: 18, hi: 22 });
+ expect(dragUpdate({ mode: "move", origin: 12, band }, -50)).toEqual({ lo: 0, hi: 4 });
+ expect(dragUpdate({ mode: "move", origin: 12, band }, 500, 60)).toEqual({ lo: 55, hi: 59 });
+ });
+});
+
+describe("bandForWindow", () => {
+ it("maps a selected window back to the buckets it covers", () => {
+ const buckets = bucketRuns([], range, 10);
+ expect(bandForWindow(buckets, { startMs: START + 2 * HOUR, endMs: START + 5 * HOUR })).toEqual({ lo: 2, hi: 4 });
+ expect(bandForWindow(buckets, null)).toBeNull();
+ });
+});
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/TracesTimeline.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/TracesTimeline.tsx
new file mode 100644
index 00000000000..7539e5a4e83
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/TracesTimeline.tsx
@@ -0,0 +1,365 @@
+"use client";
+
+import moment from "moment";
+import { useEffect, useMemo, useRef, useState } from "react";
+
+import { cn } from "@/lib/cva.config";
+
+import type { TraceSummary } from "./traceTypes";
+
+const BUCKETS = 60;
+const TICKS = 6;
+const MINUTE_MS = 60 * 1000;
+const HOUR_MS = 60 * MINUTE_MS;
+const DAY_MS = 24 * HOUR_MS;
+const EDGE_FORMAT = "MMM DD, HH:mm";
+
+export interface TimeWindow {
+ startMs: number;
+ endMs: number;
+}
+
+export interface Bucket {
+ startMs: number;
+ endMs: number;
+ runs: number;
+ failed: number;
+}
+
+/** Run counts per equal-width time bucket across the window; runs outside it are dropped. */
+export function bucketRuns(runs: readonly TraceSummary[], range: TimeWindow, buckets = BUCKETS): Bucket[] {
+ const width = (range.endMs - range.startMs) / buckets;
+ const placed = runs.map((run) => ({
+ index: Math.floor((moment(run.start_time).valueOf() - range.startMs) / width),
+ failed: run.error_count > 0,
+ }));
+ return Array.from({ length: buckets }, (_, i) => {
+ const hits = placed.filter((p) => p.index === i);
+ return {
+ startMs: range.startMs + i * width,
+ endMs: range.startMs + (i + 1) * width,
+ runs: hits.length,
+ failed: hits.filter((p) => p.failed).length,
+ };
+ });
+}
+
+/** Compact window length, Logfire-style: "45m", "6h 12m", "7d", "152d 23h". */
+export function formatSpan(ms: number): string {
+ const totalMinutes = Math.max(0, Math.round(ms / MINUTE_MS));
+ const days = Math.floor(totalMinutes / (24 * 60));
+ const hours = Math.floor((totalMinutes % (24 * 60)) / 60);
+ const minutes = totalMinutes % 60;
+ if (days > 0) return hours > 0 ? `${days}d ${hours}h` : `${days}d`;
+ if (hours > 0) return minutes > 0 ? `${hours}h ${minutes}m` : `${hours}h`;
+ return `${minutes}m`;
+}
+
+const tickFormat = (range: TimeWindow): string => (range.endMs - range.startMs > 2 * DAY_MS ? EDGE_FORMAT : "HH:mm");
+
+const pct = (value: number): string => `${value * 100}%`;
+
+/** Keep the first / last tick label inside the strip; center the rest on their tick. */
+const tickShift = (t: number): string => {
+ if (t === 0) return "translateX(0)";
+ if (t === 1) return "translateX(-100%)";
