Add approved dataset card

README.md

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+---
+pretty_name: Quant ML Training Data
+language:
+- en
+tags:
+- quantitative-finance
+- machine-learning
+- synthetic-test
+---
+
+# Quant ML Training Data
+
+## Purpose
+
+This repository is being initialized with a small synthetic fixture to verify dataset synchronization between project laptops. The fixture is not intended for model training or evaluation.
+
+## Contents and formats
+
+- `manifests/sync-smoke-test/events.jsonl`: a small synthetic JSONL fixture used only to verify the initial transfer and a later incremental update. It is not model data.
+
+## Source and provenance
+
+The smoke-test records are generated locally for this transfer test. They contain no market data, third-party source material, personal information, platform screenshot, or real trading label.
+
+## Intended use
+
+Verify push, pull, integrity checks, and incremental updates for this repository. These records have no financial meaning.
+
+## Limitations
+
+This is a small synthetic fixture. It is not a training set, evaluation set, investment signal, or evidence of trading performance.
+
+## License
+
+No dataset license is asserted by this card.