(function (global) {
    'use strict';

    var CHANNELS = ['perf', 'hierarchy', 'inspector', 'assets', 'console', 'markers', 'pick'];
    var PERF_DEFAULT_MS = 500;
    var HIER_DEFAULT_MS = 1500;
    var ASSETS_DEFAULT_MS = 2500;
    var PICK_RECT_MS = 100;
    var CONSOLE_FLUSH_MS = 100;

    /**
     * 游戏页探针：默认休眠，按订阅激活；经 postMessage 与壳通信。
     * @constructor
     */
    function WorkbenchAgent() {
        this.cc = null;
        this._subs = {};
        this._hibernating = false;
        this._parentOrigin = '*';
        this._reqId = 0;
        this._pending = {};
        this._timers = {};
        this._selectedUuid = '';
        this._pickMode = 'game';
        this._overlay = null;
        this._consoleOrig = null;
        this._consoleBuf = [];
        this._consoleFlushTimer = 0;
        this._consoleObjs = {};
        this._consoleObjSeq = 1;
        this._hierSnap = null;
        this._boundMessage = this._onMessage.bind(this);
        this._sampler = null;
        this._markers = null;
        this._device = null;
        this._paused = false;
        this._fpsOn = false;
        for (var i = 0; i < CHANNELS.length; i++) this._subs[CHANNELS[i]] = 0;
    }

    WorkbenchAgent.prototype.boot = function () {
        var self = this;
        if (global.PWDevicePreview && typeof global.PWDevicePreview.hideOfficialToolbar === 'function') {
            global.PWDevicePreview.hideOfficialToolbar();
        }
        window.addEventListener('message', this._boundMessage);
        this._ensureOverlay();
        this._waitForEngine(function (cc) {
            self.cc = cc;
            self._sampler = new global.PWPerfSampler();
            self._sampler.bindEngine(cc);
            self._sampler.intervalMs = PERF_DEFAULT_MS;
            self._sampler.onSample(function () {
                if (!self._isActive('perf')) return;
                self._post({ type: 'event', name: 'perf.sample', data: self._perfPayload() });
            });
            self._markers = new global.PWAutoMarkers(self._sampler);
            self._device = new global.PWDevicePreview();
            self._device.restore();
            var center = document.getElementById('pw-center');
            var content = document.getElementById('content');
            if (center && content) self._device.mount(center, content);
            self._device.apply(false);
            self._post({ type: 'event', name: 'agent.ready', data: { ok: true } });
            setTimeout(function () { self._device.apply(false); }, 100);
        });
    };

    WorkbenchAgent.prototype._waitForEngine = function (done) {
        var self = this;
        var tries = 0;
        var timer = setInterval(function () {
            tries++;
            var cc = global.cc && global.cc.director ? global.cc : (global.CocosEngine && global.CocosEngine.director ? global.CocosEngine : null);
            if (cc && cc.director && cc.game) {
                var scene = null;
                try { scene = cc.director.getScene(); } catch (e) { scene = null; }
                if (scene || tries > 40) {
                    clearInterval(timer);
                    done(cc);
                    return;
                }
            }
            if (tries >= 300) {
                clearInterval(timer);
                self._post({ type: 'event', name: 'agent.ready', data: { ok: false } });
            }
        }, 100);
    };

    WorkbenchAgent.prototype._post = function (msg) {
        msg.source = 'pw-agent';
        try {
            if (window.parent && window.parent !== window) {
                window.parent.postMessage(msg, this._parentOrigin);
            }
        } catch (e) { /* */ }
    };

    WorkbenchAgent.prototype._onMessage = function (ev) {
        var msg = ev.data;
        if (!msg || msg.source !== 'pw-bridge') return;
        if (ev.origin && ev.origin !== 'null') this._parentOrigin = ev.origin;
        var self = this;
        var reply = function (ok, result, error) {
            if (msg.id == null) return;
            self._post({ type: 'rpc-result', id: msg.id, ok: ok, result: result, error: error || '' });
        };
        try {
            var result = this._dispatch(msg.method, msg.params || {});
            if (result && typeof result.then === 'function') {
                result.then(function (r) { reply(true, r); }, function (err) {
                    reply(false, null, String(err && err.message ? err.message : err));
                });
            } else {
                reply(true, result);
            }
        } catch (e) {
            reply(false, null, String(e && e.message ? e.message : e));
        }
    };

