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/kSamplerAdvDenoise.js

@@ -0,0 +1,54 @@
+import { app } from "../../../scripts/app.js";
+app.registerExtension({
+	name: "pysssss.KSamplerAdvDenoise",
+	async beforeRegisterNodeDef(nodeType) {
+		// Add menu options to conver to/from widgets
+		const origGetExtraMenuOptions = nodeType.prototype.getExtraMenuOptions;
+		nodeType.prototype.getExtraMenuOptions = function (_, options) {
+			const r = origGetExtraMenuOptions?.apply?.(this, arguments);
+
+			let stepsWidget = null;
+			let startAtWidget = null;
+			let endAtWidget = null;
+			for (const w of this.widgets || []) {
+				if (w.name === "steps") {
+					stepsWidget = w;
+				} else if (w.name === "start_at_step") {
+					startAtWidget = w;
+				} else if (w.name === "end_at_step") {
+					endAtWidget = w;
+				}
+			}
+
+			if (stepsWidget && startAtWidget && endAtWidget) {
+				options.push(
+					{
+						content: "Set Denoise",
+						callback: () => {
+							const steps = +prompt("How many steps do you want?", 15);
+							if (isNaN(steps)) {
+								return;
+							}
+							const denoise = +prompt("How much denoise? (0-1)", 0.5);
+							if (isNaN(denoise)) {
+								return;
+							}
+
+							stepsWidget.value = Math.floor(steps / Math.max(0, Math.min(1, denoise)));
+							stepsWidget.callback?.(stepsWidget.value);
+
+							startAtWidget.value = stepsWidget.value - steps;
+							startAtWidget.callback?.(startAtWidget.value);
+
+							endAtWidget.value = stepsWidget.value;
+							endAtWidget.callback?.(endAtWidget.value);
+						},
+					},
+					null
+				);
+			}
+
+			return r;
+		};
+	},
+});