- Add Phoenix.Ecto.SQL.Sandbox.allow to all start_async closures in ContactLive.Show (8 sites) and PskrSpotsLive (4 sites), fixing silent empty results when async Tasks accessed DB in tests
- Add File.exists? skip-guards to wgrib2_test.exs (14 guards) and hrrr_client_test.exs (3 guards) so tests skip gracefully when GRIB2 fixtures are absent
- Remove leftover debug IO.puts from SandboxHook
- Fix stale homepage assertion in html_module_test.exs
- Add cdo and wgrib2 to nix shell.nix and Forgejo CI apt-get install
Test suite: 4049/4054 passed (99.9%), 5 remaining failures are environment gaps (cdo/wgrib2 not yet in CI runtime)
- Delete Microwaveprop.Aprs, AprsRepo, Aprs.PathParser modules
- Delete Mix.Tasks.Calibrate.Aprs144 mix task
- Remove AprsRepo from application.ex children and config files
- Remove APRS test files and sandbox references in test_helper
- Fix credo nested-module alias suggestions in conn_case.ex
