diff --git a/web/image_gate.js b/web/image_gate.js
new file mode 100644
index 0000000..b30ea8c
--- /dev/null
+++ b/web/image_gate.js
@@ -0,0 +1,397 @@
+import { app } from "../../scripts/app.js";
+import { api } from "../../scripts/api.js";
+
+// Image Gate (Manual Router) — pauses a running prompt, shows the image with N
+// labeled route buttons + an Edit-mask + a Stop button, and routes the image down
+// the clicked output (others ExecutionBlocker-ed server-side). The Python node
+// blocks in run() on GateBus.wait(); this extension renders the preview that the
+// server pushes via the "datasete-gate-show" socket event and POSTs the choice.
+
+const NODE = "ImageGate";
+const MAX_ROUTES = 10;
+const R = "/datasete_gate";
+
+const PREVIEW_IMG_H = 240;   // fixed image area (object-fit:contain)
+const BTN_ROW_H = 64;        // buttons area (route buttons wrap + mask/stop)
+const MARGIN = 10;           // ComfyUI DOM-widget inset, matches the pool node
+
+// ---- routes widget + label store -------------------------------------------
+
+function routesWidget(node) {
+  return node.widgets?.find((w) => w.name === "routes");
+}
+
+function getRouteCount(node) {
+  let n = parseInt(routesWidget(node)?.value ?? 2, 10);
+  if (isNaN(n)) n = 2;
+  return Math.max(1, Math.min(MAX_ROUTES, n));
+}
+
+// Labels live in node.properties (litegraph serializes properties for free, so
+// they survive reload without a fake serializing widget — route_labels is not a
+// backend input, so we must NOT push it into widgets_values).
+function labelStore(node) {
+  if (!Array.isArray(node.properties.routeLabels)) node.properties.routeLabels = [];
+  return node.properties.routeLabels;
+}
+
+function labelFor(node, route) {     // route is 1-based
+  const v = labelStore(node)[route - 1];
+  return (v != null && String(v).trim()) || String(route);
+}
+
+function setRouteLabel(node, route, text) {
+  labelStore(node)[route - 1] = text;
+  applyOutputLabels(node);
+  if (node._gateActive) renderButtons(node);   // live-update visible buttons
+  node.setDirtyCanvas?.(true, true);
+}
+
+// ---- dynamic route outputs --------------------------------------------------
+// Slot 0 is the always-visible `mask` output; slots 1..N are route_1..route_N.
+// We only ever add/remove from the TAIL so existing slot indices (and the
+// backend's index→RETURN_TYPES mapping) stay stable and connections are kept.
+
+function applyOutputLabels(node) {
+  for (let i = 1; i < node.outputs.length; i++) {
+    node.outputs[i].label = labelFor(node, i);
+  }
+}
+
+function applyRouteCount(node, n) {
+  if (!node.outputs || node.outputs.length === 0) return;
+  let cur = node.outputs.length - 1;           // current route outputs
+  while (cur < n) { node.addOutput(`route_${cur + 1}`, "IMAGE"); cur++; }
+  while (cur > n) { node.removeOutput(node.outputs.length - 1); cur--; }
+  applyOutputLabels(node);
+  node.setDirtyCanvas?.(true, true);
+}
+
+// ---- server calls -----------------------------------------------------------
+
+async function postChoice(node, message) {
+  const fd = new FormData();
