Add synthetic test dataset

README.md

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+---
+license: cc0-1.0
+tags:
+- synthetic
+- test-data
+size_categories:
+- n<1K
+---
+
+# just-potato-844c56
+
+Synthetic sensors test data: 59 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
+8a11bf7a6dadf908,1,true,3.898,855
+8a11bf7a6dadf908,2,true,3.047,57
+8a11bf7a6dadf908,3,true,4.844,634
+8a11bf7a6dadf908,4,true,4.026,255
+8a11bf7a6dadf908,5,true,1.631,294
+8a11bf7a6dadf908,6,true,1.72,372
+8a11bf7a6dadf908,7,true,2.078,213
+8a11bf7a6dadf908,8,true,0.433,49
+8a11bf7a6dadf908,9,true,3.659,40
+8a11bf7a6dadf908,10,true,3.448,272
+8a11bf7a6dadf908,11,true,4.94,92
+8a11bf7a6dadf908,12,true,0.541,341
+8a11bf7a6dadf908,13,true,2.578,388
+8a11bf7a6dadf908,14,true,0.653,364
+8a11bf7a6dadf908,15,true,3.076,480
+8a11bf7a6dadf908,16,true,0.213,710
+8a11bf7a6dadf908,17,true,3.969,818
+8a11bf7a6dadf908,18,true,4.234,850
+8a11bf7a6dadf908,19,true,2.756,634
+8a11bf7a6dadf908,20,true,1.777,179
+8a11bf7a6dadf908,21,true,3.348,460
+8a11bf7a6dadf908,22,true,0.236,141
+8a11bf7a6dadf908,23,true,4.848,826
+8a11bf7a6dadf908,24,true,3.233,989
+8a11bf7a6dadf908,25,true,2.855,927
+8a11bf7a6dadf908,26,true,3.172,337
+8a11bf7a6dadf908,27,true,0.073,780
+8a11bf7a6dadf908,28,true,3.042,563
+8a11bf7a6dadf908,29,true,1.852,18
+8a11bf7a6dadf908,30,true,0.403,921
+8a11bf7a6dadf908,31,true,0.761,658
+8a11bf7a6dadf908,32,true,1.412,444
+8a11bf7a6dadf908,33,true,2.318,380
+8a11bf7a6dadf908,34,true,3.06,205
+8a11bf7a6dadf908,35,true,0.667,691
+8a11bf7a6dadf908,36,true,2.091,597
+8a11bf7a6dadf908,37,true,1.136,791
+8a11bf7a6dadf908,38,true,4.724,492
+8a11bf7a6dadf908,39,true,0.898,811
+8a11bf7a6dadf908,40,true,4.83,235
+8a11bf7a6dadf908,41,true,0.185,757
+8a11bf7a6dadf908,42,true,4.994,62
+8a11bf7a6dadf908,43,true,0.13,500
+8a11bf7a6dadf908,44,true,2.353,899
+8a11bf7a6dadf908,45,true,3.55,328
+8a11bf7a6dadf908,46,true,3.209,239
+8a11bf7a6dadf908,47,true,3.34,968
+8a11bf7a6dadf908,48,true,2.622,326
+8a11bf7a6dadf908,49,true,1.901,530
+8a11bf7a6dadf908,50,true,0.645,774
+8a11bf7a6dadf908,51,true,4.854,477
+8a11bf7a6dadf908,52,true,2.17,16
+8a11bf7a6dadf908,53,true,2.387,599
+8a11bf7a6dadf908,54,true,3.923,774
+8a11bf7a6dadf908,55,true,4.877,55
+8a11bf7a6dadf908,56,true,1.93,901
+8a11bf7a6dadf908,57,true,2.869,496
+8a11bf7a6dadf908,58,true,3.069,8
+8a11bf7a6dadf908,59,true,4.787,643