+ return "translateX(-50%)";
+};
+
+interface TracesTimelineProps {
+ runs: readonly TraceSummary[];
+ range: TimeWindow;
+ selection: TimeWindow | null;
+ onSelect: (selection: TimeWindow | null) => void;
+}
+
+function BucketBar({
+ bucket,
+ max,
+ dimmed,
+ hovered,
+}: {
+ bucket: Bucket;
+ max: number;
+ dimmed: boolean;
+ hovered: boolean;
+}) {
+ return (
+
+ {bucket.runs > 0 && (
+
+ );
+}
+
+function BucketTooltip({ bucket, index }: { bucket: Bucket; index: number }) {
+ return (
+
+ {bucket.failed > 0 && (
+
+ )}
+
+ )}
+
+
+ );
+}
+
+const MIN_DURATION_LABEL_PX = 120;
+
+/** Bucket-index band [lo, hi], inclusive. */
+export interface Band {
+ lo: number;
+ hi: number;
+}
+
+export type DragMode = "select" | "move" | "resize-lo" | "resize-hi";
+
+export interface DragState {
+ mode: DragMode;
+ origin: number;
+ band: Band;
+}
+
+/** The band a drag produces when the pointer is over bucket `at`; always within [0, buckets - 1]. */
+export function dragUpdate(drag: DragState, at: number, buckets = BUCKETS): Band {
+ const last = buckets - 1;
+ const clamp = (i: number) => Math.min(last, Math.max(0, i));
+ const { band, origin } = drag;
+ if (drag.mode === "select") return { lo: Math.min(origin, clamp(at)), hi: Math.max(origin, clamp(at)) };
+ if (drag.mode === "resize-lo") return { lo: Math.min(clamp(at), band.hi), hi: band.hi };
+ if (drag.mode === "resize-hi") return { lo: band.lo, hi: Math.max(clamp(at), band.lo) };
+ const width = band.hi - band.lo;
+ const lo = Math.min(last - width, Math.max(0, band.lo + (at - origin)));
+ return { lo, hi: lo + width };
+}
+
+/** Bucket band covered by a selected window, or null when nothing is selected. */
+export function bandForWindow(buckets: readonly Bucket[], selection: TimeWindow | null): Band | null {
+ if (selection === null) return null;
+ const inside = buckets.flatMap((b, i) => (b.startMs >= selection.startMs && b.endMs <= selection.endMs ? [i] : []));
+ return inside.length > 0 ? { lo: inside[0], hi: inside[inside.length - 1] } : null;
+}
+
+const edgeFormat = (range: TimeWindow): string => (range.endMs - range.startMs < DAY_MS ? "HH:mm" : EDGE_FORMAT);
+
+/** The selected window drawn as a flat bracket: resize handles on each edge, times outside, span centered. */
+function SelectionBracket({
+ band,
+ window,
+ format,
+ stripWidth,
+ onHandleDown,
+}: {
+ band: Band;
+ window: TimeWindow;
+ format: string;
+ stripWidth: number;
+ onHandleDown: (mode: DragMode) => (e: React.PointerEvent) => void;
+}) {
+ const leftFrac = band.lo / BUCKETS;
+ const rightFrac = (band.hi + 1) / BUCKETS;
+ const widthPx = (rightFrac - leftFrac) * stripWidth;
+ const handle = "absolute inset-y-0 w-[3px] cursor-ew-resize bg-info";
+ const edgeLabel =
+ "pointer-events-none absolute -top-4 font-mono text-[10px] whitespace-nowrap text-info tabular-nums";
+ return (
+ <>
+
+ {moment(bucket.startMs).format(EDGE_FORMAT)} to {moment(bucket.endMs).format("HH:mm")}
+
+
+ {bucket.runs} {bucket.runs === 1 ? "run" : "runs"}
