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-manager/js/snapshot.css

@@ -0,0 +1,65 @@
+.snapshot-manager {
+	--grid-font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
+	z-index: 1099;
+	width: 80vw;
+	height: 75vh;
+	min-height: 30em;
+	display: flex;
+	flex-direction: column;
+	gap: 10px;
+	color: var(--fg-color);
+	font-family: arial, sans-serif;
+	text-underline-offset: 3px;
+	outline: none;
+	margin: calc(var(--spacing)*2);
+}
+
+.snapshot-manager button {
+	width: auto;
+	position: relative;
+	overflow: hidden;
+	font-size: 16px;
+	color: var(--input-text);
+	background-color: var(--comfy-input-bg);
+	border-color: var(--border-color);
+	margin: 0;
+	min-width: 100px;
+	padding: 4px 8px;
+}
+
+.snapshot-manager .snapshot-restore-btn {
+	background-color: #00158f !important;
+	border-color: #2025b9 !important;
+	color: white !important;
+}
+
+.snapshot-manager .snapshot-remove-btn  {
+	background-color: #970000 !important;
+	border-color: #be2127 !important;
+	color: white !important;
+}
+
+.snapshot-manager button:hover {
+	filter: brightness(125%);
+}
+
+.snapshot-manager .data-btns {
+	display: flex;
+	flex-direction: column;
+	gap: calc(var(--spacing)*2);
+	padding: calc(var(--spacing)*2);
+	align-items: center;
+	justify-content: center;
+	height: 100%;
+}
+
+.snapshot-footer {
+	display: flex;
+	flex-wrap: wrap;
+	gap: 10px;
+	align-items: center;
+}
+
+.snapshot-manager .cn-flex-auto {
+	flex: auto;
+}