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/scripts/colab-dependencies.py

@@ -0,0 +1,39 @@
+import os
+import subprocess
+
+
+def get_enabled_subdirectories_with_files(base_directory):
+    subdirs_with_files = []
+    for subdir in os.listdir(base_directory):
+        try:
+            full_path = os.path.join(base_directory, subdir)
+            if os.path.isdir(full_path) and not subdir.endswith(".disabled") and not subdir.startswith('.') and subdir != '__pycache__':
+                print(f"## Install dependencies for '{subdir}'")
+                requirements_file = os.path.join(full_path, "requirements.txt")
+                install_script = os.path.join(full_path, "install.py")
+
+                if os.path.exists(requirements_file) or os.path.exists(install_script):
+                    subdirs_with_files.append((full_path, requirements_file, install_script))
+        except Exception as e:
+            print(f"EXCEPTION During Dependencies INSTALL on '{subdir}':\n{e}")
+
+    return subdirs_with_files
+
+
+def install_requirements(requirements_file_path):
+    if os.path.exists(requirements_file_path):
+        subprocess.run(["pip", "install", "-r", requirements_file_path])
+
+
+def run_install_script(install_script_path):
+    if os.path.exists(install_script_path):
+        subprocess.run(["python", install_script_path])
+
+
+custom_nodes_directory = "custom_nodes"
+subdirs_with_files = get_enabled_subdirectories_with_files(custom_nodes_directory)
+
+
+for subdir, requirements_file, install_script in subdirs_with_files:
+    install_requirements(requirements_file)
+    run_install_script(install_script)