+ {bucket.failed > 0 && `, ${bucket.failed} failed`}
+
+ drag to zoom
+
+
+
+ {widthPx >= MIN_DURATION_LABEL_PX && (
+
+ {formatSpan(window.endMs - window.startMs)}
+
+ )}
+
+
+ {moment(window.startMs).format(format)}
+
+ 0.88 ? "-translate-x-full" : "pl-1")} style={{ left: pct(rightFrac) }}>
+ {moment(window.endMs).format(format)}
+
+
+ );
+}
+
+function TickAxis({ range }: { range: TimeWindow }) {
+ const format = tickFormat(range);
+ const ticks = Array.from({ length: TICKS }, (_, i) => i / (TICKS - 1));
+ return (
+
+ {ticks.map((t) => (
+
+ );
+}
+
+/** Histogram of runs over the window. Drag to select; drag the bracket or its edges to adjust; Esc clears. */
+export function TracesTimeline({ runs, range, selection, onSelect }: TracesTimelineProps) {
+ const buckets = useMemo(() => bucketRuns(runs, range), [runs, range]);
+ const max = Math.max(1, ...buckets.map((b) => b.runs));
+ const [hover, setHover] = useState 0 && t < 1 && "items-center",
+ )}
+ style={{ left: pct(t), transform: tickShift(t) }}
+ >
+
+
+ {moment(range.startMs + (range.endMs - range.startMs) * t).format(format)}
+
+
+ ))}
+
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/TracingSetupCard.test.tsx b/ui/litellm-dashboard/src/components/view_logs/TraceView/TracingSetupCard.test.tsx
new file mode 100644
index 00000000000..c7532d2c7b6
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/TracingSetupCard.test.tsx
@@ -0,0 +1,57 @@
+import { render, screen } from "@testing-library/react";
+import userEvent from "@testing-library/user-event";
+import { describe, expect, it, vi } from "vitest";
+
+import { codingAgentPrompt, tracingEnvSnippet, TracingSetupCard } from "./TracingSetupCard";
+
+vi.mock("../../networking", () => ({ getProxyBaseUrl: () => "http://proxy.test/" }));
+vi.mock("@/utils/dataUtils", () => ({ copyToClipboard: vi.fn().mockResolvedValue(true) }));
+
+describe("TracingSetupCard", () => {
+ it("shows the waiting state and OTEL-only setup when tracing is on", () => {
+ render(
+
+ Total {formatSpan(range.endMs - range.startMs)}
+
+
+ begin("select", e)}
+ onPointerMove={onMove}
+ onPointerUp={onUp}
+ onPointerLeave={() => setHover(null)}
+ onDoubleClick={() => onSelect(null)}
+ >
+ {hover !== null && !drag && (
+
+ )}
+ {buckets.map((b, i) => (
+
+
+
+ );
+}
+
+function FileLabel({ children }: { children: React.ReactNode }) {
+ return {children};
+}
+
+function LineTabs
+ {tabs}
+
+
+
+ {code}
+
+
+ {options.map((option) => (
+
+ ))}
+
+ );
+}
+
+function Step({ title, children }: { title: string; children: React.ReactNode }) {
+ return (
+ {title}
+ {children} +What you'll see
+
+ 
+
+
+ {HIGHLIGHTS.map(([title, body]) => (
+
+
+
+ ))}
+ {title}
+ {body}
+
+ {FRAMEWORKS.map((f) => (
+
+ ))}
+
+ );
+}
+
+/**
+ * Agent Traces onboarding: shown until the first trace arrives (and when tracing isn't enabled on the proxy).
+ * `detail` is the proxy's 501 message when tracing is off; null means tracing is on and we're waiting.
