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Data source registry — Edit
Opened from a Data source row's Edit action on Admin → Hazards & Data Sources — this is the same registry entity, isolated here for focused editing. Showing CHIRPS rainfall (Drought) as the worked example; every source's Edit action opens this same form pre-filled for that row.
Source identity
Historical coverage
10 years — meets the 3–5yr retention target (FR-4). Sources below target show an explicit gap notice instead (e.g. Regional cyclone outlook feed, 1.5yr so far), never a fabricated back-history.
Attribution & documentation
Saving records an append-only audit entry (actor, field changed, before/after) — same as any other admin edit.