feat: data lineage view (#107)#139
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William-Hill merged 1 commit intomainfrom May 3, 2026
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Add lineage API with dashboard filters, latest upload_history ingest, transformation steps, and paginated source rows from student_level_with_predictions. Row-level identifiers respect the same RBAC as the student roster. Wire KPI values, risk-alert pie slices, and roster cells to open a dialog with lineage details. Add shared dashboard filter helpers and Radix dialog UI. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
Implements the data lineage MVP from issue #107: users can trace where dashboard numbers come from via an ingest event, transformation chain, and (when permitted) paginated source rows.
What changed
GET /api/lineage— Acceptsmetric, dashboard filters (cohort,enrollmentType,credentialType), optionalcategoryfor chart segments, andstudentGuid+fieldfor roster cells. Returns latest relevantupload_historyrow, static transformation steps, aggregate row count, and paginated rows fromstudent_level_with_predictions./api/students(admin, advisor, IR). Other authenticated roles still see upload metadata, steps, and counts.LineageValueButton+stopPropagationso row navigation still works).lib/dashboard-filters.ts,lib/lineage-config.ts,lib/lineage-types.ts;@radix-ui/react-dialogdependency.How to verify
Closes #107 (if your repo uses that keyword).
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