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-Crystools/web/extensions.ts

@@ -0,0 +1,38 @@
+import { app, TLGraphNode, ComfyApp } from './comfy/index.js';
+import type { ComfyNode } from './comfy/index.js';
+import { displayContext } from './common.js';
+
+const crystoolsExtensionsSerialized: Record<string, string> = {
+  // 'External parameter from JSON file [Crystools]': 'Crystools.Utils.ExternalParameterFromJson',
+  'Read JSON file [Crystools]': 'Crystools.Utils.ReadJsonFile',
+  'JSON extractor [Crystools]': 'Crystools.Utils.JsonExtractor',
+};
+
+const crystoolsExtensions: Record<string, string> = {
+  'Get resolution [Crystools]': 'Crystools.Image.GetResolution',
+  'Preview from image [Crystools]': 'Crystools.Image.PreviewFromImage',
+  'Preview from metadata [Crystools]': 'Crystools.Image.PreviewFromMetadata',
+  'Metadata comparator [Crystools]': 'Crystools.Metadata.MetadataComparator',
+  'Stats system [Crystools]': 'Crystools.Utils.StatsSystem',
+  'Show any to JSON [Crystools]': 'Crystools.Debugger.ConsoleAnyToJson',
+};
+
+Object.keys(crystoolsExtensionsSerialized).forEach(prop => {
+  // @ts-ignore
+  crystoolsExtensions[prop] = crystoolsExtensionsSerialized[prop];
+});
+
+Object.keys(crystoolsExtensions).forEach(key => {
+  app.registerExtension({
+    name: crystoolsExtensions[key],
+    beforeRegisterNodeDef(nodeType: ComfyNode, nodeData: TLGraphNode, appFromArg: ComfyApp) {
+      if (nodeData.name === key) {
+        if (nodeData.name in crystoolsExtensionsSerialized) {
+          displayContext(nodeType, appFromArg, 0, true); // serialize_widgets = true
+        } else {
+          displayContext(nodeType, appFromArg, 0);
+        }
+      }
+    },
+  });
+});