Files
Fenris/src/fenris
xavierk d790ff84c5 feat(#73): publish trustworthy first usage history
- Schema migration 1-2: add segment_id to samples, unattributed bytes to day_aggregates

- Collector now derives hour observations and day aggregates from sample pairs

- Cross-hour deltas tracked as unattributed (no proportional allocation)

- Display states: 0 samples -> awaiting first, 1 sample -> awaiting another

- Monitoring period ensured open on each collection run

- Derivation failures preserve prior history

Closes #73
2026-09-14 03:19:08 +05:30
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