import { FitAddon } from "@xterm/addon-fit";import { type NativeApi } from "@t3tools/contracts";import { Terminal, type ITheme } from "@xterm/xterm";import {  type PointerEvent as ReactPointerEvent,  useCallback,  useEffect,  useRef,  useState,} from "react";import {  extractTerminalLinks,  isTerminalLinkActivation,  preferredTerminalEditor,  resolvePathLinkTarget,} from "../terminal-links";import { isTerminalClearShortcut } from "../terminal-shortcuts";import { DEFAULT_THREAD_TERMINAL_HEIGHT } from "../types"; const MIN_DRAWER_HEIGHT = 180;const MAX_DRAWER_HEIGHT_RATIO = 0.75; function maxDrawerHeight(): number {  if (typeof window === "undefined") return DEFAULT_THREAD_TERMINAL_HEIGHT;  return Math.max(    MIN_DRAWER_HEIGHT,    Math.floor(window.innerHeight * MAX_DRAWER_HEIGHT_RATIO),  );} function clampDrawerHeight(height: number): number {  const safeHeight = Number.isFinite(height)    ? height    : DEFAULT_THREAD_TERMINAL_HEIGHT;  const maxHeight = maxDrawerHeight();  return Math.min(Math.max(Math.round(safeHeight), MIN_DRAWER_HEIGHT), maxHeight);} function writeSystemMessage(terminal: Terminal, message: string): void {  terminal.write(`\r\n[terminal] ${message}\r\n`);} function terminalThemeFromApp(): ITheme {  const isDark = document.documentElement.classList.contains("dark");  const bodyStyles = getComputedStyle(document.body);  const background =    bodyStyles.backgroundColor || (isDark ? "rgb(14, 18, 24)" : "rgb(255, 255, 255)");  const foreground =    bodyStyles.color || (isDark ? "rgb(237, 241, 247)" : "rgb(28, 33, 41)");   if (isDark) {    return {      background,      foreground,      cursor: "rgb(180, 203, 255)",      selectionBackground: "rgba(180, 203, 255, 0.25)",      scrollbarSliderBackground: "rgba(255, 255, 255, 0.1)",      scrollbarSliderHoverBackground: "rgba(255, 255, 255, 0.18)",      scrollbarSliderActiveBackground: "rgba(255, 255, 255, 0.22)",      black: "rgb(24, 30, 38)",      red: "rgb(255, 122, 142)",      green: "rgb(134, 231, 149)",      yellow: "rgb(244, 205, 114)",      blue: "rgb(137, 190, 255)",      magenta: "rgb(208, 176, 255)",      cyan: "rgb(124, 232, 237)",      white: "rgb(210, 218, 230)",      brightBlack: "rgb(110, 120, 136)",      brightRed: "rgb(255, 168, 180)",      brightGreen: "rgb(176, 245, 186)",      brightYellow: "rgb(255, 224, 149)",      brightBlue: "rgb(174, 210, 255)",      brightMagenta: "rgb(229, 203, 255)",      brightCyan: "rgb(167, 244, 247)",      brightWhite: "rgb(244, 247, 252)",    };  }   return {    background,    foreground,    cursor: "rgb(38, 56, 78)",    selectionBackground: "rgba(37, 63, 99, 0.2)",    scrollbarSliderBackground: "rgba(0, 0, 0, 0.15)",    scrollbarSliderHoverBackground: "rgba(0, 0, 0, 0.25)",    scrollbarSliderActiveBackground: "rgba(0, 0, 0, 0.3)",    black: "rgb(44, 53, 66)",    red: "rgb(191, 70, 87)",    green: "rgb(60, 126, 86)",    yellow: "rgb(146, 112, 35)",    blue: "rgb(72, 102, 163)",    magenta: "rgb(132, 86, 149)",    cyan: "rgb(53, 127, 141)",    white: "rgb(210, 215, 223)",    brightBlack: "rgb(112, 123, 140)",    brightRed: "rgb(212, 95, 112)",    brightGreen: "rgb(85, 148, 111)",    brightYellow: "rgb(173, 133, 45)",    brightBlue: "rgb(91, 124, 194)",    brightMagenta: "rgb(153, 107, 172)",    brightCyan: "rgb(70, 149, 164)",    brightWhite: "rgb(236, 240, 246)",  };} interface ThreadTerminalDrawerProps {  api: NativeApi;  threadId: string;  cwd: string;  height: number;  focusRequestId: number;  onHeightChange: (height: number) => void;  onThreadExited: () => void;} export default function ThreadTerminalDrawer({  api,  threadId,  cwd,  height,  focusRequestId,  onHeightChange,  onThreadExited,}: ThreadTerminalDrawerProps) {  const [drawerHeight, setDrawerHeight] = useState(() => clampDrawerHeight(height));  const containerRef = useRef<HTMLDivElement>(null);  const terminalRef = useRef<Terminal | null>(null);  const fitAddonRef = useRef<FitAddon | null>(null);  const drawerHeightRef = useRef(drawerHeight);  const lastSyncedHeightRef = useRef(clampDrawerHeight(height));  const onHeightChangeRef = useRef(onHeightChange);  const onThreadExitedRef = useRef(onThreadExited);  const resizeStateRef = useRef<{    pointerId: number;    startY: number;    startHeight: number;  } | null>(null);  const didResizeDuringDragRef = useRef(false);   useEffect(() => {    onHeightChangeRef.current = onHeightChange;  }, [onHeightChange]);   useEffect(() => {    onThreadExitedRef.current = onThreadExited;  }, [onThreadExited]);   useEffect(() => {    drawerHeightRef.current = drawerHeight;  }, [drawerHeight]);   const syncHeight = useCallback(    (nextHeight: number) => {      const clampedHeight = clampDrawerHeight(nextHeight);      if (lastSyncedHeightRef.current === clampedHeight) return;      lastSyncedHeightRef.current = clampedHeight;      onHeightChangeRef.current(clampedHeight);    },    [],  );   const fitAndResizeTerminal = useCallback((preserveBottom = false) => {    const activeTerminal = terminalRef.current;    const activeFitAddon = fitAddonRef.current;    if (!activeTerminal || !activeFitAddon) return;    const wasAtBottom =      preserveBottom &&      activeTerminal.buffer.active.viewportY >= activeTerminal.buffer.active.baseY;    activeFitAddon.fit();    if (wasAtBottom) {      activeTerminal.scrollToBottom();    }    void api.terminal      .resize({        threadId,        cols: activeTerminal.cols,        rows: activeTerminal.rows,      })      .catch(() => undefined);  }, [api, threadId]);   useEffect(() => {    const clampedHeight = clampDrawerHeight(height);    setDrawerHeight(clampedHeight);    lastSyncedHeightRef.current = clampedHeight;  }, [height, threadId]);   const handleResizePointerDown = useCallback(    (event: ReactPointerEvent<HTMLDivElement>) => {      if (event.button !== 0) return;      event.preventDefault();      event.currentTarget.setPointerCapture(event.pointerId);      didResizeDuringDragRef.current = false;      resizeStateRef.current = {        pointerId: event.pointerId,        startY: event.clientY,        startHeight: drawerHeightRef.current,      };    },    [],  );   const handleResizePointerMove = useCallback(    (event: ReactPointerEvent<HTMLDivElement>) => {      const resizeState = resizeStateRef.current;      if (!resizeState || resizeState.pointerId !== event.pointerId) return;      event.preventDefault();      const clampedHeight = clampDrawerHeight(        resizeState.startHeight + (resizeState.startY - event.clientY),      );      if (clampedHeight === drawerHeightRef.current) {        return;      }      didResizeDuringDragRef.current = true;      drawerHeightRef.current = clampedHeight;      setDrawerHeight(clampedHeight);    },    [],  );   const handleResizePointerEnd = useCallback(    (event: ReactPointerEvent<HTMLDivElement>) => {      const resizeState = resizeStateRef.current;      if (!resizeState || resizeState.pointerId !== event.pointerId) return;      resizeStateRef.current = null;      if (event.currentTarget.hasPointerCapture(event.pointerId)) {        event.currentTarget.releasePointerCapture(event.pointerId);      }      if (!didResizeDuringDragRef.current) {        return;      }      syncHeight(drawerHeightRef.current);      fitAndResizeTerminal(true);    },    [fitAndResizeTerminal, syncHeight],  );   useEffect(() => {    const onWindowResize = () => {      const clampedHeight = clampDrawerHeight(drawerHeightRef.current);      const changed = clampedHeight !== drawerHeightRef.current;      if (changed) {        setDrawerHeight(clampedHeight);      } else {        fitAndResizeTerminal(true);      }      if (!resizeStateRef.current) {        syncHeight(clampedHeight);      }    };    window.addEventListener("resize", onWindowResize);    return () => {      window.removeEventListener("resize", onWindowResize);    };  }, [fitAndResizeTerminal, syncHeight]);   useEffect(() => {    return () => {      syncHeight(drawerHeightRef.current);    };  }, [syncHeight]);   useEffect(() => {    const mount = containerRef.current;    if (!mount) return;     let disposed = false;     const fitAddon = new FitAddon();    const terminal = new Terminal({      cursorBlink: true,      lineHeight: 1.2,      fontSize: 12,      scrollback: 5_000,      fontFamily:        '"SF Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace',      theme: terminalThemeFromApp(),    });    terminal.loadAddon(fitAddon);    terminal.open(mount);    fitAddon.fit();     terminalRef.current = terminal;    fitAddonRef.current = fitAddon;     const sendClearShortcut = async () => {      const activeTerminal = terminalRef.current;      if (!activeTerminal) return;      try {        await api.terminal.write({ threadId, data: "\u000c" });      } catch (error) {        writeSystemMessage(          activeTerminal,          error instanceof Error ? error.message : "Failed to clear terminal",        );      }    };     terminal.attachCustomKeyEventHandler((event) => {      if (!isTerminalClearShortcut(event)) return true;      event.preventDefault();      event.stopPropagation();      void sendClearShortcut();      return false;    });     const terminalLinksDisposable = terminal.registerLinkProvider({      provideLinks: (bufferLineNumber, callback) => {        const activeTerminal = terminalRef.current;        if (!activeTerminal) {          callback(undefined);          return;        }         const line = activeTerminal.buffer.active.getLine(bufferLineNumber - 1);        if (!line) {          callback(undefined);          return;        }         const lineText = line.translateToString(true);        const matches = extractTerminalLinks(lineText);        if (matches.length === 0) {          callback(undefined);          return;        }         callback(          matches.map((match) => ({            text: match.text,            range: {              start: { x: match.start + 1, y: bufferLineNumber },              end: { x: match.end, y: bufferLineNumber },            },            activate: (event: MouseEvent) => {              if (!isTerminalLinkActivation(event)) {                return;              }               const latestTerminal = terminalRef.current;              if (!latestTerminal) {                return;              }               if (match.kind === "url") {                void api.shell.openExternal(match.text).catch((error) => {                  writeSystemMessage(                    latestTerminal,                    error instanceof Error ? error.message : "Unable to open link",                  );                });                return;              }               const target = resolvePathLinkTarget(match.text, cwd);              void api.shell.openInEditor(target, preferredTerminalEditor()).catch((error) => {                writeSystemMessage(                  latestTerminal,                  error instanceof Error ? error.message : "Unable to open path",                );              });            },          })),        );      },    });     const inputDisposable = terminal.onData((data) => {      void api.terminal        .write({ threadId, data })        .catch((err) =>          writeSystemMessage(            terminal,            err instanceof Error ? err.message : "Terminal write failed",          ),        );    });     const themeObserver = new MutationObserver(() => {      const activeTerminal = terminalRef.current;      if (!activeTerminal) return;      activeTerminal.options.theme = terminalThemeFromApp();      activeTerminal.refresh(0, activeTerminal.rows - 1);    });    themeObserver.observe(document.documentElement, {      attributes: true,      attributeFilter: ["class", "style"],    });     const openTerminal = async () => {      try {        const activeTerminal = terminalRef.current;        const activeFitAddon = fitAddonRef.current;        if (!activeTerminal || !activeFitAddon) return;        activeFitAddon.fit();        const snapshot = await api.terminal.open({          threadId,          cwd,          cols: activeTerminal.cols,          rows: activeTerminal.rows,        });        if (disposed) return;        activeTerminal.write("\u001bc");        if (snapshot.history.length > 0) {          activeTerminal.write(snapshot.history);        }        window.requestAnimationFrame(() => {          activeTerminal.focus();        });      } catch (err) {        if (disposed) return;        writeSystemMessage(          terminal,          err instanceof Error ? err.message : "Failed to open terminal",        );      }    };     const unsubscribe = api.terminal.onEvent((event) => {      if (event.threadId !== threadId) return;      const activeTerminal = terminalRef.current;      if (!activeTerminal) return;       if (event.type === "output") {        activeTerminal.write(event.data);        return;      }       if (event.type === "started" || event.type === "restarted") {        activeTerminal.write("\u001bc");        if (event.snapshot.history.length > 0) {          activeTerminal.write(event.snapshot.history);        }        return;      }       if (event.type === "cleared") {        activeTerminal.clear();        activeTerminal.write("\u001bc");        return;      }       if (event.type === "error") {        writeSystemMessage(activeTerminal, event.message);        return;      }       if (event.type === "exited") {        onThreadExitedRef.current();      }    });     const fitTimer = window.setTimeout(() => {      fitAndResizeTerminal(true);    }, 30);    void openTerminal();     return () => {      disposed = true;      window.clearTimeout(fitTimer);      unsubscribe();      inputDisposable.dispose();      terminalLinksDisposable.dispose();      themeObserver.disconnect();      terminalRef.current = null;      fitAddonRef.current = null;      terminal.dispose();    };  }, [api, cwd, fitAndResizeTerminal, threadId]);   useEffect(() => {    const terminal = terminalRef.current;    if (!terminal) return;    const frame = window.requestAnimationFrame(() => {      terminal.focus();    });    return () => {      window.cancelAnimationFrame(frame);    };  }, [focusRequestId]);   useEffect(() => {    const terminal = terminalRef.current;    const fitAddon = fitAddonRef.current;    if (!terminal || !fitAddon) return;    const wasAtBottom = terminal.buffer.active.viewportY >= terminal.buffer.active.baseY;    const frame = window.requestAnimationFrame(() => {      fitAddon.fit();      if (wasAtBottom) {        terminal.scrollToBottom();      }      void api.terminal        .resize({          threadId,          cols: terminal.cols,          rows: terminal.rows,        })        .catch(() => undefined);    });    return () => {

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