docs: 记录邻近统计部署结果

2026-08-06 15:32:16 +08:00
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 - Summary CSV and `interference_hourly_summary` add `nearby_count`, the number of other retained high-interference cells within 1 km during the same selected hour. Counts include all network types, exclude the row itself, include the exact 1 km boundary, and default to `0` when coordinates are unavailable.
 - Candidate lookup uses a dependency-free 1 km Earth-centered three-dimensional grid index. Only the current and 26 adjacent buckets are checked, then Haversine distance confirms the exact radius; this avoids a full all-pairs scan while preserving distance accuracy.
 - Unit tests pass in both the project virtual environment and `interference-etl-runtime:1.1` image. A read-only real run for window `2026080613001400` produced 1,116 rows, including 1,110 with coordinates, 925 with non-zero nearby counts, and a maximum count of 39. All 1,116 indexed results matched a separate brute-force comparison, which found 3,973 qualifying pairs.
+- SSH deployment and Metrix runner execution `8f2fd51d7de14c93b4b0eb9bee8fafa0` succeeded for the same window. Database API verification found only `2026-08-06 13:00:00`, with 1,116 rows, 925 non-zero counts, a maximum of 39, and 3,973 nearby pairs. All six rows without coordinates have count `0`.