feat: add temporal Mol explorer
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2026-07-14 15:19:42 +02:00
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# Changelog
## Sprint 187 Temporal Mol explorer (2026-07-14)
- Added first-class temporal dataset metadata and immutable dataset-version provenance for uploaded and derived vector/raster datasets.
- Added project temporal-series discovery and bounded snapshot comparison APIs with explicit observation dates, metric deltas, warnings and optional stable-identity object changes.
- Extended bbox selection with source-governed PostGIS aggregations so population is reported as inhabitants and land cover as intersected hectares instead of misleading feature counts.
- Added a calm Latest state/Evolution flow to the map-first explorer, including period selection, metric comparison and added/removed/modified overlays where source identities support them.
- Added explicit operator provisioners for official Statbel Mol population snapshots (2021-2025) and Digitaal Vlaanderen historical land-use snapshots (1778, 1873 and 1969); no source is fetched during application startup.
- Preserved methodological honesty: partial statistical sectors are labelled area-weighted estimates, historical land-use identity changes are not fabricated and all source URLs, versions and processing limitations are persisted.
## Sprint 186 Map-first Mol geographic explorer (2026-07-14)
- Replaced the default dashboard entry with a calm map-first workflow: choose a real data theme, drag a rectangle, query PostGIS automatically and review results.