UrlDetector
Detects URLs in text using the AOSP Patterns.WEB_URL regex, ported to commonMain for iOS parity.
The regex pattern is vendored from Android Open Source Project (AOSP) to ensure byte-identical detection results across Android and iOS platforms. See docs/adr/ for source URL and revision.
Reference: android.util.Patterns.WEB_URL (Apache License 2.0) https://android.googlesource.com/platform/frameworks/base/+/master/core/java/android/util/Patterns.java