+  fd.append("id", String(node.id));
+  fd.append("message", String(message));
+  await api.fetchApi(`${R}/choice`, { method: "POST", body: fd });
+}
+
+async function postMask(node, blob) {
+  const fd = new FormData();
+  fd.append("id", String(node.id));
+  fd.append("mask", blob, "mask.png");
+  await api.fetchApi(`${R}/mask`, { method: "POST", body: fd });
+}
+
+// ---- preview DOM widget -----------------------------------------------------
+
+function previewHeight(node) {
+  return node._gateActive ? 2 * MARGIN + PREVIEW_IMG_H + BTN_ROW_H : 0;
+}
+
+function resizePreview(node) {
+  if (node._previewWidget) node._previewWidget.computedHeight = previewHeight(node);
+  const w = node.size?.[0] || 220;
+  node.setSize([w, node.computeSize()[1]]);
+  node.setDirtyCanvas(true, true);
+}
+
+function renderButtons(node) {
+  const { btns } = node._gate;
+  btns.innerHTML = "";
+  const routes = node._gateRoutes || getRouteCount(node);
+  for (let i = 1; i <= routes; i++) {
+    const b = document.createElement("button");
+    b.className = "dgate-route";
+    b.textContent = labelFor(node, i);
+    b.onclick = async () => { await postChoice(node, i); hidePreview(node); };
+    btns.appendChild(b);
+  }
+  const edit = document.createElement("button");
+  edit.className = "dgate-edit";
+  edit.textContent = "🖌 Edit mask";
+  edit.onclick = () => openMaskEditor(node);
+  btns.appendChild(edit);
+
+  const stop = document.createElement("button");
+  stop.className = "dgate-stop";
+  stop.textContent = "■ Stop";
+  stop.onclick = async () => { await postChoice(node, "__cancel__"); hidePreview(node); };
+  btns.appendChild(stop);
+}
+
+function showPreview(node, b64, routes) {
+  node._gateActive = true;
+  node._gateRoutes = Math.max(1, Math.min(MAX_ROUTES, parseInt(routes, 10) || getRouteCount(node)));
+  node._previewB64 = b64;
+  node._gate.img.src = `data:image/png;base64,${b64}`;
+  renderButtons(node);
+  resizePreview(node);
+}
+
+function hidePreview(node) {
+  node._gateActive = false;
+  node._previewB64 = null;
+  if (node._gate) {
+    node._gate.img.removeAttribute("src");
+    node._gate.btns.innerHTML = "";
+  }
+  resizePreview(node);
+}
+
+// ---- mask editor (reuses ComfyUI MaskEditor, like the pool node) ------------
+// The preview arrives as base64 (no server file), so upload it to input/ first,
+// point the MaskEditor at it, then poll node.images for the saved clipspace ref.
+
+function b64ToBlob(b64, type) {
+  const bin = atob(b64);
+  const arr = new Uint8Array(bin.length);
+  for (let i = 0; i < bin.length; i++) arr[i] = bin.charCodeAt(i);
+  return new Blob([arr], { type });
+}
+
+function blobToImage(blob) {
+  return new Promise((resolve, reject) => {
+    const img = new Image();
+    img.onload = () => resolve(img);
+    img.onerror = reject;
+    img.src = URL.createObjectURL(blob);
+  });
+}
+
+function comfyAppClass() {
+  try { return app.constructor; } catch (e) { return null; }
+}
+
+// MaskEditor registers the painted image as this node's output; clear those
+// stores so nothing repopulates node.imgs (we draw our own preview).
