feat(ui): add agent traces section with setup card fallback

ui/litellm-dashboard/src/components/view_logs/TraceView/AgentTracesSection.tsx

@@ -0,0 +1,107 @@
+"use client";
+
+import { useState } from "react";
+
+import { Button } from "@/components/ui/button";
+import { ButtonGroup } from "@/components/ui/button-group";
+
+import { AgentTracesTable } from "./AgentTracesTable";
+import { TraceDrawer } from "./TraceDrawer";
+import { TracingSetupCard } from "./TracingSetupCard";
+import { useAgentTraces } from "./useAgentTraces";
+
+export type LogsView = "all" | "traces" | "llm";
+
+const VIEWS: { id: LogsView; label: string }[] = [
+  { id: "all", label: "All" },
+  { id: "traces", label: "Agent traces" },
+  { id: "llm", label: "LLM requests" },
+];
+
+export function LogsViewSwitch({ value, onChange }: { value: LogsView; onChange: (view: LogsView) => void }) {
+  return (
+    <ButtonGroup aria-label="Log type">
+      {VIEWS.map((view) => (
+        <Button
+          key={view.id}
+          size="sm"
+          variant={value === view.id ? "secondary" : "outline"}
+          aria-pressed={value === view.id}
+          onClick={() => onChange(view.id)}
+        >
+          {view.label}
+        </Button>
+      ))}
+    </ButtonGroup>
+  );
+}
+
+interface AgentTracesSectionProps {
+  view: LogsView;
+  accessToken: string;
+  isActive: boolean;
+  startTime: string;
+  endTime: string;
+  isCustomDate: boolean;
+  isLiveTail: boolean;
+  /** Open the request-log drawer for a LiteLLM request id (from a span's LiteLLM request card). */
+  onOpenRequestLog: (requestId: string) => void;
+}
+
+/**
+ * Agent trace rows for the Logs page. In "Agent traces" it is the whole list (or the
+ * setup card on 501); in "All" the current trace page sits above the request logs.
+ */
+export function AgentTracesSection({
+  view,
+  accessToken,
+  isActive,
+  startTime,
+  endTime,
+  isCustomDate,
+  isLiveTail,
+  onOpenRequestLog,
+}: AgentTracesSectionProps) {
+  const [openTrace, setOpenTrace] = useState<{ traceId: string; spanId: string | null } | null>(null);
+  const traces = useAgentTraces({
+    accessToken,
+    startTime,
+    endTime,
+    isCustomDate,
+    isLiveTail,
+    enabled: isActive && view !== "llm",
+  });
+
+  if (view === "llm") return null;
+
+  const handleOpenRequestLog = (requestId: string) => {
+    setOpenTrace(null);
+    onOpenRequestLog(requestId);
+  };
+
+  return (
+    <>
+      {view === "traces" && traces.notEnabledDetail !== null && <TracingSetupCard detail={traces.notEnabledDetail} />}
+      {traces.notEnabledDetail === null && (
+        <AgentTracesTable
+          accessToken={accessToken}
+          traces={traces.traces}
+          isLoading={traces.isLoading}
+          error={traces.error}
+          hasMore={traces.hasMore}
+          onLoadMore={traces.loadMore}
+          onOpenTrace={(traceId, spanId) => setOpenTrace({ traceId, spanId: spanId ?? null })}
+          compact={view === "all"}
+        />
+      )}
+      <TraceDrawer
+        open={openTrace !== null}
+        traceId={openTrace?.traceId ?? null}
+        initialSpanId={openTrace?.spanId}
+        accessToken={accessToken}
+        onClose={() => setOpenTrace(null)}
+        onOpenRequestLog={handleOpenRequestLog}
+      />
+    </>
+  );
+}