    WorkbenchAgent.prototype._dispatch = function (method, params) {
        switch (method) {
            case 'ping': return { pong: true, hibernating: this._hibernating };
            case 'hibernate': return this.hibernate();
            case 'wake': return this.wake();
            case 'subscribe': return this.subscribe(params.channel);
            case 'unsubscribe': return this.unsubscribe(params.channel);
            case 'perf.get': return this._perfPayload();
            case 'perf.clear': if (this._sampler) this._sampler.clear(); return true;
            case 'perf.mark': if (this._sampler) this._sampler.userMark(params.text || ''); return true;
            case 'perf.setInterval': if (this._sampler) this._sampler.setIntervalMs(params.ms || PERF_DEFAULT_MS); return true;
            case 'perf.setCapacity': if (this._sampler) this._sampler.setCapacity(params.n || 300); return true;
            case 'perf.setPaused': if (this._sampler) this._sampler.paused = !!params.paused; return true;
            case 'hier.getTree': return this._getHierTree();
            case 'hier.select': return this._selectNode(params.uuid);
            case 'node.get': return this._getNodeProps(params.uuid);
            case 'node.set': return this._setNodeProp(params.uuid, params.fid, params.value);
            case 'assets.list': return this._listAssets();
            case 'pick.setMode': return this._setPickMode(params.mode);
            case 'pick.select': return this._selectNode(params.uuid);
            case 'game.pause': return this._setPaused(true);
            case 'game.resume': return this._setPaused(false);
            case 'game.step': return this._stepFrame();
            case 'game.fps': return this._setFps(!!params.on);
            case 'device.list': return this._device ? this._device.list() : [];
            case 'device.set': if (this._device) this._device.setDevice(params.id); return true;
            case 'device.rotate': return this._device ? this._device.toggleRotate() : false;
            case 'device.apply': if (this._device) this._device.apply(!!params.force); return true;
            case 'device.getState': return this._device ? {
                id: this._device.deviceId,
                rotated: this._device.rotated,
            } : null;
            case 'console.inspect': return this._inspectConsoleObj(params.oid, params.path || '');
            default:
                throw new Error('unknown method: ' + method);
        }
    };

    WorkbenchAgent.prototype._isActive = function (ch) {
        return !this._hibernating && this._subs[ch] > 0;
    };

    WorkbenchAgent.prototype.subscribe = function (channel) {
        if (!this._subs.hasOwnProperty(channel)) return { active: false };
        this._subs[channel] += 1;
        if (this._subs[channel] === 1) this._onChannelOn(channel);
        return { active: this._isActive(channel), count: this._subs[channel] };
    };

    WorkbenchAgent.prototype.unsubscribe = function (channel) {
        if (!this._subs.hasOwnProperty(channel)) return { active: false };
        this._subs[channel] = Math.max(0, this._subs[channel] - 1);
        if (this._subs[channel] === 0) this._onChannelOff(channel);
        return { active: this._isActive(channel), count: this._subs[channel] };
    };

    WorkbenchAgent.prototype.hibernate = function () {
        this._hibernating = true;
        for (var i = 0; i < CHANNELS.length; i++) this._onChannelOff(CHANNELS[i]);
        this._post({ type: 'event', name: 'agent.hibernate', data: { on: true } });
        return true;
    };

    WorkbenchAgent.prototype.wake = function () {
        this._hibernating = false;
        for (var i = 0; i < CHANNELS.length; i++) {
            if (this._subs[CHANNELS[i]] > 0) this._onChannelOn(CHANNELS[i]);
        }
        this._post({ type: 'event', name: 'agent.hibernate', data: { on: false } });
        return true;
    };

    WorkbenchAgent.prototype._onChannelOn = function (ch) {
        if (this._hibernating) return;
        var self = this;
        if (ch === 'perf') {
            if (this._sampler) this._sampler.start();
        } else if (ch === 'markers') {
            if (this._markers && this.cc && !this._markers._pollTimer) this._markers.bindEngine(this.cc);
        } else if (ch === 'hierarchy') {
            this._hierFp = '';
            this._clearTimer('hier');
            this._timers.hier = setInterval(function () {
                if (!self._isActive('hierarchy')) return;
                self._pushHierIfChanged();
            }, HIER_DEFAULT_MS);
            this._pushHierIfChanged(true);
        } else if (ch === 'assets') {
            this._clearTimer('assets');
            this._timers.assets = setInterval(function () {
                if (!self._isActive('assets')) return;
                self._listAssetsAsync(function (data) {
                    self._post({ type: 'event', name: 'assets.update', data: data });
                });
            }, ASSETS_DEFAULT_MS);
        } else if (ch === 'console') {
            this._hookConsole(true);
        } else if (ch === 'pick') {
            this._bindCanvasPick(true);
            this._clearTimer('pickRect');
            this._timers.pickRect = setInterval(function () {
                if (!self._isActive('pick') || !self._selectedUuid) return;
                self._updateOverlay();
                var rect = self._getOverlayRect();
                if (rect) self._post({ type: 'event', name: 'pick.rect', data: rect });
            }, PICK_RECT_MS);
        }
    };

