feat(randomizer): add mode change listener to update downstream trigger words

Add LoraRandomizer extension that monitors node mode changes and triggers
updates to connected downstream trigger word toggle nodes, matching the
behavior implemented for Lora Stacker nodes.

web/comfyui/lora_randomizer.js

@@ -0,0 +1,40 @@
+import { app } from "../../scripts/app.js";
+import {
+  getActiveLorasFromNode,
+  updateDownstreamLoaders,
+  chainCallback,
+} from "./utils.js";
+
+app.registerExtension({
+  name: "LoraManager.LoraRandomizer",
+
+  async beforeRegisterNodeDef(nodeType, nodeData, app) {
+    if (nodeType.comfyClass === "Lora Randomizer (LoraManager)") {
+      chainCallback(nodeType.prototype, "onNodeCreated", async function () {
+        this.serialize_widgets = true;
+
+        let _mode = this.mode;
+        const self = this;
+        Object.defineProperty(this, 'mode', {
+          get() {
+            return _mode;
+          },
+          set(value) {
+            const oldValue = _mode;
+            _mode = value;
+
+            if (self.onModeChange) {
+              self.onModeChange(value, oldValue);
+            }
+          }
+        });
+
+        this.onModeChange = function(newMode, oldMode) {
+          const isNodeActive = newMode === 0 || newMode === 3;
+          const activeLoraNames = isNodeActive ? getActiveLorasFromNode(self) : new Set();
+          updateDownstreamLoaders(self);
+        };
+      });
+    }
+  },
+});

web/comfyui/lora_stacker.js

@@ -146,6 +146,13 @@ app.registerExtension({
             isUpdating = false;
           }
         };
+
+        // Setup input widget with autocomplete
+        inputWidget.callback = setupInputWidgetWithAutocomplete(
+          this,
+          inputWidget,
+          originalCallback
+        );
       });
     }
   },