Large changes to the UI ( and matching backend) to allow for chat threads, system prompt changes, and starting the MLC LLM integration options for the backend AI switch/choice

app/build.gradle.kts

@@ -3,6 +3,7 @@ plugins {
     alias(libs.plugins.kotlin.android)
     alias(libs.plugins.kotlin.compose)
     id("com.chaquo.python") // Apply it here
+    id("kotlin-kapt") // Added for the Room Android database subsystem and libraries
 }
 
 chaquopy {
@@ -79,4 +80,9 @@ dependencies {
 
 
     coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:2.0.4")
+
+    // Room Database for local chat history
+    implementation("androidx.room:room-runtime:2.6.1")
+    implementation("androidx.room:room-ktx:2.6.1")
+    kapt("androidx.room:room-compiler:2.6.1")
 }