    WorkbenchAgent.prototype._onChannelOff = function (ch) {
        if (ch === 'perf') {
            if (this._sampler) this._sampler.stop();
        } else if (ch === 'markers') {
            if (this._markers) this._markers.dispose();
        } else if (ch === 'hierarchy') {
            this._clearTimer('hier');
        } else if (ch === 'assets') {
            this._clearTimer('assets');
        } else if (ch === 'console') {
            this._hookConsole(false);
        } else if (ch === 'pick') {
            this._bindCanvasPick(false);
            this._clearTimer('pickRect');
            if (this._overlay) this._overlay.hidden = true;
        }
    };

    WorkbenchAgent.prototype._clearTimer = function (key) {
        if (this._timers[key]) {
            clearInterval(this._timers[key]);
            this._timers[key] = 0;
        }
    };

    WorkbenchAgent.prototype._perfPayload = function () {
        if (!this._sampler) return null;
        return {
            times: this._sampler.times.slice(),
            series: copySeries(this._sampler.series),
            markers: this._sampler.markers.slice(),
            latest: this._sampler.latest(),
        };
    };

    WorkbenchAgent.prototype._getHierTree = function () {
        var cc = this.cc;
        if (!cc || !cc.director) return null;
        var scene = cc.director.getScene();
        if (!scene) return null;
        var selected = this._selectedUuid;
        return {
            selected: selected,
            root: serializeNode(scene, 0, 48),
        };
    };

    /** 层级指纹变化才推送，避免无改动全量刷壳 */
    WorkbenchAgent.prototype._pushHierIfChanged = function (force) {
        var tree = this._getHierTree();
        var fp = hierFingerprint(tree && tree.root) + '|' + (tree && tree.selected || '');
        if (!force && fp === this._hierFp) return;
        this._hierFp = fp;
        this._post({ type: 'event', name: 'hier.diff', data: tree });
    };

    /** 空闲切片枚举资源，降低峰值卡顿 */
    WorkbenchAgent.prototype._listAssetsAsync = function (done) {
        var cc = this.cc;
        if (!cc || !cc.assetManager) {
            done({ rows: [], bundles: [] });
            return;
        }
        var bundleNames = [];
        var entries = [];
        try {
            if (cc.assetManager.bundles) {
                cc.assetManager.bundles.forEach(function (bundle, name) {
                    bundleNames.push(name || (bundle && bundle.name) || '');
                });
            }
            if (cc.assetManager.assets) {
                cc.assetManager.assets.forEach(function (asset, uuid) {
                    entries.push({ asset: asset, uuid: uuid });
                });
            }
        } catch (e) {
            done({ rows: [], bundles: bundleNames });
            return;
        }
        var rows = [];
        var idle = global.PWIdle;
        var visit = function (entry) {
            var asset = entry.asset;
            if (!asset) return;
            var type = (asset.constructor && asset.constructor.name) || 'Other';
            var mem = 0;
            if (asset.width && asset.height) mem = (asset.width * asset.height * 4) / (1024 * 1024);
            rows.push({
                uuid: entry.uuid,
                name: asset.name || entry.uuid,
                type: type,
                bundle: '',
                mem: mem,
                ref: asset.refCount != null ? asset.refCount : 0,
            });
        };
        if (idle && idle.forEachChunk) {
            idle.forEachChunk(entries, visit, function () {
                done({ rows: rows, bundles: bundleNames });
            }, 2);
        } else {
            for (var i = 0; i < entries.length; i++) visit(entries[i]);
            done({ rows: rows, bundles: bundleNames });
        }
    };

    WorkbenchAgent.prototype._findNode = function (uuid) {
        var cc = this.cc;
        if (!cc || !cc.director || !uuid) return null;
        var scene = cc.director.getScene();
        if (!scene) return null;
        var found = null;
        walk(scene, function (n) {
            var id = nodeId(n);
            if (id === uuid) found = n;
        });
        return found;
    };

    WorkbenchAgent.prototype._selectNode = function (uuid) {
        this._selectedUuid = uuid || '';
        var node = this._findNode(uuid);
        this._updateOverlay();
        this._post({ type: 'event', name: 'pick.selected', data: { uuid: this._selectedUuid } });
        return { uuid: this._selectedUuid, ok: !!node };
    };

