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/whiterabbit/__init__.py

@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: AGPL-3.0-only
+# SPDX-FileCopyrightText: 2025 ArtificialSweetener <artificialsweetenerai@proton.me>
+
+from .interpolation import (
+    RIFE_FPS_Resample,
+    RIFE_SeamTimingAnalyzer,
+    RIFE_VFI_Advanced,
+    RIFE_VFI_Opt,
+)
+from .noise_control import PixelHold
+from .post_process import BatchWatermarkSingle
+from .scaling import BatchResizeWithLanczos, UpscaleWithModelAdvanced
+from .video_loop import (
+    AssembleLoopFrames,
+    AutocropToLoop,
+    PrepareLoopFrames,
+    RollFrames,
+    TrimBatchEnds,
+    UnrollFrames,
+)
+
+NODE_CLASS_MAPPINGS = {
+    "PrepareLoopFrames": PrepareLoopFrames,
+    "AssembleLoopFrames": AssembleLoopFrames,
+    "RollFrames": RollFrames,
+    "UnrollFrames": UnrollFrames,
+    "AutocropToLoop": AutocropToLoop,
+    "TrimBatchEnds": TrimBatchEnds,
+    "RIFE_VFI_Opt": RIFE_VFI_Opt,
+    "RIFE_VFI_Advanced": RIFE_VFI_Advanced,
+    "RIFE_SeamTimingAnalyzer": RIFE_SeamTimingAnalyzer,
+    "RIFE_FPS_Resample": RIFE_FPS_Resample,
+    "PixelHold": PixelHold,
+    "UpscaleWithModelAdvanced": UpscaleWithModelAdvanced,
+    "BatchResizeWithLanczos": BatchResizeWithLanczos,
+    "BatchWatermarkSingle": BatchWatermarkSingle,
+}
+
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "PrepareLoopFrames": "🐇 Prepare Loop Frames",
+    "AssembleLoopFrames": "🐇 Assemble Loop Frames",
+    "RollFrames": "🐇 Roll Frames",
+    "UnrollFrames": "🐇 Unroll Frames",
+    "AutocropToLoop": "🐇 Autocrop to Loop",
+    "TrimBatchEnds": "🐇 Trim Batch Ends",
+    "RIFE_VFI_Opt": "🐇 RIFE VFI Interpolate by Multiple",
+    "RIFE_VFI_Advanced": "🐇 RIFE VFI Custom Timing",
+    "RIFE_SeamTimingAnalyzer": "🐇 RIFE Seam Timing Analyzer",
+    "RIFE_FPS_Resample": "🐇 RIFE VFI FPS Resample",
+    "PixelHold": "🐇 Pixel Hold",
+    "UpscaleWithModelAdvanced": "🐇 Upscale w/ Model (Advanced)",
+    "BatchResizeWithLanczos": "🐇 Batch Resize w/ Lanczos",
+    "BatchWatermarkSingle": "🐇 Watermark",
+}
+
+__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS"]