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/nodes/utils.py

@@ -0,0 +1,55 @@
+from ..core import CATEGORY, JSON_WIDGET, findJsonStrDiff, get_system_stats, logger
+
+
+class CUtilsCompareJsons:
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "json_old": JSON_WIDGET,
+                "json_new": JSON_WIDGET,
+            },
+            "optional": {
+
+            }
+        }
+
+    CATEGORY = CATEGORY.MAIN.value + CATEGORY.UTILS.value
+    RETURN_TYPES = ("JSON",)
+    RETURN_NAMES = ("json_compared",)
+    OUTPUT_NODE = True
+
+    FUNCTION = "execute"
+
+    def execute(self, json_old, json_new):
+        json = findJsonStrDiff(json_old, json_new)
+        return (str(json),)
+
+
+# Credits to: https://github.com/WASasquatch/was-node-suite-comfyui for the following node!
+class CUtilsStatSystem:
+    def __init__(self):
+        pass
+
+    @classmethod
+    def INPUT_TYPES(cls):
+        return {
+            "required": {
+                "latent": ("LATENT",),
+            }
+        }
+
+    CATEGORY = CATEGORY.MAIN.value + CATEGORY.UTILS.value
+    RETURN_TYPES = ("LATENT",)
+    RETURN_NAMES = ("latent",)
+
+    FUNCTION = "execute"
+
+    def execute(self, latent):
+        log = "Samples Passthrough:\n"
+        for stat in get_system_stats():
+            log += stat + "\n"
+
+        logger.debug(log)
+
+        return {"ui": {"text": [log]}, "result": (latent,)}