Use plain string literals on Linux instead of String(localized:)

String(localized:) is not available on Linux Foundation. Use plain
string literals in the #else blocks.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: RISCfuture

Sources/SwiftNASR/Error.swift

@@ -123,13 +123,13 @@ extension Error: LocalizedError {
         #if canImport(Darwin)
         return String(localized: "Couldn’t load distribution.", comment: "error description")
         #else
-        return String(localized: "Couldn’t load distribution.")
+        return "Couldn’t load distribution."
         #endif
       case .badResponse, .noData, .downloadFailed:
         #if canImport(Darwin)
         return String(localized: "Couldn’t download distribution.", comment: "error description")
         #else
-        return String(localized: "Couldn’t download distribution.")
+        return "Couldn’t download distribution."
         #endif
       case .unknownARTCC, .unknownARTCCFrequency, .unknownFieldId,
         .unknownFrequencyFieldId, .invalidFrequency, .unknownFSS,
@@ -138,13 +138,13 @@ extension Error: LocalizedError {
         #if canImport(Darwin)
         return String(localized: "Couldn’t parse distribution data.", comment: "error description")
         #else
-        return String(localized: "Couldn’t parse distribution data.")
+        return "Couldn’t parse distribution data."
         #endif
       case .notYetLoaded:
         #if canImport(Darwin)
         return String(localized: "This NASR has not been loaded yet.", comment: "error description")
         #else
-        return String(localized: "This NASR has not been loaded yet.")
+        return "This NASR has not been loaded yet."
         #endif
     }
   }
@@ -158,7 +158,7 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "Called .load() on a null distribution.")
+        return "Called .load() on a null distribution."
         #endif
       case .badResponse(let response):
         #if canImport(Darwin)
@@ -167,13 +167,13 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "Bad response: \(response.description).")
+        return "Bad response: \(response.description)."
         #endif
       case .downloadFailed(let reason):
         #if canImport(Darwin)
         return String(localized: "Download failed: \(reason)", comment: "failure reason")
         #else
-        return String(localized: "Download failed: \(reason)")
+        return "Download failed: \(reason)"
         #endif
       case .noSuchFilePrefix(let prefix):
         #if canImport(Darwin)
@@ -182,13 +182,13 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "Couldn’t find file in archive with prefix ‘\(prefix).’")
+        return "Couldn’t find file in archive with prefix ‘\(prefix).’"
         #endif
       case .noData:
         #if canImport(Darwin)
         return String(localized: "No data was downloaded.", comment: "failure reason")
         #else
-        return String(localized: "No data was downloaded.")
+        return "No data was downloaded."
         #endif
       case .unknownARTCC(let ID):
         #if canImport(Darwin)
@@ -197,7 +197,7 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "Referenced undefined ARTCC record with ID ‘\(ID)’.")
+        return "Referenced undefined ARTCC record with ID ‘\(ID)’."
         #endif
       case let .unknownARTCCFrequency(frequency, ARTCC):
         #if canImport(Darwin)
@@ -206,7 +206,7 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "Referenced undefined frequency ‘\(frequency)’ for ARTCC \(ARTCC.code).")
+        return "Referenced undefined frequency ‘\(frequency)’ for ARTCC \(ARTCC.code)."
         #endif
       case let .unknownFieldId(fieldId, ARTCC):
         #if canImport(Darwin)
@@ -215,7 +215,7 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "Unknown field ID ‘\(fieldId)’ at ‘\(ARTCC.code) \(ARTCC.locationName)’.")
+        return "Unknown field ID ‘\(fieldId)’ at ‘\(ARTCC.code) \(ARTCC.locationName)’."
         #endif
       case let .unknownFrequencyFieldId(fieldId, frequency, ARTCC):
         #if canImport(Darwin)
@@ -225,16 +225,13 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(
-          localized:
-            "Unknown field ID '\(fieldId)' for \(frequency.frequencyKHz) kHz at '\(ARTCC.code) \(ARTCC.locationName)'."
-        )
+        return "Unknown field ID '\(fieldId)' for \(frequency.frequencyKHz) kHz at '\(ARTCC.code) \(ARTCC.locationName)'."
         #endif
       case .invalidFrequency(let string):
