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malice 4180d3513c shared: promote dem.py to shared/ (prep for navi-offroute) (#9) ... Pure refactor, no behavior change. Moves services/navi_geo/dem.py to shared/dem.py (verbatim logic + env override; only docstring + location changed) and re-points navi-geo's two imports (geo_route.py, admin.py) to `from shared.dem import ...`. Per extraction-8-phase-a.md §5/§13.1: navi-offroute (#18) needs the same DEMReader, so a single source of truth in shared/ beats a third copy. Second shared/ promotion after PR #7 round-2's shared/git_sha.py; navi-offroute will `from shared.dem import DEMReader` directly. Adds shared/tests/test_dem.py (dem_path default + NAVI_DEM_PMTILES override). navi-geo behavior unchanged (test_reverse_bundle mocks geo_route._DEM, agnostic to DEMReader's location). Full suite: 104 passed / 1 skipped (+2). Co-authored-by: zvx-echo6 <mj@k7zvx.com> Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>		2026-05-22 22:42:47 -06:00
backend	shared: promote dem.py to shared/ (prep for navi-offroute) (#9)	2026-05-22 22:42:47 -06:00