+function clearNodeOutputs(node) {
+  try {
+    for (const map of [app.nodeOutputs, app.nodePreviewImages]) {
+      if (!map) continue;
+      for (const k of Object.keys(map)) {
+        if (k === String(node.id) || k.endsWith(`:${node.id}`)) delete map[k];
+      }
+    }
+  } catch (e) { /* best effort */ }
+}
+
+function cleanupMaskState(node) {
+  if (node._maskPoll) { clearInterval(node._maskPoll); node._maskPoll = null; }
+  node._maskActive = false;
+  try {
+    node.images = undefined;
+    node.previewMediaType = undefined;
+  } catch (e) { /* best effort */ }
+  clearNodeOutputs(node);
+  node.setDirtyCanvas?.(true, true);
+}
+
+async function uploadPreview(node) {
+  const blob = b64ToBlob(node._previewB64, "image/png");
+  const fd = new FormData();
+  fd.append("image", blob, `gate_${node.id}.png`);
+  fd.append("subfolder", "datasete_gate");
+  fd.append("type", "input");
+  fd.append("overwrite", "true");
+  const res = await api.fetchApi("/upload/image", { method: "POST", body: fd });
+  const j = await res.json();
+  return { filename: j.name, subfolder: j.subfolder || "datasete_gate", type: j.type || "input" };
+}
+
+async function captureMask(node, ref) {
+  try {
+    const sub = ref.subfolder ?? "clipspace";
+    const type = ref.type ?? "input";
+    const url = `/view?filename=${encodeURIComponent(ref.filename)}&subfolder=${encodeURIComponent(sub)}&type=${encodeURIComponent(type)}&r=${Date.now()}`;
+    const resp = await api.fetchApi(url);
+    const blob = await resp.blob();
+    const img = await blobToImage(blob);
+    const c = document.createElement("canvas");
+    c.width = img.naturalWidth || img.width;
+    c.height = img.naturalHeight || img.height;
+    const ctx = c.getContext("2d");
+    ctx.drawImage(img, 0, 0);
+    const d = ctx.getImageData(0, 0, c.width, c.height);
+    const px = d.data;
+    // MaskEditor stores the mask in the ALPHA channel; painted areas come through
+    // as alpha 0, so invert (255 - a) into grayscale -> white = painted (MASK).
+    for (let i = 0; i < px.length; i += 4) {
+      const a = px[i + 3];
+      px[i] = px[i + 1] = px[i + 2] = 255 - a;
+      px[i + 3] = 255;
+    }
+    ctx.putImageData(d, 0, 0);
+    const maskBlob = await new Promise((res) => c.toBlob(res, "image/png"));
+    await postMask(node, maskBlob);
+  } catch (e) {
+    console.error("[dgate] mask capture failed", e);
+  } finally {
+    cleanupMaskState(node);
+  }
+}
+
+async function openMaskEditor(node) {
+  if (!node._previewB64) return;
+  cleanupMaskState(node);
+  let ref;
+  try {
+    ref = await uploadPreview(node);
+  } catch (e) {
+    console.error("[dgate] preview upload failed", e);
+    return;
+  }
+
+  node.images = [ref];
+  node.previewMediaType = "image";
+  node.imageIndex = 0;
+  node._maskActive = true;
+
+  const Comfy = comfyAppClass();
+  try { if (Comfy) Comfy.clipspace_return_node = node; } catch (e) { /* ignore */ }
+
+  // No save callback in frontend 1.45 — poll for the editor writing clipspace.
+  let waited = 0;
+  node._maskPoll = setInterval(() => {
+    waited += 300;
+    const r = node.images && node.images[0];
+    if (node._maskActive && r && r.subfolder === "clipspace") {
+      clearInterval(node._maskPoll); node._maskPoll = null;
+      captureMask(node, r);
+    } else if (waited > 10 * 60 * 1000) {
+      cleanupMaskState(node);
+    }
+  }, 300);
+
+  try { app.canvas?.selectNode?.(node); } catch (e) { /* ignore */ }
+  const cmd = app.extensionManager?.command;
+  if (cmd?.execute) {
+    cmd.execute("Comfy.MaskEditor.OpenMaskEditor");
+  } else if (Comfy?.open_maskeditor) {
+    Comfy.open_maskeditor();
+  } else {
+    console.error("[dgate] no MaskEditor entry point found");
+    cleanupMaskState(node);
+  }
+}
+
+// ---- styles + node setup ----------------------------------------------------
+
+function injectStyles() {
+  if (document.getElementById("dgate-styles")) return;
+  const css = `
+  .dgate-wrap { display:flex; flex-direction:column; gap:6px; box-sizing:border-box;
+                height:100%; min-height:0; }
+  .dgate-img { width:100%; height:${PREVIEW_IMG_H}px; object-fit:contain; display:block;
+               background:rgba(0,0,0,0.25); border-radius:4px; }
+  .dgate-btns { display:flex; flex-wrap:wrap; gap:6px; align-items:center; }
+  .dgate-btns button { font-size:12px; padding:3px 10px; cursor:pointer; border-radius:3px;
+                       border:1px solid #555; color:#fff; }
+  .dgate-route { background:rgba(40,90,140,0.9); }
+  .dgate-route:hover { background:rgba(60,120,180,0.95); }
+  .dgate-edit { background:rgba(40,40,40,0.9); margin-left:auto; }
+  .dgate-stop { background:rgba(160,40,40,0.9); }
+  `;
+  const style = document.createElement("style");
+  style.id = "dgate-styles";
+  style.textContent = css;
+  document.head.appendChild(style);
+}
+
+function setupGateNode(node) {
+  injectStyles();
+
+  // Never let the MaskEditor's source image render as an output preview on us —
+  // we draw the preview ourselves in the DOM widget below.
