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/src_web/comfyui/fast_groups_bypasser.ts

@@ -0,0 +1,38 @@
+import type {Size} from "@comfyorg/frontend";
+
+import {app} from "scripts/app.js";
+import {NodeTypesString} from "./constants.js";
+import {BaseFastGroupsModeChanger} from "./fast_groups_muter.js";
+
+/**
+ * Fast Bypasser implementation that looks for groups in the workflow and adds toggles to mute them.
+ */
+export class FastGroupsBypasser extends BaseFastGroupsModeChanger {
+  static override type = NodeTypesString.FAST_GROUPS_BYPASSER;
+  static override title = NodeTypesString.FAST_GROUPS_BYPASSER;
+  override comfyClass = NodeTypesString.FAST_GROUPS_BYPASSER;
+
+  static override exposedActions = ["Bypass all", "Enable all", "Toggle all"];
+
+  protected override helpActions = "bypass and enable";
+
+  override readonly modeOn = LiteGraph.ALWAYS;
+  override readonly modeOff = 4; // Used by Comfy for "bypass"
+
+  constructor(title = FastGroupsBypasser.title) {
+    super(title);
+    this.onConstructed();
+  }
+}
+
+app.registerExtension({
+  name: "rgthree.FastGroupsBypasser",
+  registerCustomNodes() {
+    FastGroupsBypasser.setUp();
+  },
+  loadedGraphNode(node: FastGroupsBypasser) {
+    if (node.type == FastGroupsBypasser.title) {
+      node.tempSize = [...node.size] as Size;
+    }
+  },
+});