Migrate UI to Jetpack Compose with Material 3 design

- Replace XML layouts with Compose screens for all 5 Activities
- Implement Material 3 theme with Google Blue/Green color scheme matching app icon
- Add device-aware navigation with bottom tabs for Samsung devices
- Remove action bar for modern edge-to-edge UI design
- Update Kotlin to 1.9.22 for Compose Compiler compatibility
- Add Compose dependencies and configure build system
- Implement MainViewModel for upload state management
- Create reusable dialog components for upload parameters and results
- Preserve all existing Java controllers and services (UI-only migration)

build.gradle

@@ -1,7 +1,7 @@
 
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
-    ext.kotlin_version = '1.8.0' // Updated to be compatible with Gradle 8.x
+    ext.kotlin_version = '1.9.22' // Updated for Compose Compiler 1.5.8 compatibility
     repositories {
         google()
         mavenCentral()