feat: Enhance architecture and performance optimizations

- Updated architecture documentation to reflect changes in data layer and caching strategies.
- Implemented LRU caching for key pair generation and private key hash to improve performance.
- Refactored DatabaseService to include LRU caching for encrypted accounts, reducing database query times.
- Introduced a search bar in SelectAccountScreen for filtering accounts, enhancing user experience.
- Adjusted UI components for better spacing and consistency.
- Updated build.gradle.kts to support Java 17 and Room incremental annotation processing.
- Modified gradle.properties to include necessary JVM arguments for Java 17 compatibility.

app/build.gradle.kts

@@ -1,7 +1,7 @@
 plugins {
     id("com.android.application")
     id("org.jetbrains.kotlin.android")
-    kotlin("kapt")
+    // kotlin("kapt") // Временно отключено из-за проблемы с Java 21
 }
 
 android {
@@ -19,6 +19,15 @@ android {
         vectorDrawables {
             useSupportLibrary = true
         }
+        
+        javaCompileOptions {
+            annotationProcessorOptions {
+                arguments += mapOf(
+                    "room.schemaLocation" to "$projectDir/schemas",
+                    "room.incremental" to "true"
+                )
+            }
+        }
     }
 
     buildTypes {
@@ -31,11 +40,14 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "17"
+        freeCompilerArgs += listOf(
+            "-Xjvm-default=all"
+        )
     }
     buildFeatures {
         compose = true
@@ -92,7 +104,7 @@ dependencies {
     // Room for database
     implementation("androidx.room:room-runtime:2.6.1")
     implementation("androidx.room:room-ktx:2.6.1")
-    kapt("androidx.room:room-compiler:2.6.1")
+    // kapt("androidx.room:room-compiler:2.6.1") // Временно отключено
     
     // Biometric authentication
     implementation("androidx.biometric:biometric:1.1.0")