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-Easy-Use/py/libs/messages.py

@@ -0,0 +1,55 @@
+from server import PromptServer
+from aiohttp import web
+import time
+import json
+
+class MessageCancelled(Exception):
+    pass
+
+class Message:
+    stash = {}
+    messages = {}
+    cancelled = False
+
+    @classmethod
+    def addMessage(cls, id, message):
+        if message == '__cancel__':
+            cls.messages = {}
+            cls.cancelled = True
+        elif message == '__start__':
+            cls.messages = {}
+            cls.stash = {}
+            cls.cancelled = False
+        else:
+            cls.messages[str(id)] = message
+
+    @classmethod
+    def waitForMessage(cls, id, period=0.1, asList=False):
+        sid = str(id)
+        while not (sid in cls.messages) and not ("-1" in cls.messages):
+            if cls.cancelled:
+                cls.cancelled = False
+                raise MessageCancelled()
+            time.sleep(period)
+        if cls.cancelled:
+            cls.cancelled = False
+            raise MessageCancelled()
+        message = cls.messages.pop(str(id), None) or cls.messages.pop("-1")
+        try:
+            if asList:
+                return [str(x.strip()) for x in message.split(",")]
+            else:
+                try:
+                    return json.loads(message)
+                except ValueError:
+                    return message
+        except ValueError:
+            print( f"ERROR IN MESSAGE - failed to parse '${message}' as ${'comma separated list of strings' if asList else 'string'}")
+            return [message] if asList else message
+
+
+@PromptServer.instance.routes.post('/easyuse/message_callback')
+async def message_callback(request):
+    post = await request.post()
+    Message.addMessage(post.get("id"), post.get("message"))
+    return web.json_response({})