import {  AlertTriangleIcon,  ChevronDownIcon,  ChevronRightIcon,  CopyIcon,  FolderOpenIcon,  InfoIcon,  RefreshCwIcon,} from "lucide-react";import { useCallback, useMemo, useState, type ReactNode } from "react";import type { ServerProcessDiagnosticsEntry, ServerProcessSignal } from "@t3tools/contracts";import * as DateTime from "effect/DateTime";import * as Option from "effect/Option"; import { ensureLocalApi } from "../../localApi";import { cn } from "../../lib/utils";import { resolveAndPersistPreferredEditor } from "../../editorPreferences";import { formatRelativeTime } from "../../timestampFormat";import { useServerAvailableEditors, useServerObservability } from "../../rpc/serverState";import { useProcessDiagnostics } from "../../lib/processDiagnosticsState";import { useTraceDiagnostics } from "../../lib/traceDiagnosticsState";import { Button } from "../ui/button";import { ScrollArea } from "../ui/scroll-area";import { Tooltip, TooltipPopup, TooltipTrigger } from "../ui/tooltip";import { toastManager } from "../ui/toast";import { SettingsPageContainer, SettingsSection, useRelativeTimeTick } from "./settingsLayout"; const NUMBER_FORMAT = new Intl.NumberFormat(); function formatCount(value: number): string {  return NUMBER_FORMAT.format(value);} function formatDuration(value: number): string {  if (value < 1_000) return `${Math.round(value)} ms`;  return `${(value / 1_000).toFixed(value >= 10_000 ? 1 : 2)} s`;} function formatBytes(value: number): string {  if (value < 1024) return `${value} B`;  const units = ["KB", "MB", "GB"] as const;  let unitIndex = -1;  let next = value;  do {    next /= 1024;    unitIndex += 1;  } while (next >= 1024 && unitIndex < units.length - 1);  return `${next.toFixed(next >= 10 ? 1 : 2)} ${units[unitIndex]}`;} function formatRelative(value: DateTime.Utc | null): string {  if (!value) return "No trace records";  const relative = formatRelativeTime(DateTime.formatIso(value));  return relative.suffix ? `${relative.value} ${relative.suffix}` : relative.value;} function formatRelativeNoWrap(value: DateTime.Utc | null): string {  return formatRelative(value).replaceAll(" ", "\u00a0");} function shortenTraceId(traceId: string): string {  if (traceId.length <= 32) return traceId;  return `${traceId.slice(0, 18)}...${traceId.slice(-10)}`;} function isStaleProcessSignalMessage(message: string | undefined): boolean {  return message?.includes("not a live descendant") ?? false;} function StatBlock({  label,  value,  tooltip,  tone = "default",}: {  label: string;  value: string;  tooltip?: ReactNode;  tone?: "default" | "warning" | "danger";}) {  return (    <div className="min-w-0 border-border/60 px-4 py-3 sm:px-5">      <div className="flex min-w-0 items-center gap-1.5 text-[11px] font-medium uppercase tracking-[0.08em] text-muted-foreground/70">        <span className="min-w-0 truncate">{label}</span>        {tooltip ? (          <Tooltip>            <TooltipTrigger              render={                <button                  type="button"                  className="inline-flex size-3.5 shrink-0 items-center justify-center rounded-sm text-muted-foreground/60 hover:text-foreground"                  aria-label={`${label} details`}                >                  <InfoIcon className="size-3" />                </button>              }            />            <TooltipPopup              side="top"              className="max-w-[min(300px,calc(100vw-2rem))] whitespace-normal text-left text-[11px] leading-relaxed text-wrap"            >              {tooltip}            </TooltipPopup>          </Tooltip>        ) : null}      </div>      <div        className={cn(          "mt-1 truncate font-mono text-lg font-semibold tabular-nums text-foreground",          tone === "warning" && "text-amber-600 dark:text-amber-400",          tone === "danger" && "text-destructive",        )}      >        {value}      </div>    </div>  );} function StatsGrid({ children }: { children: ReactNode }) {  return (    <div className="relative grid grid-cols-2 sm:grid-cols-4">      <span        className="pointer-events-none absolute inset-y-0 left-1/2 w-px bg-border/60"        aria-hidden      />      <span        className="pointer-events-none absolute inset-x-0 top-1/2 h-px bg-border/60 sm:hidden"        aria-hidden      />      <span        className="pointer-events-none absolute inset-y-0 left-1/4 hidden w-px bg-border/60 sm:block"        aria-hidden      />      <span        className="pointer-events-none absolute inset-y-0 left-3/4 hidden w-px bg-border/60 sm:block"        aria-hidden      />      {children}    </div>  );} function EmptyRows({ label }: { label: string }) {  return <div className="px-4 py-4 text-xs text-muted-foreground sm:px-5">{label}</div>;} function ExpandableText({  text,  className,  collapsedClassName = "line-clamp-3",  expandLabel = "Show full error",}: {  text: string;  className?: string;  collapsedClassName?: string;  expandLabel?: string;}) {  const [expanded, setExpanded] = useState(false);  const canExpand = text.length > 180 || text.includes("\n");   return (    <div className={cn("min-w-0", className)}>      <div        className={cn(          "whitespace-pre-wrap break-words",          !expanded && canExpand ? collapsedClassName : null,        )}      >        {text}      </div>      {canExpand ? (        <button          type="button"          className="mt-1 text-[11px] font-medium text-foreground/70 underline-offset-2 hover:text-foreground hover:underline"          onClick={() => setExpanded((value) => !value)}        >          {expanded ? "Show less" : expandLabel}        </button>      ) : null}    </div>  );} function DiagnosticsTable({  headers,  children,  minTableWidth = "min-w-[640px]",  columnWidths,}: {  headers: ReadonlyArray<string>;  children: ReactNode;  minTableWidth?: string;  columnWidths?: ReadonlyArray<string>;}) {  return (    <ScrollArea      chainVerticalScroll      scrollFade      hideScrollbars      className="w-full max-w-full rounded-none"    >      <table        className={cn("w-full text-left text-xs", minTableWidth, columnWidths && "table-fixed")}      >        {columnWidths ? (          <colgroup>            {headers.map((header, index) => (              <col key={header} className={columnWidths[index]} />            ))}          </colgroup>        ) : null}        <thead className="border-b border-border/60 text-[11px] uppercase tracking-[0.08em] text-muted-foreground/70">          <tr>            {headers.map((header, index) => (              <th                key={header}                className={cn(                  "whitespace-nowrap px-4 py-2.5 font-semibold first:sm:pl-5 last:sm:pr-5",                  !columnWidths && index === headers.length - 1 && "w-px",                )}              >                {header.replaceAll(" ", "\u00a0")}              </th>            ))}          </tr>        </thead>        <tbody className="divide-y divide-border/60">{children}</tbody>      </table>    </ScrollArea>  );} function TraceIdCell({ traceId }: { traceId: string }) {  const [copied, setCopied] = useState(false);  const copyTraceId = useCallback(() => {    void navigator.clipboard      ?.writeText(traceId)      .then(() => {        setCopied(true);        window.setTimeout(() => setCopied(false), 1_200);      })      .catch(() => undefined);  }, [traceId]);   return (    <div className="flex w-full min-w-0 max-w-full items-center gap-2">      <Tooltip>        <TooltipTrigger          render={            <span className="min-w-0 flex-1 truncate font-mono text-[11px]">              {shortenTraceId(traceId)}            </span>          }        />        <TooltipPopup          side="top"          className="max-w-[min(520px,calc(100vw-2rem))] break-all font-mono text-[11px]"        >          {traceId}        </TooltipPopup>      </Tooltip>      <Tooltip>        <TooltipTrigger          render={            <button              type="button"              className="inline-flex size-5 shrink-0 items-center justify-center rounded-sm text-muted-foreground hover:bg-accent hover:text-foreground"              aria-label={copied ? "Copied trace ID" : "Copy trace ID"}              onClick={copyTraceId}            >              <CopyIcon className="size-3" />            </button>          }        />        <TooltipPopup side="top">{copied ? "Copied" : "Copy full trace ID"}</TooltipPopup>      </Tooltip>    </div>  );} function formatProcessName(command: string): string {  const firstToken = command.trim().split(/\s+/)[0];  if (!firstToken) return command;  const normalized = firstToken.replace(/^['"]|['"]$/g, "");  const segments = normalized.split(/[\\/]/).filter(Boolean);  return segments.at(-1) ?? normalized;} function formatProcessType(process: ServerProcessDiagnosticsEntry): string {  if (process.depth > 0) return "Subprocess";  if (/\b(codex|claude|opencode|cursor)\b/i.test(process.command)) return "Agent";  return "Process";} function ProcessNameCell({  process,  isExpanded,  onToggle,}: {  process: ServerProcessDiagnosticsEntry;  isExpanded: boolean;  onToggle: (pid: number) => void;}) {  const name = formatProcessName(process.command);  const hasChildren = process.childPids.length > 0;  const ChevronIcon = isExpanded ? ChevronDownIcon : ChevronRightIcon;   return (    <div      className="grid min-w-0 grid-cols-[1.25rem_0.375rem_minmax(0,1fr)] items-center gap-2"      style={{ paddingLeft: `${Math.min(process.depth, 8) * 16}px` }}    >      {hasChildren ? (        <button          type="button"          className="inline-flex size-5 items-center justify-center rounded-sm text-muted-foreground hover:bg-accent hover:text-foreground"          aria-label={isExpanded ? `Collapse ${name}` : `Expand ${name}`}          onClick={() => onToggle(process.pid)}        >          <ChevronIcon className="size-3.5" />        </button>      ) : (        <span className="size-5 shrink-0" aria-hidden="true" />      )}      <span className="size-1.5 shrink-0 rounded-full bg-emerald-500/80" />      <span className="min-w-0 truncate font-medium text-foreground">{name}</span>    </div>  );} function ProcessSignalActions({  process,  isSignaling,  onSignal,}: {  process: ServerProcessDiagnosticsEntry;  isSignaling: boolean;  onSignal: (pid: number, signal: ServerProcessSignal) => void;}) {  return (    <div className="flex items-center justify-end gap-1.5">      <Tooltip>        <TooltipTrigger          render={            <button              type="button"              disabled={isSignaling}              className="text-[11px] font-medium text-muted-foreground underline-offset-2 hover:text-foreground hover:underline disabled:pointer-events-none