+ */
+export function TracingSetupCard({ detail, connected = false }: { detail: string | null; connected?: boolean }) {
+ const proxyUrl = getProxyBaseUrl().replace(/\/$/, "");
+ const [framework, setFramework] = useState(FRAMEWORKS[0].id);
+ const [installer, setInstaller] = useState
+
+ );
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/__fixtures__/deep_agent_trace.json b/ui/litellm-dashboard/src/components/view_logs/TraceView/__fixtures__/deep_agent_trace.json
new file mode 100644
index 00000000000..810bbb024a0
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/__fixtures__/deep_agent_trace.json
@@ -0,0 +1,2056 @@
+{
+ "summary": {
+ "trace_id": "4bad42b84e9de3ba46fc870185f8f023",
+ "name": "deep_research_agent",
+ "service": "agent-demo",
+ "input_preview": "Should we store OTEL agent spans in ClickHouse or Postgres at 50k spans/sec?",
+ "start_time": "2026-09-30T04:36:29.377138Z",
+ "duration_ms": 51385.449,
+ "status": "ok",
+ "span_count": 126,
+ "agent_count": 2,
+ "llm_calls": 7,
+ "tool_calls": 26,
+ "error_count": 0,
+ "input_tokens": 30175,
+ "output_tokens": 2620,
+ "models": ["claude-sonnet-4-5"],
+ "agent_invocations": 2
+ },
+ "agents": [
+ {
+ "name": "deep_research_agent",
+ "parent_agent": null,
+ "invocations": 1,
+ "llm_calls": 2,
+ "tool_calls": 2,
+ "duration_ms": 51385.449
+ },
+ {
+ "name": "researcher",
+ "parent_agent": "deep_research_agent",
+ "invocations": 1,
+ "llm_calls": 5,
+ "tool_calls": 24,
+ "duration_ms": 35175.278
+ }
+ ],
+ "spans": [
+ {
+ "span_id": "5e79f3b5b504985e",
+ "parent_span_id": null,
+ "name": "deep_research_agent",
+ "type": "agent",
+ "agent": "deep_research_agent",
+ "start_offset_ms": 0.0,
+ "duration_ms": 51385.449,
+ "status": "ok",
+ "input_preview": "Should we store OTEL agent spans in ClickHouse or Postgres at 50k spans/sec?",
+ "model": null,
+ "input_tokens": 0,
+ "output_tokens": 0,
+ "litellm_request_id": null,
+ "error": null
+ },
+ {
+ "span_id": "f6e5c97125fa4e7d",
+ "parent_span_id": "5e79f3b5b504985e",
+ "name": "PatchToolCallsMiddleware.before_agent",
+ "type": "framework",
+ "agent": "deep_research_agent",
+ "start_offset_ms": 0.538,
+ "duration_ms": 0.089,
+ "status": "ok",
+ "input_preview": "",
+ "model": null,
+ "input_tokens": 0,
+ "output_tokens": 0,
+ "litellm_request_id": null,
+ "error": null
+ },
+ {
+ "span_id": "83451f3235847f6c",
+ "parent_span_id": "5e79f3b5b504985e",
+ "name": "model",
+ "type": "chain",
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+ },
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+ },
+ {
+ "span_id": "e491eb7ac3b968ae",
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new file mode 100644
index 00000000000..021755dcc70
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new file mode 100644
index 00000000000..83cb6c4ba79
--- /dev/null
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+ ]
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/__fixtures__/trace_list.json b/ui/litellm-dashboard/src/components/view_logs/TraceView/__fixtures__/trace_list.json
new file mode 100644
index 00000000000..ce0c22434c1
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/__fixtures__/trace_list.json
@@ -0,0 +1,59 @@
+{
+ "data": [
+ {
+ "trace_id": "e309a123963901e74c29cd2d3c86ff9e",
+ "name": "research_lead",
+ "service": "research-agent",
+ "input_preview": "[{\"role\": \"user\", \"content\": \"Should we store OTEL agent spans in ClickHouse or Postgres at 50k spans/sec?\"}]",
