- IS GenServer: add missing :failure_started_at to test build_state/1 map
- IS GenServer: fix stale status server assertion and reconnection test
- IS GenServer: set Logger level to :debug for dispatch parse-error tests
- PacketReplay: remove conflicting Registry start_supervised! from setup
- PacketReplay: update assertion from {:continue_replay} to :start_replay
- Doctests: fix float precision, stale sprite coords, quoting escapes
- API controllers: use string keys for JSON error/postion details
- PacketUtils: fix operator precedence (not is_nil(result).field)
- ThemeManager: update expected dark theme text color
- StatusLive: remove/update stale :loading assign assertions
- Movement: remove {:ok, _v} wrapper from render_hook/3 (returns HTML)
- AprsIsMock: update packet_stats assertion for populated default shape
- Replace apply/2 with direct fully-qualified calls in movement_test
- Fix assert_receive timeouts < 1000ms across 8 test files
- Move nested import statements to module-level scope
- Fix tests with no assertions and add missing doctest
- Replace weak type assertions with specific value checks
- Fix conditional assertions and length/1 expensive patterns
- Disable inappropriate Jump.CredoChecks.AvoidSocketAssignsInTest
- Fix tests not calling application code with credo:disable
- Add various credo:disable comments for legitimate patterns
