diff --git a/web/pool_profile.js b/web/pool_profile.js
new file mode 100644
index 0000000..91784a4
--- /dev/null
+++ b/web/pool_profile.js
@@ -0,0 +1,230 @@
+import { app } from "../../scripts/app.js";
+import { api } from "../../scripts/api.js";
+
+// Pool Profile — companion to the Image Pool. A dropdown of named profiles
+// (registry under input/grid_pool/profiles.json) plus create/rename/delete/
+// duplicate/export/import actions. Selecting a profile propagates its id into
+// any connected Image Pool node's pool_id widget and refreshes that grid, so the
+// pool's images switch live at edit time. (Modeled on JSON-Manager/project_key.)
+
+const NODE = "PoolProfile";
+const POOL_NODE = "GridImagePool";
+const R = "/grid_pool/profiles";
+
+// ---- server calls -----------------------------------------------------------
+
+async function listProfiles() {
+  const r = await api.fetchApi(`${R}/list`);
+  return (await r.json()).profiles || [];
+}
+
+async function postJson(path, body) {
+  const r = await api.fetchApi(`${R}/${path}`, {
+    method: "POST",
+    headers: { "Content-Type": "application/json" },
+    body: JSON.stringify(body),
+  });
+  if (!r.ok) throw new Error(await r.text());
+  return await r.json();
+}
+
+// ---- widget helpers ---------------------------------------------------------
+
+function hideWidget(w) {
+  if (!w) return;
+  if (w.origType === undefined) w.origType = w.type;
+  w.type = "hidden";
+  w.hidden = true;
+  w.computeSize = () => [0, -4];
+}
+
+function profileWidget(node) {
+  return node.widgets?.find((w) => w.name === "profile");
+}
+
+function idWidget(node) {
+  return node.widgets?.find((w) => w.name === "profile_id");
+}
+
+function currentEntry(node) {
+  const combo = profileWidget(node);
+  return (node._profiles || []).find((p) => p.name === combo?.value);
+}
+
+// Replace a STRING widget with a real combo, preserving its serialized value.
+function replaceWithCombo(node, name, values, callback) {
+  const idx = node.widgets?.findIndex((w) => w.name === name);
+  if (idx === undefined || idx === -1) return null;
+  const old = node.widgets[idx];
+  const saved = old.value || "";
+  const vals = values.length ? values.slice() : [""];
+  if (saved && !vals.includes(saved)) vals.unshift(saved);
+  node.widgets.splice(idx, 1);
+  const combo = node.addWidget("combo", name, saved || vals[0], callback, { values: vals });
+  // move from the end back to the original slot
+  node.widgets.splice(node.widgets.length - 1, 1);
+  node.widgets.splice(idx, 0, combo);
+  return combo;
+}
+
+// ---- propagation ------------------------------------------------------------
+
+// Push the selected profile id into every connected Image Pool node's pool_id
+// widget (the grid keys off getPoolId), then refresh that grid.
+function propagate(node) {
+  const id = idWidget(node)?.value || "default";
+  const out = node.outputs?.[0];
+  if (!out?.links) return;
+  for (const linkId of out.links) {
+    const link = node.graph?.links?.[linkId];
+    if (!link) continue;
+    const target = node.graph?.getNodeById?.(link.target_id);
+    if (!target || target.type !== POOL_NODE) continue;
+    const pw = target.widgets?.find((w) => w.name === "pool_id");
+    if (pw) pw.value = id;
+    target._datasetePoolRefresh?.();
+    target.setDirtyCanvas?.(true, true);
+  }
+}
+
+function applySelection(node) {
+  const entry = currentEntry(node);
+  const idw = idWidget(node);
+  if (idw) idw.value = entry?.id || "";
+  propagate(node);
+  node.setDirtyCanvas?.(true, true);
+}
+
+async function refreshList(node, selectName) {
+  const profs = await listProfiles();
+  node._profiles = profs;
+  const names = profs.map((p) => p.name);
+  const combo = profileWidget(node);
+  if (combo) {
+    combo.options = combo.options || {};
+    combo.options.values = names.length ? names : [""];
+    if (selectName !== undefined) combo.value = selectName;
+    else if (!names.includes(combo.value)) combo.value = names[0] || "";
+    applySelection(node);
+  }
+}
+
+// ---- actions ----------------------------------------------------------------
+