    WorkbenchAgent.prototype._getNodeProps = function (uuid) {
        var node = this._findNode(uuid);
        if (!node) return null;
        var cc = this.cc;
        var p = node.getPosition ? node.getPosition() : node.position;
        var e = node.eulerAngles || { x: 0, y: 0, z: 0 };
        var s = node.getScale ? node.getScale() : node.scale;
        var uit = node.getComponent && cc ? node.getComponent(cc.UITransform) : null;
        var comps = [];
        if (node.components) {
            for (var i = 0; i < node.components.length; i++) {
                var comp = node.components[i];
                if (!comp || !comp.constructor) continue;
                var cname = comp.constructor.name;
                if (cname === 'UITransform') continue;
                var fields = [];
                var keys = Object.keys(comp);
                var shown = 0;
                for (var k = 0; k < keys.length && shown < 24; k++) {
                    var key = keys[k];
                    if (!key || key.charAt(0) === '_' || key === 'node' || key === 'uuid') continue;
                    var val = comp[key];
                    var t = typeof val;
                    if (t === 'number' || t === 'boolean' || t === 'string') {
                        fields.push({ key: key, type: t, value: val });
                        shown++;
                    }
                }
                comps.push({ name: cname, index: i, fields: fields });
            }
        }
        return {
            uuid: nodeId(node),
            name: node.name || '',
            active: !!node.active,
            layer: node.layer,
            pos: { x: p.x, y: p.y, z: p.z },
            euler: { x: e.x, y: e.y, z: e.z },
            scale: { x: s.x, y: s.y, z: s.z },
            ui: uit ? {
                width: uit.width, height: uit.height,
                anchorX: uit.anchorX, anchorY: uit.anchorY,
            } : null,
            comps: comps,
        };
    };

    WorkbenchAgent.prototype._setNodeProp = function (uuid, fid, value) {
        var node = this._findNode(uuid);
        if (!node || !fid) return false;
        var cc = this.cc;
        var uit = node.getComponent && cc ? node.getComponent(cc.UITransform) : null;
        try {
            if (fid === 'name') node.name = String(value);
            else if (fid === 'active') node.active = !!value;
            else if (fid === 'layer') node.layer = Number(value) || 0;
            else if (fid === 'px' || fid === 'py' || fid === 'pz') {
                var p = node.getPosition ? node.getPosition() : node.position;
                var x = fid === 'px' ? Number(value) : p.x;
                var y = fid === 'py' ? Number(value) : p.y;
                var z = fid === 'pz' ? Number(value) : p.z;
                if (typeof node.setPosition === 'function') node.setPosition(x, y, z);
                else if (cc && cc.Vec3) node.position = new cc.Vec3(x, y, z);
            } else if (fid === 'rx' || fid === 'ry' || fid === 'rz') {
                var e = node.eulerAngles || { x: 0, y: 0, z: 0 };
                var ex = fid === 'rx' ? Number(value) : e.x;
                var ey = fid === 'ry' ? Number(value) : e.y;
                var ez = fid === 'rz' ? Number(value) : e.z;
                if (typeof node.setRotationFromEuler === 'function') node.setRotationFromEuler(ex, ey, ez);
                else if (cc && cc.Vec3) node.eulerAngles = new cc.Vec3(ex, ey, ez);
            } else if (fid === 'sx' || fid === 'sy' || fid === 'sz') {
                var sc = node.getScale ? node.getScale() : node.scale;
                var sx = fid === 'sx' ? Number(value) : sc.x;
                var sy = fid === 'sy' ? Number(value) : sc.y;
                var sz = fid === 'sz' ? Number(value) : sc.z;
                if (typeof node.setScale === 'function') node.setScale(sx, sy, sz);
                else if (cc && cc.Vec3) node.scale = new cc.Vec3(sx, sy, sz);
            } else if (uit && (fid === 'uiw' || fid === 'uih' || fid === 'uax' || fid === 'uay')) {
                if (fid === 'uiw') uit.width = Number(value);
                if (fid === 'uih') uit.height = Number(value);
                if (fid === 'uax') uit.anchorX = Number(value);
                if (fid === 'uay') uit.anchorY = Number(value);
            } else if (fid.indexOf('c') === 0 && fid.indexOf('_') > 0) {
                var parts = fid.split('_');
                var ci = parseInt(parts[0].slice(1), 10);
                var key = parts.slice(1).join('_');
                if (node.components && node.components[ci]) node.components[ci][key] = value;
            }
            return true;
        } catch (e) {
            console.warn('[Agent] set prop', fid, e);
            return false;
        }
    };

