Add synthetic test dataset

README.md

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+---
+license: cc0-1.0
+tags:
+- synthetic
+- test-data
+size_categories:
+- n<1K
+---
+
+# broad-value-68367a
+
+Synthetic products 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.
+- `price_usd`, `stock_units`: simulated values in the units named in each column.

data.csv

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+sample_id,row_id,is_synthetic,price_usd,stock_units
+58d1b326db66a3fa,1,true,310.73,408
+58d1b326db66a3fa,2,true,472.94,164
+58d1b326db66a3fa,3,true,424.27,230
+58d1b326db66a3fa,4,true,400.43,41
+58d1b326db66a3fa,5,true,498.45,33
+58d1b326db66a3fa,6,true,330.22,314
+58d1b326db66a3fa,7,true,140.06,37
+58d1b326db66a3fa,8,true,62.22,169
+58d1b326db66a3fa,9,true,478.52,112
+58d1b326db66a3fa,10,true,45.19,309
+58d1b326db66a3fa,11,true,308.07,74
+58d1b326db66a3fa,12,true,310.64,417
+58d1b326db66a3fa,13,true,110.7,41
+58d1b326db66a3fa,14,true,50.48,13
+58d1b326db66a3fa,15,true,251.56,34
+58d1b326db66a3fa,16,true,204.87,107
+58d1b326db66a3fa,17,true,149.02,394
+58d1b326db66a3fa,18,true,255.78,241
+58d1b326db66a3fa,19,true,184.23,495
+58d1b326db66a3fa,20,true,185.02,439
+58d1b326db66a3fa,21,true,18.98,10
+58d1b326db66a3fa,22,true,492.04,162
+58d1b326db66a3fa,23,true,124.3,116
+58d1b326db66a3fa,24,true,115.9,195
+58d1b326db66a3fa,25,true,203.78,60
+58d1b326db66a3fa,26,true,107.59,489
+58d1b326db66a3fa,27,true,104.17,384
+58d1b326db66a3fa,28,true,329.73,415
+58d1b326db66a3fa,29,true,151.45,34
+58d1b326db66a3fa,30,true,481.84,166
+58d1b326db66a3fa,31,true,481.3,41
+58d1b326db66a3fa,32,true,253.04,268
+58d1b326db66a3fa,33,true,323.94,276
+58d1b326db66a3fa,34,true,99.46,236
+58d1b326db66a3fa,35,true,49.03,327
+58d1b326db66a3fa,36,true,360.58,341
+58d1b326db66a3fa,37,true,441.89,12
+58d1b326db66a3fa,38,true,430.52,392
+58d1b326db66a3fa,39,true,20.94,213
+58d1b326db66a3fa,40,true,246.19,227
+58d1b326db66a3fa,41,true,252.6,362
+58d1b326db66a3fa,42,true,236.1,104
+58d1b326db66a3fa,43,true,362.69,11
+58d1b326db66a3fa,44,true,455.98,186
+58d1b326db66a3fa,45,true,327.78,118
+58d1b326db66a3fa,46,true,130.89,483
+58d1b326db66a3fa,47,true,88.58,58
+58d1b326db66a3fa,48,true,13.73,396
+58d1b326db66a3fa,49,true,226.66,430
+58d1b326db66a3fa,50,true,388.07,180
+58d1b326db66a3fa,51,true,229.34,224
+58d1b326db66a3fa,52,true,71.26,342
+58d1b326db66a3fa,53,true,138.22,217
+58d1b326db66a3fa,54,true,346.38,115
+58d1b326db66a3fa,55,true,404.3,35
+58d1b326db66a3fa,56,true,372.59,233
+58d1b326db66a3fa,57,true,227.62,440
+58d1b326db66a3fa,58,true,31.28,191
+58d1b326db66a3fa,59,true,106.9,326