Add synthetic test dataset

README.md

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+---
+license: cc0-1.0
+tags:
+- synthetic
+- test-data
+size_categories:
+- n<1K
+---
+
+# current-platform-c7965a
+
+Synthetic sensors test data: 31 rows in `data.csv`.
+
+All values are randomly generated fictional examples, not real observations, products, or user activity. Intended only for CSV loading and pipeline tests; not suitable for scientific or business conclusions. Columns are sampled independently and do not model real-world correlations.
+
+## Fields
+
+- `sample_id`: random identifier for this generated sample.
+- `row_id`: sequential row number starting at 1.
+- `is_synthetic`: always true.
+- `voltage_v`, `current_ma`: simulated values in the units named in each column.

data.csv

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+sample_id,row_id,is_synthetic,voltage_v,current_ma
+50721e1e24f495ae,1,true,1.235,331
+50721e1e24f495ae,2,true,0.461,98
+50721e1e24f495ae,3,true,1.42,564
+50721e1e24f495ae,4,true,1.375,18
+50721e1e24f495ae,5,true,1.378,110
+50721e1e24f495ae,6,true,3.372,972
+50721e1e24f495ae,7,true,1.609,725
+50721e1e24f495ae,8,true,0.391,149
+50721e1e24f495ae,9,true,0.413,721
+50721e1e24f495ae,10,true,3.589,894
+50721e1e24f495ae,11,true,3.365,192
+50721e1e24f495ae,12,true,4.433,58
+50721e1e24f495ae,13,true,0.074,699
+50721e1e24f495ae,14,true,2.748,847
+50721e1e24f495ae,15,true,0.173,911
+50721e1e24f495ae,16,true,1.979,228
+50721e1e24f495ae,17,true,4.319,744
+50721e1e24f495ae,18,true,4.695,194
+50721e1e24f495ae,19,true,2.796,971
+50721e1e24f495ae,20,true,4.566,773
+50721e1e24f495ae,21,true,1.07,213
+50721e1e24f495ae,22,true,2.915,262
+50721e1e24f495ae,23,true,2.788,654
+50721e1e24f495ae,24,true,0.211,386
+50721e1e24f495ae,25,true,3.037,970
+50721e1e24f495ae,26,true,1.198,121
+50721e1e24f495ae,27,true,2.213,237
+50721e1e24f495ae,28,true,3.237,919
+50721e1e24f495ae,29,true,3.152,515
+50721e1e24f495ae,30,true,4.974,960
+50721e1e24f495ae,31,true,0.53,812