    WorkbenchAgent.prototype._listAssets = function () {
        var cc = this.cc;
        if (!cc || !cc.assetManager) return { rows: [], bundles: [] };
        var rows = [];
        var bundleNames = [];
        try {
            if (cc.assetManager.bundles) {
                cc.assetManager.bundles.forEach(function (bundle, name) {
                    bundleNames.push(name || (bundle && bundle.name) || '');
                });
            }
            if (cc.assetManager.assets) {
                cc.assetManager.assets.forEach(function (asset, uuid) {
                    if (!asset) return;
                    var type = (asset.constructor && asset.constructor.name) || 'Other';
                    var mem = 0;
                    if (asset.width && asset.height) mem = (asset.width * asset.height * 4) / (1024 * 1024);
                    rows.push({
                        uuid: uuid,
                        name: asset.name || uuid,
                        type: type,
                        bundle: '',
                        mem: mem,
                        ref: asset.refCount != null ? asset.refCount : 0,
                    });
                });
            }
        } catch (e) {
            console.warn('[Agent] assets', e);
        }
        return { rows: rows, bundles: bundleNames };
    };

    WorkbenchAgent.prototype._setPickMode = function (mode) {
        this._pickMode = mode === 'inspect' ? 'inspect' : 'game';
        document.documentElement.classList.toggle('pw-inspect', this._pickMode === 'inspect');
        this._bindCanvasPick(this._isActive('pick'));
        return this._pickMode;
    };

    WorkbenchAgent.prototype._bindCanvasPick = function (on) {
        var canvas = document.getElementById('GameCanvas');
        if (!canvas) return;
        canvas.removeEventListener('pointerdown', this._onPickDown, true);
        if (on && this._pickMode === 'inspect') {
            if (!this._onPickDown) {
                var self = this;
                this._onPickDown = function (ev) {
                    if (self._pickMode !== 'inspect') return;
                    ev.preventDefault();
                    ev.stopPropagation();
                    var uuid = self._hitTest(ev.clientX, ev.clientY);
                    self._selectNode(uuid);
                    if (self._isActive('inspector') || self._isActive('hierarchy')) {
                        self._post({ type: 'event', name: 'hier.diff', data: self._getHierTree() });
                    }
                };
            }
            canvas.addEventListener('pointerdown', this._onPickDown, true);
        }
    };

    WorkbenchAgent.prototype._hitTest = function (clientX, clientY) {
        var cc = this.cc;
        var canvas = document.getElementById('GameCanvas');
        if (!cc || !canvas) return '';
        var scene = cc.director.getScene();
        if (!scene) return '';
        var stack = [];
        walk(scene, function (n) { stack.push(n); });
        for (var i = stack.length - 1; i >= 0; i--) {
            var node = stack[i];
            if (!node || !node.activeInHierarchy) continue;
            var uit = node.getComponent && node.getComponent(cc.UITransform);
            if (!uit) continue;
            var box = this._nodeClientRect(node);
            if (!box) continue;
            if (clientX >= box.left && clientX <= box.right && clientY >= box.top && clientY <= box.bottom) {
                return nodeId(node);
            }
        }
        return '';
    };

    WorkbenchAgent.prototype._ensureOverlay = function () {
        var el = document.getElementById('pw-pick-overlay');
        if (!el) {
            el = document.createElement('div');
            el.id = 'pw-pick-overlay';
            el.className = 'pw-pick-overlay';
            el.hidden = true;
            document.body.appendChild(el);
        }
        this._overlay = el;
    };

    WorkbenchAgent.prototype._nodeClientRect = function (node) {
        var cc = this.cc;
        var canvas = document.getElementById('GameCanvas');
        if (!cc || !canvas || !node || !node.isValid) return null;
        var uit = node.getComponent && node.getComponent(cc.UITransform);
        if (!uit || typeof uit.getBoundingBoxToWorld !== 'function') return null;
        var box = uit.getBoundingBoxToWorld();
        if (!box) return null;
        var canvasRect = canvas.getBoundingClientRect();
        var vs = cc.view && cc.view.getVisibleSize ? cc.view.getVisibleSize() : { width: canvasRect.width, height: canvasRect.height };
        var vw = Math.max(1, vs.width);
        var vh = Math.max(1, vs.height);
        var corners = [
            { x: box.x, y: box.y },
            { x: box.x + box.width, y: box.y },
            { x: box.x + box.width, y: box.y + box.height },
            { x: box.x, y: box.y + box.height },
        ];
        var xs = [];
        var ys = [];
        for (var i = 0; i < 4; i++) {
            xs.push(canvasRect.left + (corners[i].x / vw + 0.5) * canvasRect.width);
            ys.push(canvasRect.top + (0.5 - corners[i].y / vh) * canvasRect.height);
        }
        var left = Math.min.apply(null, xs);
        var right = Math.max.apply(null, xs);
        var top = Math.min.apply(null, ys);
        var bottom = Math.max.apply(null, ys);
        return { left: left, top: top, right: right, bottom: bottom, width: Math.max(2, right - left), height: Math.max(2, bottom - top) };
    };

