feat: tabbed station libraries, SomaFM integration, and settings panel

Add tabbed playlist UI with SomaFM as a built-in library including live
listener counts, station hiding, and stream quality selection. Implement
settings panel with quality preferences, listening history, and playlist
import/export improvements. Includes DB migrations 1-4, SomaFM seed
data, stream resolver, and now-playing history logging.

Made-with: Cursor

app/build.gradle.kts

@@ -65,6 +65,8 @@ dependencies {
     implementation(libs.material)
     implementation(libs.coil.compose)
     implementation(libs.coil.network)
+    implementation(libs.cloudy)
+    implementation(libs.palette)
 
     testImplementation(libs.junit)
     testImplementation(libs.mockk)