disabled:opacity-50"              onClick={() => onSignal(process.pid, "SIGINT")}            >              INT            </button>          }        />        <TooltipPopup side="top">Send SIGINT</TooltipPopup>      </Tooltip>      <Tooltip>        <TooltipTrigger          render={            <button              type="button"              disabled={isSignaling}              className="text-[11px] font-medium text-destructive underline-offset-2 hover:underline disabled:pointer-events-none disabled:opacity-50"              onClick={() => onSignal(process.pid, "SIGKILL")}            >              KILL            </button>          }        />        <TooltipPopup side="top">Send SIGKILL</TooltipPopup>      </Tooltip>    </div>  );} function ProcessDiagnosticsTable({  processes,  signalingPid,  onSignal,  emptyLabel,}: {  processes: ReadonlyArray<ServerProcessDiagnosticsEntry>;  signalingPid: number | null;  onSignal: (pid: number, signal: ServerProcessSignal) => void;  emptyLabel?: string;}) {  const [collapsedPids, setCollapsedPids] = useState<ReadonlySet<number>>(() => new Set());  const visibleProcesses = useMemo(() => {    const visible: ServerProcessDiagnosticsEntry[] = [];    let hiddenChildDepth: number | null = null;     for (const process of processes) {      if (hiddenChildDepth !== null) {        if (process.depth > hiddenChildDepth) continue;        hiddenChildDepth = null;      }       visible.push(process);      if (collapsedPids.has(process.pid)) {        hiddenChildDepth = process.depth;      }    }     return visible;  }, [collapsedPids, processes]);   const toggleProcess = useCallback((pid: number) => {    setCollapsedPids((previous) => {      const next = new Set(previous);      if (next.has(pid)) {        next.delete(pid);      } else {        next.add(pid);      }      return next;    });  }, []);   return (    <ScrollArea      chainVerticalScroll      scrollFade      hideScrollbars      className="w-full max-w-full rounded-none border-t border-border/60"    >      <table className="w-full min-w-[1040px] table-fixed text-left text-xs">        <colgroup>          <col className="w-[24%]" />          <col className="w-[8%]" />          <col className="w-[10%]" />          <col className="w-[33%]" />          <col className="w-[8%]" />          <col className="w-[11%]" />          <col className="w-[6%]" />        </colgroup>        <thead className="border-b border-border/60 bg-muted/15 text-[11px] uppercase tracking-[0.08em] text-muted-foreground/70">          <tr>            <th className="px-4 py-2 font-semibold sm:pl-5">Name</th>            <th className="px-3 py-2 text-right font-semibold">CPU</th>            <th className="px-3 py-2 text-right font-semibold">Memory</th>            <th className="px-3 py-2 font-semibold">Command</th>            <th className="px-3 py-2 text-right font-semibold">PID</th>            <th className="px-3 py-2 font-semibold">Type</th>            <th className="px-2 py-2 text-right font-semibold sm:pr-4">Kill</th>          </tr>        </thead>        <tbody className="divide-y divide-border/50">          {visibleProcesses.length === 0 ? (            <tr>              <td colSpan={7} className="px-4 py-4 text-xs text-muted-foreground sm:px-5">                {emptyLabel ?? "No live descendant processes found."}              </td>            </tr>          ) : null}          {visibleProcesses.map((process) => (            <tr key={process.pid} className="hover:bg-muted/20">              <td className="px-4 py-2 align-middle sm:pl-5">                <ProcessNameCell                  process={process}                  isExpanded={!collapsedPids.has(process.pid)}                  onToggle={toggleProcess}                />              </td>              <td className="px-3 py-2 text-right align-middle font-mono tabular-nums">                {process.cpuPercent.toFixed(1)}%              </td>              <td className="px-3 py-2 text-right align-middle font-mono tabular-nums">                {formatBytes(process.rssBytes)}              </td>              <td className="px-3 py-2 align-middle text-muted-foreground">                <Tooltip>                  <TooltipTrigger                    render={<span className="block truncate">{process.command}</span>}                  />                  <TooltipPopup                    side="top"                    className="max-w-[min(440px,calc(100vw-2rem))] whitespace-normal break-words text-left font-mono text-[11px] leading-relaxed text-wrap"                  >                    {process.command}                  </TooltipPopup>                </Tooltip>              </td>              <td className="px-3 py-2 text-right align-middle font-mono tabular-nums text-muted-foreground">                {process.pid}              </td>              <td className="truncate px-3 py-2 align-middle text-muted-foreground">                {formatProcessType(process)}              </td>              <td className="px-2 py-2 align-middle sm:pr-4">                <ProcessSignalActions                  process={process}                  isSignaling={signalingPid === process.pid}                  onSignal={onSignal}                />              </td>            </tr>          ))}        </tbody>      </table>

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