    WorkbenchAgent.prototype._updateOverlay = function () {
        var node = this._findNode(this._selectedUuid);
        var overlay = this._overlay;
        if (!overlay) return;
        if (!node) {
            overlay.hidden = true;
            return;
        }
        var box = this._nodeClientRect(node);
        if (!box) {
            overlay.hidden = true;
            return;
        }
        overlay.hidden = false;
        overlay.style.position = 'fixed';
        overlay.style.left = box.left + 'px';
        overlay.style.top = box.top + 'px';
        overlay.style.width = box.width + 'px';
        overlay.style.height = box.height + 'px';
    };

    WorkbenchAgent.prototype._getOverlayRect = function () {
        var overlay = this._overlay;
        if (!overlay || overlay.hidden) return null;
        return {
            left: parseFloat(overlay.style.left) || 0,
            top: parseFloat(overlay.style.top) || 0,
            width: parseFloat(overlay.style.width) || 0,
            height: parseFloat(overlay.style.height) || 0,
        };
    };

    WorkbenchAgent.prototype._hookConsole = function (on) {
        var self = this;
        if (on) {
            if (this._consoleOrig) return;
            this._consoleOrig = {
                log: console.log.bind(console),
                info: console.info.bind(console),
                warn: console.warn.bind(console),
                error: console.error.bind(console),
                debug: console.debug.bind(console),
            };
            var wrap = function (level, fn) {
                return function () {
                    var args = Array.prototype.slice.call(arguments);
                    self._pushConsole(level, args);
                    return fn.apply(console, args);
                };
            };
            console.log = wrap('log', this._consoleOrig.log);
            console.info = wrap('info', this._consoleOrig.info);
            console.warn = wrap('warn', this._consoleOrig.warn);
            console.error = wrap('error', this._consoleOrig.error);
            console.debug = wrap('debug', this._consoleOrig.debug);
        } else if (this._consoleOrig) {
            console.log = this._consoleOrig.log;
            console.info = this._consoleOrig.info;
            console.warn = this._consoleOrig.warn;
            console.error = this._consoleOrig.error;
            console.debug = this._consoleOrig.debug;
            this._consoleOrig = null;
            if (this._consoleFlushTimer) {
                clearTimeout(this._consoleFlushTimer);
                this._consoleFlushTimer = 0;
            }
            this._flushConsole();
        }
    };

    WorkbenchAgent.prototype._pushConsole = function (level, args) {
        var entry = this._serializeConsoleArgs(level, args);
        this._consoleBuf.push(entry);
        if (this._consoleBuf.length > 200) this._consoleBuf.splice(0, this._consoleBuf.length - 200);
        var self = this;
        if (!this._consoleFlushTimer) {
            this._consoleFlushTimer = setTimeout(function () {
                self._consoleFlushTimer = 0;
                self._flushConsole();
            }, CONSOLE_FLUSH_MS);
        }
    };

    WorkbenchAgent.prototype._flushConsole = function () {
        if (!this._consoleBuf.length) return;
        var batch = this._consoleBuf.splice(0, this._consoleBuf.length);
        this._post({ type: 'event', name: 'console.batch', data: { items: batch } });
    };

    /**
     * 将 console 参数序列化为可 postMessage 的富结构（保留 %c/%s 等，对象可展开）。
     * 原始 console.* 仍会调用，浏览器 DevTools 打印不受影响。
     */
    WorkbenchAgent.prototype._serializeConsoleArgs = function (level, args) {
        var parts = [];
        var plain = '';
        var FMT_RE = /%(?:%|[csdifoO])/;
        if (args.length && typeof args[0] === 'string' && FMT_RE.test(args[0])) {
            var formatted = this._formatConsole(args);
            parts = formatted.parts;
            plain = formatted.plain;
            for (var r = 0; r < formatted.rest.length; r++) {
                var rp = this._valuePart(formatted.rest[r]);
                parts.push(rp);
                plain += (plain ? ' ' : '') + (rp.plain || '');
            }
        } else {
            for (var i = 0; i < args.length; i++) {
                var p = this._valuePart(args[i], i === 0 && typeof args[i] === 'string');
                parts.push(p);
                plain += (i ? ' ' : '') + (p.plain || '');
            }
        }
        return {
            id: 'c' + Date.now() + '_' + Math.random().toString(36).slice(2, 7),
            level: level,
            t: Date.now(),
            parts: parts,
            plain: plain,
        };
    };

