chore: scaffold ComfyUI-Datasete-Gates package

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

__init__.py

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+"""ComfyUI-Datasete-Gates — custom nodes."""
+from .gates.node import NODE_CLASS_MAPPINGS, NODE_DISPLAY_NAME_MAPPINGS
+from .gates import routes  # noqa: F401  (registers aiohttp routes on import)
+
+WEB_DIRECTORY = "./web"
+
+__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"]

gates/node.py

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+# gates/node.py — stub (filled in Task 9)
+NODE_CLASS_MAPPINGS = {}
+NODE_DISPLAY_NAME_MAPPINGS = {}

gates/routes.py

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+# gates/routes.py — stub (filled in Task 10)

pyproject.toml

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+[project]
+name = "comfyui-datasete-gates"
+version = "0.1.0"
+description = "Dataset Gates — Image Pool (Grid) node for ComfyUI"
+requires-python = ">=3.10"
+
+[tool.comfy]
+PublisherId = "ethanfel"
+DisplayName = "ComfyUI Datasete Gates"

web/grid_image_pool.js

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+import { app } from "../../scripts/app.js";
+app.registerExtension({ name: "datasete.gates.imagepool" });