[FEATURE](components): add PivotByLabel table transform - #288
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Pivot multi-series table rows into a time × label matrix (rows = time buckets, columns = label values such as farm_short). Enables Grafana groupingToMatrix-style checker boards on Perses Table panels. - transforms.ts + CUE common.#transform - transform-data applyPivotByLabelTransform + tests - TransformEditor UI for PivotByLabel Signed-off-by: colivi <charles.olivi@gmail.com>
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Description
Add "PivotByLabel" table data transform: multi-series range samples → time x label matrix (Grafana "groupingToMatrix" parity).
Use case: table with rows = time buckets, columns = data, cells = counts (+ existing Table "cellSettings" Range colors).
Changes
Example
"""yaml
transforms:
spec:
columnLabel: farm_short
rowField: timestamp
rowColumnName: Time