+async function actionCreate(node) {
+  const name = prompt("New profile name:");
+  if (!name) return;
+  try {
+    const e = await postJson("create", { name });
+    await refreshList(node, e.name);
+  } catch (err) { alert("Create failed: " + err); }
+}
+
+async function actionRename(node) {
+  const e = currentEntry(node);
+  if (!e) return alert("Select a profile first");
+  const name = prompt("Rename profile:", e.name);
+  if (!name || name === e.name) return;
+  try {
+    await postJson("rename", { id: e.id, name });
+    await refreshList(node, name);
+  } catch (err) { alert("Rename failed: " + err); }
+}
+
+async function actionDuplicate(node) {
+  const e = currentEntry(node);
+  if (!e) return alert("Select a profile first");
+  const name = prompt("Duplicate as:", e.name + " copy");
+  if (!name) return;
+  try {
+    const ne = await postJson("duplicate", { id: e.id, name });
+    await refreshList(node, ne.name);
+  } catch (err) { alert("Duplicate failed: " + err); }
+}
+
+async function actionDelete(node) {
+  const e = currentEntry(node);
+  if (!e) return alert("Select a profile first");
+  if (!confirm(`Delete profile "${e.name}"? This removes its images.`)) return;
+  try {
+    await postJson("delete", { id: e.id });
+    await refreshList(node);
+  } catch (err) { alert("Delete failed: " + err); }
+}
+
+function actionExport(node) {
+  const e = currentEntry(node);
+  if (!e) return alert("Select a profile first");
+  window.open(`${R}/export?id=${encodeURIComponent(e.id)}`);
+}
+
+function actionImport(node) {
+  const input = document.createElement("input");
+  input.type = "file";
+  input.accept = ".zip";
+  input.onchange = async () => {
+    if (!input.files?.length) return;
+    const fd = new FormData();
+    fd.append("file", input.files[0], input.files[0].name);
+    try {
+      const r = await api.fetchApi(`${R}/import`, { method: "POST", body: fd });
+      if (!r.ok) throw new Error(await r.text());
+      const e = await r.json();
+      await refreshList(node, e.name);
+    } catch (err) { alert("Import failed: " + err); }
+  };
+  input.click();
+}
+
+// ---- node setup -------------------------------------------------------------
+
+function setupProfileNode(node) {
+  hideWidget(idWidget(node));
+  replaceWithCombo(node, "profile", [], () => applySelection(node));
+
+  node.addWidget("button", "➕ Create", null, () => actionCreate(node));
+  node.addWidget("button", "✎ Rename", null, () => actionRename(node));
+  node.addWidget("button", "⧉ Duplicate", null, () => actionDuplicate(node));
+  node.addWidget("button", "🗑 Delete", null, () => actionDelete(node));
+  node.addWidget("button", "⬇ Export", null, () => actionExport(node));
+  node.addWidget("button", "⬆ Import", null, () => actionImport(node));
+
+  node.setSize(node.computeSize());
+  refreshList(node);   // async: populate the dropdown
+}
+
+app.registerExtension({
+  name: "datasete.gates.poolprofile",
+
+  async beforeRegisterNodeDef(nodeType, nodeData) {
+    if (nodeData.name !== NODE) return;
+
+    const onNodeCreated = nodeType.prototype.onNodeCreated;
+    nodeType.prototype.onNodeCreated = function () {
+      const r = onNodeCreated?.apply(this, arguments);
+      setupProfileNode(this);
+      return r;
+    };
+
+    // loaded workflows restore the combo + profile_id after create — re-list and
+    // re-propagate the saved id once the graph is ready.
+    const onConfigure = nodeType.prototype.onConfigure;
+    nodeType.prototype.onConfigure = function () {
+      const r = onConfigure?.apply(this, arguments);
+      const node = this;
+      queueMicrotask(() => {
+        propagate(node);   // propagate saved id immediately
+        refreshList(node, profileWidget(node)?.value);
+      });
+      return r;
+    };
+
+    // when our output gets connected to a pool, propagate right away
+    const onConnectionsChange = nodeType.prototype.onConnectionsChange;
+    nodeType.prototype.onConnectionsChange = function () {
+      const r = onConnectionsChange?.apply(this, arguments);
+      propagate(this);
+      return r;
+    };
+  },
+});