         #if canImport(Darwin)
         return String(localized: "Invalid frequency ‘\(string)’.", comment: "failure reason")
         #else
-        return String(localized: "Invalid frequency ‘\(string)’.")
+        return "Invalid frequency ‘\(string)’."
         #endif
       case .unknownFSS(let ID):
         #if canImport(Darwin)
@@ -243,7 +240,7 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "Continuation record references unknown FSS ‘\(ID)’.")
+        return "Continuation record references unknown FSS ‘\(ID)’."
         #endif
       case .notYetLoaded:
         #if canImport(Darwin)
@@ -252,7 +249,7 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "Attempted to access NASR data before .load() was called.")
+        return "Attempted to access NASR data before .load() was called."
         #endif
       case .noSuchFile(let path):
         #if canImport(Darwin)
@@ -261,13 +258,13 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "No such file in distribution: \(path).")
+        return "No such file in distribution: \(path)."
         #endif
       case .invalidRunwaySurface(let string):
         #if canImport(Darwin)
         return String(localized: "Unknown runway surface ‘\(string)’.", comment: "failure reason")
         #else
-        return String(localized: "Unknown runway surface ‘\(string)’.")
+        return "Unknown runway surface ‘\(string)’."
         #endif
       case .invalidPavementClassification(let string):
         #if canImport(Darwin)
@@ -276,25 +273,25 @@ extension Error: LocalizedError {
           comment: "failure reason"
         )
         #else
-        return String(localized: "Unknown pavement classification ‘\(string)’ for PCN.")
+        return "Unknown pavement classification ‘\(string)’ for PCN."
         #endif
       case .invalidVGSI(let string):
         #if canImport(Darwin)
         return String(localized: "Unknown VGSI identifier ‘\(string)’.", comment: "failure reason")
         #else
-        return String(localized: "Unknown VGSI identifier ‘\(string)’.")
+        return "Unknown VGSI identifier ‘\(string)’."
         #endif
       case .unknownNavaid(let string):
         #if canImport(Darwin)
         return String(localized: "Unknown navaid ‘\(string)’.", comment: "failure reason")
         #else
-        return String(localized: "Unknown navaid ‘\(string)’.")
+        return "Unknown navaid ‘\(string)’."
         #endif
       case .invalidAltitudeFormat(let string):
         #if canImport(Darwin)
         return String(localized: "Invalid altitude format ‘\(string)’.", comment: "failure reason")
         #else
-        return String(localized: "Invalid altitude format ‘\(string)’.")
+        return "Invalid altitude format ‘\(string)’."
         #endif
     }
   }
@@ -309,10 +306,7 @@ extension Error: LocalizedError {
           comment: "recovery suggestion"
         )
         #else
-        return String(
-          localized:
-            "Do not call .load() on a NullDistribution. Use NullDistribution for distributions that were previously loaded and serialized to disk."
-        )
+        return "Do not call .load() on a NullDistribution. Use NullDistribution for distributions that were previously loaded and serialized to disk."
         #endif
       case .badResponse, .noData, .downloadFailed:
         #if canImport(Darwin)
@@ -321,7 +315,7 @@ extension Error: LocalizedError {
           comment: "recovery suggestion"
         )
         #else
-        return String(localized: "Verify that the URL to the distribution is correct and accessible.")
+        return "Verify that the URL to the distribution is correct and accessible."
         #endif
       case .unknownARTCC, .unknownARTCCFrequency, .unknownFieldId,
         .unknownFrequencyFieldId, .invalidFrequency, .unknownFSS,
@@ -334,7 +328,7 @@ extension Error: LocalizedError {
           comment: "recovery suggestion"
         )
         #else
-        return String(localized: "The NASR FADDS format may have changed, requiring an update to SwiftNASR.")
+        return "The NASR FADDS format may have changed, requiring an update to SwiftNASR."
         #endif
       case .notYetLoaded:
         #if canImport(Darwin)
@@ -343,7 +337,7 @@ extension Error: LocalizedError {
           comment: "recovery suggestion"
         )
         #else
-        return String(localized: "Call .load() before accessing NASR data.")
+        return "Call .load() before accessing NASR data."
         #endif
     }
   }