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/rgthree-comfy/web/comfyui/power_prompt.js

@@ -0,0 +1,42 @@
+import { app } from "../../scripts/app.js";
+import { addConnectionLayoutSupport } from "./utils.js";
+import { PowerPrompt } from "./base_power_prompt.js";
+import { NodeTypesString } from "./constants.js";
+let nodeData = null;
+app.registerExtension({
+    name: "rgthree.PowerPrompt",
+    async beforeRegisterNodeDef(nodeType, passedNodeData) {
+        if (passedNodeData.name.includes("Power Prompt") && passedNodeData.name.includes("rgthree")) {
+            nodeData = passedNodeData;
+            const onNodeCreated = nodeType.prototype.onNodeCreated;
+            nodeType.prototype.onNodeCreated = function () {
+                onNodeCreated ? onNodeCreated.apply(this, []) : undefined;
+                this.powerPrompt = new PowerPrompt(this, passedNodeData);
+            };
+            addConnectionLayoutSupport(nodeType, app, [
+                ["Left", "Right"],
+                ["Right", "Left"],
+            ]);
+        }
+    },
+    async loadedGraphNode(node) {
+        if (node.type === NodeTypesString.POWER_PROMPT) {
+            setTimeout(() => {
+                if (node.outputs[0].type === "STRING") {
+                    if (node.outputs[0].links) {
+                        node.outputs[3].links = node.outputs[3].links || [];
+                        for (const link of node.outputs[0].links) {
+                            node.outputs[3].links.push(link);
+                            (node.graph || app.graph).links[link].origin_slot = 3;
+                        }
+                        node.outputs[0].links = null;
+                    }
+                    node.outputs[0].type = nodeData.output[0];
+                    node.outputs[0].name = nodeData.output_name[0] || node.outputs[0].type;
+                    node.outputs[0].color_on = undefined;
+                    node.outputs[0].color_off = undefined;
+                }
+            }, 50);
+        }
+    },
+});