Ryan Malloy
4d64b78fb8
Four new functions (184 → 188 SQL objects): - sun_almanac_events(): merged rise/set + twilight SRF (4 threshold scans) - planet_conjunctions(): angular separation minima via daily scan + ternary search - satellite_penumbral_fraction(): continuous 0.0-1.0 shadow depth - moon_physical_libration(): Meeus p. 373 Fourier corrections (tau, rho) 30 regression test suites, all passing.