desktop/src/lib/derive.ts:1
* Pure frontend calculations without IPC: period durations and grouped chart data.
desktop/src/lib/derive.ts:6
/** Native Copilot turn input is a lower bound for display only;
* never replace complete query/export totals with it. */
desktop/src/lib/derive.ts:16
/** Short display keeps complete totals, observed bounds and unknown distinct. */
desktop/src/lib/derive.ts:22
/** A model can appear under several providers; name-only pies combine them. */
desktop/src/lib/derive.ts:33
/** Mean call duration in milliseconds; null without known data. */
desktop/src/lib/derive.ts:35
/** Known period duration sum in milliseconds; null without known data. */
desktop/src/lib/derive.ts:39
/** Sum/average known total_duration_ms periods only, without zero-filling unknowns. */
desktop/src/lib/derive.ts:57
/** One series/time-label value; null means unknown, not zero. */
desktop/src/lib/derive.ts:69
/** chart_series output: chronological labels, series names and cells keyed by series/label. */
desktop/src/lib/derive.ts:77
* Turn unique backend GROUP BY label/series rows into chart arrays.
* Missing series/label pairs mean no records for that period; queries
* let charts render those gaps as zero or a dash.
