Add ONNX graphs: KvasirSEG.onnx, KvasirSEG.onnx.config.json, KvasirSEG.onnx.provenance.json (tools/hf_onnx_export.py)

KvasirSEG.onnx

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+version https://git-lfs.github.com/spec/v1
+oid sha256:ccfa8557a4f5838adfc30874c6c4d05887c06a853831f8a528e3b0720aeb3ad0
+size 20075073

KvasirSEG.onnx.config.json

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+{
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+  "model": {
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+    "threshold": 0.5
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+}

KvasirSEG.onnx.provenance.json

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+{
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+    "file": "KvasirSEG.pth",
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+    "reference": "KvasirSEG.pth",
+    "model": "ColonSegNet",
+    "declaration_source": "sidecar",
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+  "graph": {
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+    "file": "KvasirSEG.onnx",
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+    "onnx": "1.22.0",
+    "onnxruntime": "1.29.0"
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+  "exported_at": "2026-09-09T23:01:54+00:00",
+  "release": {
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+      "split": "val",
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+    "tool": "tools/hf_onnx_export.py",
+    "stamped_at": "2026-09-09T23:02:18+00:00"
+  }
+}