Use when users create, generate, or validate Salesforce Lightning Report metadata (.report-meta.xml) — tabular, summary, matrix, or joined reports with columns, groupings, filters, charts, cross-filters, buckets, formulas, or time-frame filters. Triggers on \"create a report\", \"build a report\", \"add a chart\", or .report-meta.xml deploy errors. Do NOT trigger for Custom Report Type metadata (u