A look through requirements documentation for anything related to variability characterization:
LPM-17 3.5 Data Processing and Management Requirements
"Level 2 data products ... will include ... variability information such as ... an appropriate compact description of light curves."
"The data stream will also include prior variability information ... [which] will at the very least include low-order light-curve moments and probability that the object is variable, and ideally the full light curves in all available bands."
LSE-61 1.3.7 Characterizing Variability
Specification: For alert production, DIAObject variability characterization shall include data
collected during the time period from the present to at least diaCharacterizationCutoff in
LSE-61 126.96.36.199 DIAObject Attributes
Specification: For each DIAObject the DMS shall store summary attributes including at least ... periodic and non-periodic variability measures; and flags that encode special conditions encountered in measuring the above quantities.
LSE-61 1.3.11 DIAForcedSource Catalog and 1.4.16 Forced-Source Catalog
Just noting the discussions say "The large number of such forced sources makes it impractical to measure more attributes than are necessary to construct a light curve for variability studies.", and that this means there's no requirement to include Forced Photometry in any variability characterization parameter – not that it couldn't be done anyway of course.
LSE-61 1.3.18 Regenerating L1 Data Products During Data Release Processing
Discussion: Variability characterization will use the full light curve history.
LSE-61 188.8.131.52 Object Characterization
Specification: Each entry in the Object Catalog shall include the following characterization
measures ... and a variability characterization.