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-inspire-pack/inspire/util_nodes.py

@@ -0,0 +1,41 @@
+import colorsys
+
+
+def hex_to_hsv(hex_color):
+    hex_color = hex_color.lstrip('#')
+    r, g, b = tuple(int(hex_color[i:i+2], 16) / 255.0 for i in (0, 2, 4))
+
+    h, s, v = colorsys.rgb_to_hsv(r, g, b)
+
+    hue = h * 360
+
+    saturation = s
+    value = v
+
+    return hue, saturation, value
+
+
+class RGB_HexToHSV:
+    @classmethod
+    def INPUT_TYPES(s):
+        return {"required": {
+                    "rgb_hex": ("STRING", {"defaultInput": True}),
+                    },
+                }
+
+    RETURN_TYPES = ("FLOAT", "FLOAT", "FLOAT")
+    RETURN_NAMES = ("hue", "saturation", "value")
+    FUNCTION = "doit"
+    CATEGORY = "InspirePack/Util"
+
+    def doit(self, rgb_hex):
+        return hex_to_hsv(rgb_hex)
+
+
+NODE_CLASS_MAPPINGS = {
+    "RGB_HexToHSV //Inspire": RGB_HexToHSV,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "RGB_HexToHSV //Inspire": "RGB Hex To HSV (Inspire)",
+}