+  try {
+    Object.defineProperty(node, "imgs", {
+      configurable: true,
+      get() { return undefined; },
+      set() { /* suppress */ },
+    });
+  } catch (e) { /* ignore */ }
+
+  const wrap = document.createElement("div");
+  wrap.className = "dgate-wrap";
+  const img = document.createElement("img");
+  img.className = "dgate-img";
+  const btns = document.createElement("div");
+  btns.className = "dgate-btns";
+  wrap.appendChild(img);
+  wrap.appendChild(btns);
+  node._gate = { wrap, img, btns };
+
+  node._previewWidget = node.addDOMWidget("gate_preview", "div", wrap, {
+    serialize: false,
+    getMinHeight: () => previewHeight(node),
+  });
+
+  // sync visible route outputs to the routes widget, now and on change
+  applyRouteCount(node, getRouteCount(node));
+  const rw = routesWidget(node);
+  if (rw) {
+    const prev = rw.callback;
+    rw.callback = function () {
+      const r = prev?.apply(this, arguments);
+      applyRouteCount(node, getRouteCount(node));
+      return r;
+    };
+  }
+
+  node._gateActive = false;
+  resizePreview(node);
+}
+
+app.registerExtension({
+  name: "datasete.gates.imagegate",
+
+  // one global socket listener: route the server's pause event to the node
+  setup() {
+    api.addEventListener("datasete-gate-show", (e) => {
+      const d = e.detail || {};
+      const node = app.graph?.getNodeById?.(parseInt(d.id, 10));
+      if (!node || node.type !== NODE) return;
+      showPreview(node, d.image, d.routes);
+    });
+  },
+
+  async beforeRegisterNodeDef(nodeType, nodeData) {
+    if (nodeData.name !== NODE) return;
+
+    const onNodeCreated = nodeType.prototype.onNodeCreated;
+    nodeType.prototype.onNodeCreated = function () {
+      const r = onNodeCreated?.apply(this, arguments);
+      setupGateNode(this);
+      return r;
+    };
+
+    // loaded workflows restore the routes widget + properties after create —
+    // re-sync output count/labels to match.
+    const onConfigure = nodeType.prototype.onConfigure;
+    nodeType.prototype.onConfigure = function () {
+      const r = onConfigure?.apply(this, arguments);
+      if (this.outputs) {
+        applyRouteCount(this, getRouteCount(this));
+      }
+      return r;
+    };
+
+    // per-route "Rename…" entries (editable labels, persisted in properties)
+    const getExtraMenuOptions = nodeType.prototype.getExtraMenuOptions;
+    nodeType.prototype.getExtraMenuOptions = function (canvas, options) {
+      const r = getExtraMenuOptions?.apply(this, arguments);
+      const node = this;
+      const routes = getRouteCount(node);
+      for (let i = 1; i <= routes; i++) {
+        options.push({
+          content: `Rename route ${i} (“${labelFor(node, i)}”)…`,
+          callback: () => {
+            const text = prompt(`Label for route ${i}:`, labelFor(node, i));
+            if (text != null) setRouteLabel(node, i, text);
+          },
+        });
+      }
+      return r;
+    };
+  },
+});