+ "start_time": "2026-09-30T06:43:54.291000+00:00",
+ "duration_ms": 40198.0,
+ "status": "ok",
+ "span_count": 216,
+ "agent_count": 6,
+ "llm_calls": 21,
+ "tool_calls": 25,
+ "error_count": 0,
+ "input_tokens": 69506,
+ "output_tokens": 2960,
+ "models": ["claude-sonnet-4-5"],
+ "agent_invocations": 6
+ },
+ {
+ "trace_id": "f78f6df35480060fafadac887e234241",
+ "name": "support_triage_agent",
+ "service": "research-agent",
+ "input_preview": "[{\"role\": \"user\", \"content\": \"Customer acme-404 says billing is wrong. What plan are they on?\"}]",
+ "start_time": "2026-09-30T06:43:52.928000+00:00",
+ "duration_ms": 1315.0,
+ "status": "ok",
+ "span_count": 5,
+ "agent_count": 1,
+ "llm_calls": 1,
+ "tool_calls": 1,
+ "error_count": 2,
+ "input_tokens": 659,
+ "output_tokens": 60,
+ "models": ["claude-sonnet-4-5"],
+ "agent_invocations": 1
+ },
+ {
+ "trace_id": "71498cec128bbea430f01de04b972f36",
+ "name": "support_triage_agent",
+ "service": "research-agent",
+ "input_preview": "[{\"role\": \"user\", \"content\": \"Customer acme-42 gets 429s after upgrading. What plan are they on and what should they check?\"}]",
+ "start_time": "2026-09-30T06:43:47.373000+00:00",
+ "duration_ms": 5551.0,
+ "status": "ok",
+ "span_count": 9,
+ "agent_count": 1,
+ "llm_calls": 2,
+ "tool_calls": 2,
+ "error_count": 0,
+ "input_tokens": 1552,
+ "output_tokens": 202,
+ "models": ["claude-sonnet-4-5"],
+ "agent_invocations": 1
+ }
+ ],
+ "next_cursor": null
+}
diff --git a/ui/litellm-dashboard/src/components/view_logs/TraceView/traceTree.ts b/ui/litellm-dashboard/src/components/view_logs/TraceView/traceTree.ts
new file mode 100644
index 00000000000..2f0e66833a4
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/view_logs/TraceView/traceTree.ts
@@ -0,0 +1,48 @@
+/**
+ * Shared contract for the agent run view (span tree + detail pane).
+ * Rows are produced by `buildTreeRows` in traceUtils.ts and rendered by SpanTree / DetailPane.
+ */
+import type { Span, SpanType } from "./traceTypes";
+
+export type ErrorSource = "model" | "tool" | "litellm";
+
+export interface SpanRowData {
+ kind: "span";
+ id: string;
+ span: Span;
+ depth: number;
+ hasChildren: boolean;
+ collapsed: boolean;
+}
+
+export interface GroupRowData {
+ kind: "group";
+ id: string;
+ depth: number;
+ name: string;
+ type: SpanType;
+ agent: string;
+ members: Span[];
+ failedCount: number;
+ p50Duration: number;
+ /** Every member failed (e.g. a tool that failed ×12). */
+ isFailureGroup: boolean;
+ expanded: boolean;
+}
+
+export interface LoadMoreRowData {
+ kind: "load-more";
+ id: string;
+ depth: number;
+ groupId: string;
+ remaining: number;
+}
+
+export type TreeRow = SpanRowData | GroupRowData | LoadMoreRowData;
+
+export interface SpanTreeState {
+ hideFramework: boolean;
+ collapsedSpanIds: ReadonlySet
+
+
+
+
+
+
+ config.yaml} />
+
+ )}
+
+
+ Prompt} />
+
+
+
+
+
+
+ Shell} />
+
+
+
+ my_agent.py}
+ />
+
+
+ + Send your agent's OpenTelemetry traces to LiteLLM +
++ Standard OTLP. Pick your framework, set three env vars, and run your agent as usual. +
++ Paste this into your coding agent from the project root, or follow the steps below by hand. +
+
+ Shell} />
+
+
+ setActiveTab(value as LogsTabId)}
+ className="min-h-0 flex-1 gap-0"
+ >
+
{tabs.map((tab) => (
-
+
{tab.label}
+ {tab.isNew && (
+
+ New
+
+ )}
))}