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/middleClickAddDefaultNode.js

@@ -0,0 +1,49 @@
+import { app } from "../../../scripts/app.js";
+
+const id = "pysssss.MiddleClickAddDefaultNode";
+const ext = {
+	name: id,
+	async setup(app) {
+		app.ui.settings.addSetting({
+			id,
+			name: "🐍 Middle click slot to add",
+			defaultValue: "Reroute",
+			type: "combo",
+			options: (value) =>
+				[
+					...Object.keys(LiteGraph.registered_node_types)
+						.filter((k) => k.includes("Reroute"))
+						.sort((a, b) => {
+							if (a === "Reroute") return -1;
+							if (b === "Reroute") return 1;
+							return a.localeCompare(b);
+						}),
+					"[None]",
+				].map((m) => ({
+					value: m,
+					text: m,
+					selected: !value ? m === "[None]" : m === value,
+				})),
+			onChange(value) {
+				const enable = value && value !== "[None]";
+				if (value === true) {
+					value = "Reroute";
+				}
+				LiteGraph.middle_click_slot_add_default_node = enable;
+				if (enable) {
+					for (const arr of Object.values(LiteGraph.slot_types_default_in).concat(
+						Object.values(LiteGraph.slot_types_default_out)
+					)) {
+						const idx = arr.indexOf(value);
+						if (idx !== 0) {
+							arr.splice(idx, 1);
+						}
+						arr.unshift(value);
+					}
+				}
+			},
+		});
+	},
+};
+
+app.registerExtension(ext);