    WorkbenchAgent.prototype._formatConsole = function (args) {
        var fmt = args[0];
        var ai = 1;
        var parts = [];
        var plain = '';
        var style = '';
        var i = 0;
        while (i < fmt.length) {
            if (fmt.charAt(i) === '%' && i + 1 < fmt.length) {
                var spec = fmt.charAt(i + 1);
                if (spec === '%') {
                    parts.push({ kind: 'styled', text: '%', css: style });
                    plain += '%';
                    i += 2;
                    continue;
                }
                if (spec === 'c') {
                    style = typeof args[ai] === 'string' ? args[ai] : '';
                    ai++;
                    i += 2;
                    continue;
                }
                var val = ai < args.length ? args[ai] : undefined;
                ai++;
                var text = '';
                if (spec === 's') text = val == null ? 'null' : String(val);
                else if (spec === 'd' || spec === 'i') text = String(parseInt(val, 10) || 0);
                else if (spec === 'f') text = String(Number(val));
                else if (spec === 'o' || spec === 'O') {
                    var vp = this._valuePart(val);
                    parts.push(vp);
                    plain += vp.plain || '';
                    i += 2;
                    continue;
                } else {
                    text = '%' + spec;
                }
                parts.push({ kind: 'styled', text: text, css: style });
                plain += text;
                i += 2;
                continue;
            }
            var start = i;
            while (i < fmt.length && fmt.charAt(i) !== '%') i++;
            var lit = fmt.slice(start, i);
            if (lit) {
                parts.push({ kind: 'styled', text: lit, css: style });
                plain += lit;
            }
        }
        return { parts: parts, plain: plain, rest: args.slice(ai) };
    };

    WorkbenchAgent.prototype._valuePart = function (value, bareString) {
        if (value === null) return { kind: 'null', plain: 'null' };
        var t = typeof value;
        if (t === 'undefined') return { kind: 'undefined', plain: 'undefined' };
        if (t === 'string') {
            return bareString
                ? { kind: 'text', text: value, plain: value }
                : { kind: 'string', text: value, plain: '"' + value + '"' };
        }
        if (t === 'number' || t === 'boolean' || t === 'bigint') {
            return { kind: t, value: t === 'bigint' ? String(value) : value, plain: String(value) };
        }
        if (t === 'symbol') return { kind: 'symbol', text: String(value), plain: String(value) };
        if (t === 'function') {
            var fname = value.name || 'anonymous';
            return { kind: 'function', name: fname, plain: 'ƒ ' + fname + '()' };
        }
        if (value instanceof Error) {
            return {
                kind: 'error',
                name: value.name || 'Error',
                message: value.message || '',
                stack: value.stack || '',
                plain: (value.name || 'Error') + ': ' + (value.message || ''),
            };
        }
        var oid = 'o' + (this._consoleObjSeq++);
        this._consoleObjs[oid] = value;
        var isArray = Array.isArray(value);
        var ctor = (value && value.constructor && value.constructor.name) || (isArray ? 'Array' : 'Object');
        var preview = isArray ? ('Array(' + value.length + ')') : ctor;
        try {
            if (isArray) {
                var bits = [];
                for (var i = 0; i < Math.min(value.length, 5); i++) bits.push(briefVal(value[i]));
                if (value.length > 5) bits.push('…');
                preview += ' [' + bits.join(', ') + ']';
            } else {
                var keys = Object.keys(value);
                var bits2 = [];
                for (var j = 0; j < Math.min(keys.length, 4); j++) {
                    bits2.push(keys[j] + ': ' + briefVal(value[keys[j]]));
                }
                if (keys.length > 4) bits2.push('…');
                preview += ' {' + bits2.join(', ') + '}';
            }
        } catch (e) { /* */ }
        return {
            kind: 'object',
            oid: oid,
            ctor: ctor,
            isArray: isArray,
            length: isArray ? value.length : undefined,
            preview: preview,
            plain: preview,
        };
    };

