Report each macOS app's build commit in /api/admin/status

mac/Sources/Byre/API.swift

@@ -102,7 +102,12 @@ final class API: Sendable {
 
     init(origin: URL) {
         self.origin = origin
-        session = URLSession(configuration: .default)
+        let config = URLSessionConfiguration.default
+        config.httpAdditionalHeaders = [
+            "Byre-Commit": Bundle.main.object(forInfoDictionaryKey: "ByreCommit") as! String,
+            "Byre-Host": Host.current().localizedName ?? ProcessInfo.processInfo.hostName,
+        ]
+        session = URLSession(configuration: config)
         client = Client(
             serverURL: origin,
             configuration: Configuration(dateTranscoder: ByreDates()),

mac/bundle.sh

@@ -27,6 +27,7 @@ rm -rf "$app"
 mkdir -p "$app/Contents/MacOS" "$app/Contents/Resources/fonts"
 cp "$build/Byre" "$app/Contents/MacOS/Byre"
 cp "$mac/Info.plist" "$app/Contents/Info.plist"
+plutil -insert ByreCommit -string "$(git -C "$root" rev-parse HEAD)" "$app/Contents/Info.plist"
 cp "$mac"/fonts/*.woff2 "$app/Contents/Resources/fonts/"
 cp "$icns" "$app/Contents/Resources/byre.icns"
 cp "$mac/byre.provisionprofile" "$app/Contents/embedded.provisionprofile"