Add custom nodes, Civitai loras (LFS), and vast.ai setup script

Includes 30 custom nodes committed directly, 7 Civitai-exclusive
loras stored via Git LFS, and a setup script that installs all
dependencies and downloads HuggingFace-hosted models on vast.ai.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

custom_nodes/comfyui-custom-scripts/web/js/stringFunction.js

@@ -0,0 +1,33 @@
+import { app } from "../../../scripts/app.js";
+import { ComfyWidgets } from "../../../scripts/widgets.js";
+
+// Displays input text on a node
+
+app.registerExtension({
+	name: "pysssss.StringFunction",
+	async beforeRegisterNodeDef(nodeType, nodeData, app) {
+		if (nodeData.name === "StringFunction|pysssss") {
+			const onExecuted = nodeType.prototype.onExecuted;
+			nodeType.prototype.onExecuted = function (message) {
+				onExecuted?.apply(this, arguments);
+
+				if (this.widgets) {
+					const pos = this.widgets.findIndex((w) => w.name === "result");
+					if (pos !== -1) {
+						for (let i = pos; i < this.widgets.length; i++) {
+							this.widgets[i].onRemove?.();
+						}
+						this.widgets.length = pos;
+					}
+				}
+
+				const w = ComfyWidgets["STRING"](this, "result", ["STRING", { multiline: true }], app).widget;
+				w.inputEl.readOnly = true;
+				w.inputEl.style.opacity = 0.6;
+				w.value = message.text;
+
+				this.onResize?.(this.size);
+			};
+		}
+	},
+});