Refactored the application structure to better separate concerns between files and packages

internal/adapters/outbound/postgres/forecast_rows.go

@@ -0,0 +1,50 @@
+// forecast_rows.go defines row DTOs for forecast reads.
+// Layer: adapters/outbound/postgres forecast feature.
+package postgres
+
+import (
+	"database/sql"
+	"time"
+)
+
+type forecastParentRow struct {
+	EventID         string
+	LocationID      sql.NullString
+	LocationName    sql.NullString
+	IssuedAt        time.Time
+	UpdatedAt       sql.NullTime
+	Product         string
+	Latitude        sql.NullFloat64
+	Longitude       sql.NullFloat64
+	ElevationMeters sql.NullFloat64
+}
+
+type forecastPeriodRow struct {
+	PeriodIndex                       int
+	StartTime                         time.Time
+	EndTime                           time.Time
+	Name                              sql.NullString
+	IsDay                             sql.NullBool
+	ConditionCode                     int
+	ConditionText                     sql.NullString
+	ProviderRawDescription            sql.NullString
+	TextDescription                   sql.NullString
+	DetailedText                      sql.NullString
+	IconURL                           sql.NullString
+	TemperatureC                      sql.NullFloat64
+	TemperatureCMin                   sql.NullFloat64
+	TemperatureCMax                   sql.NullFloat64
+	DewpointC                         sql.NullFloat64
+	RelativeHumidityPercent           sql.NullFloat64
+	WindDirectionDegrees              sql.NullFloat64
+	WindSpeedKmh                      sql.NullFloat64
+	WindGustKmh                       sql.NullFloat64
+	BarometricPressurePa              sql.NullFloat64
+	VisibilityMeters                  sql.NullFloat64
+	ApparentTemperatureC              sql.NullFloat64
+	CloudCoverPercent                 sql.NullFloat64
+	ProbabilityOfPrecipitationPercent sql.NullFloat64
+	PrecipitationAmountMM             sql.NullFloat64
+	SnowfallDepthMM                   sql.NullFloat64
+	UVIndex                           sql.NullFloat64
+}