    WorkbenchAgent.prototype._inspectConsoleObj = function (oid, path) {
        var root = this._consoleObjs[oid];
        if (!root) return { props: [] };
        var target = root;
        var segs = String(path || '').split('.').filter(Boolean);
        for (var i = 0; i < segs.length; i++) {
            try { target = target[segs[i]]; } catch (e) { return { props: [] }; }
        }
        var props = [];
        var MAX = 40;
        try {
            if (Array.isArray(target)) {
                for (var a = 0; a < Math.min(target.length, MAX); a++) {
                    props.push({ key: String(a), part: this._valuePart(target[a]) });
                }
                if (target.length > MAX) props.push({ key: '…', part: { kind: 'text', text: '…', plain: '…' } });
            } else if (target && typeof target === 'object') {
                var keys = Object.getOwnPropertyNames(target);
                for (var k = 0; k < Math.min(keys.length, MAX); k++) {
                    var key = keys[k];
                    var child;
                    try { child = target[key]; } catch (err) { child = '⟨access error⟩'; }
                    props.push({ key: key, part: this._valuePart(child) });
                }
                if (keys.length > MAX) props.push({ key: '…', part: { kind: 'text', text: '…', plain: '…' } });
            }
        } catch (e2) { /* */ }
        return { props: props };
    };

    function briefVal(v) {
        if (v === null) return 'null';
        var t = typeof v;
        if (t === 'string') return '"' + (v.length > 24 ? v.slice(0, 24) + '…' : v) + '"';
        if (t === 'number' || t === 'boolean' || t === 'undefined') return String(v);
        if (t === 'function') return 'ƒ';
        if (Array.isArray(v)) return 'Array(' + v.length + ')';
        if (t === 'object') return '{…}';
        return String(v);
    }

    WorkbenchAgent.prototype._setPaused = function (paused) {
        var cc = this.cc;
        if (!cc || !cc.director) return false;
        this._paused = !!paused;
        try {
            if (this._paused) cc.director.pause();
            else cc.director.resume();
        } catch (e) {
            return false;
        }
        return true;
    };

    WorkbenchAgent.prototype._stepFrame = function () {
        var cc = this.cc;
        if (!cc) return false;
        try {
            if (!this._paused && cc.director) {
                cc.director.pause();
                this._paused = true;
            }
            if (cc.game && typeof cc.game.step === 'function') {
                cc.game.step();
                return true;
            }
            if (cc.director && typeof cc.director.tick === 'function') {
                var fps = (cc.game && cc.game.frameRate) ? cc.game.frameRate : 60;
                cc.director.tick(1 / Math.max(1, fps));
                return true;
            }
        } catch (e) {
            console.warn('[Agent] step', e);
        }
        return false;
    };

    WorkbenchAgent.prototype._setFps = function (on) {
        var cc = this.cc;
        this._fpsOn = !!on;
        if (!cc || !cc.profiler) return false;
        try {
            if (this._fpsOn) cc.profiler.showStats();
            else cc.profiler.hideStats();
            return true;
        } catch (e) {
            return false;
        }
    };

    function nodeId(n) {
        return String(n.uuid || n._id || n.name || '');
    }

    function walk(node, fn) {
        if (!node) return;
        fn(node);
        var ch = node.children;
        if (!ch) return;
        for (var i = 0; i < ch.length; i++) walk(ch[i], fn);
    }

    function serializeNode(node, depth, maxDepth) {
        if (!node || depth > maxDepth) return null;
        var children = [];
        var ch = node.children || [];
        for (var i = 0; i < ch.length; i++) {
            var c = serializeNode(ch[i], depth + 1, maxDepth);
            if (c) children.push(c);
        }
        var comps = [];
        if (node.components) {
            for (var j = 0; j < node.components.length; j++) {
                var comp = node.components[j];
                if (comp && comp.constructor) comps.push(comp.constructor.name || '');
            }
        }
        return {
            uuid: nodeId(node),
            name: node.name || '(未命名)',
            active: node.active !== false,
            comps: comps,
            children: children,
        };
    }

    function copySeries(series) {
        var out = {};
        for (var k in series) {
            if (Object.prototype.hasOwnProperty.call(series, k)) out[k] = series[k].slice();
        }
        return out;
    }

    function hierFingerprint(node) {
        if (!node) return '';
        var parts = [node.uuid, node.name, node.active ? 1 : 0, (node.comps || []).length];
        var ch = node.children || [];
        parts.push(ch.length);
        for (var i = 0; i < ch.length; i++) parts.push(hierFingerprint(ch[i]));
        return parts.join('/');
    }

    global.PWAgent = WorkbenchAgent;

    function startAgent() {
        if (global.__PW_MODE && global.__PW_MODE !== 'game') return;
        var agent = new WorkbenchAgent();
        agent.boot();
        global.__PW_Agent = agent;
    }

    if (document.readyState === 'loading') {
        document.addEventListener('DOMContentLoaded', startAgent);
    } else {
        startAgent();
    }
})(window);