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docs: add Architecture section; ci: add --fatal-infos to dart analyze

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Aric Camarata 2026-03-08 17:10:50 -04:00
parent e41b4c96b1
commit 00d37d3d63
2 changed files with 5 additions and 1 deletions
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2
.github/workflows/ci.yml vendored
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@ -19,7 +19,7 @@ jobs:
with:
sdk: ${{ matrix.dart-version }}
- run: dart pub get
- run: dart analyze
- run: dart analyze --fatal-infos
- run: dart test
format:

4
README.md
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@ -85,6 +85,10 @@ Fixed-angle methods (ISNA 15 degrees, MWL 18 degrees, etc.) produce inaccurate F
Result: approximately 18 degrees at the equator, approximately 12-14 degrees at 50-55 degrees N in summer. Matches observational data from the Moonsighting Committee Worldwide.
## Architecture
Built in three layers: (1) [nrel_spa](https://pub.dev/packages/nrel_spa) provides the solar ephemeris foundation; (2) the MSC piecewise model computes seasonal minute offsets which are converted to depression angles via spherical trigonometry; (3) physics corrections (Earth-Sun distance, refraction, elevation dip) adjust the angle within [10°, 22°] bounds.
## Compatibility
Dart SDK 3.7.0+. Works in Flutter (iOS, Android, Web, Desktop), Dart CLI, and server-side Dart. Single dependency: [nrel_spa](https://pub.dev/packages/nrel_spa).