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/snapToGrid.js

@@ -0,0 +1,73 @@
+import { app } from "../../../scripts/app.js";
+
+let setting;
+const id = "pysssss.SnapToGrid";
+
+/** Wraps the provided function call to set/reset shiftDown when setting is enabled. */
+function wrapCallInSettingCheck(fn) {
+	if (setting?.value) {
+		const shift = app.shiftDown;
+		app.shiftDown = true;
+		const r = fn();
+		app.shiftDown = shift;
+		return r;
+	}
+	return fn();
+}
+
+const ext = {
+	name: id,
+	init() {
+		setting = app.ui.settings.addSetting({
+			id,
+			name: "🐍 Always snap to grid",
+			defaultValue: false,
+			type: "boolean",
+			onChange(value) {
+				app.canvas.align_to_grid = value;
+			},
+		});
+
+		// We need to register our hooks after the core snap to grid extension runs
+		// Do this from the graph configure function so we still get onNodeAdded calls
+		const configure = LGraph.prototype.configure;
+		LGraph.prototype.configure = function () {
+			// Override drawNode to draw the drop position
+			const drawNode = LGraphCanvas.prototype.drawNode;
+			LGraphCanvas.prototype.drawNode = function () {
+				wrapCallInSettingCheck(() => drawNode.apply(this, arguments));
+			};
+
+			// Override node added to add a resize handler to force grid alignment
+			const onNodeAdded = app.graph.onNodeAdded;
+			app.graph.onNodeAdded = function (node) {
+				const r = onNodeAdded?.apply(this, arguments);
+				const onResize = node.onResize;
+				node.onResize = function () {
+					wrapCallInSettingCheck(() => onResize?.apply(this, arguments));
+				};
+				return r;
+			};
+
+
+			const groupMove = LGraphGroup.prototype.move;
+			LGraphGroup.prototype.move = function(deltax, deltay, ignore_nodes) {
+				wrapCallInSettingCheck(() => groupMove.apply(this, arguments));
+			}
+
+			const canvasDrawGroups = LGraphCanvas.prototype.drawGroups;
+			LGraphCanvas.prototype.drawGroups = function (canvas, ctx) {
+				wrapCallInSettingCheck(() => canvasDrawGroups.apply(this, arguments));
+			}
+
+			const canvasOnGroupAdd = LGraphCanvas.onGroupAdd;
+			LGraphCanvas.onGroupAdd = function() {
+				wrapCallInSettingCheck(() => canvasOnGroupAdd.apply(this, arguments));
+			}
+
+			return configure.apply(this, arguments);
+		};
+	},
+};
+
+app.registerExtension(ext);