migrate(local-db): replace Room with SQLDelight for JS/WASM compatibility

Replaced Room with SQLDelight for improved multiplatform support, enabling JavaScript and WebAssembly targets. Added custom database driver implementations for JVM, JS, and WASM. Updated Gradle configurations, dependencies, and project structure accordingly.

frontend/shells/meldestelle-portal/build.gradle.kts

@@ -88,7 +88,6 @@ kotlin {
       implementation(libs.koin.compose.viewmodel)
 
       // Compose Multiplatform
-      // KORREKTUR: Verwendung der Plugin-Extension 'compose' statt hardcodierter Strings oder libs
       implementation(compose.runtime)
       implementation(compose.foundation)
       implementation(compose.material3)
@@ -96,25 +95,18 @@ kotlin {
       implementation(compose.components.resources)
       implementation(compose.materialIconsExtended)
 
-      // ViewModel lifecycle
-      implementation(libs.bundles.compose.common)
-
-      // Coroutines, Serialization, DateTime
-      // KORREKTUR: Explizite Auflistung statt Bundle, um Accessor-Probleme zu vermeiden
-      implementation(libs.kotlinx.coroutines.core)
-      implementation(libs.kotlinx.serialization.json)
-      implementation(libs.kotlinx.datetime)
+      // Bundles (Cleaned up dependencies)
+      implementation(libs.bundles.kmp.common)        // Coroutines, Serialization, DateTime
+      implementation(libs.bundles.compose.common)     // ViewModel & Lifecycle
     }
 
     jvmMain.dependencies {
       implementation(compose.desktop.currentOs)
       implementation(libs.kotlinx.coroutines.swing)
-      implementation(libs.kotlinx.coroutines.core)
       implementation(libs.koin.core)
     }
 
     jsMain.dependencies {
-      // KORREKTUR: compose.html.core statt libs.compose.html.core
       implementation(compose.html.core)
     }
 
@@ -124,12 +116,10 @@ kotlin {
       wasmJsMain.dependencies {
         implementation(libs.ktor.client.js) // WASM verwendet JS-Client [cite: 7]
 
-        // ✅ HINZUFÜGEN: Compose für shared UI components für WASM
-        // KORREKTUR: Verwendung der Plugin-Extension
+        // Compose für shared UI components für WASM
         implementation(compose.runtime)
         implementation(compose.foundation)
         implementation(compose.material3)
-
       }
     }
 

frontend/shells/meldestelle-portal/webpack.config.d/opfs-headers.js

@@ -0,0 +1,8 @@
+// Essenzielle Header für OPFS Support (SharedArrayBuffer)
+// Siehe: https://sqlite.org/wasm/doc/trunk/persistence.html#opfs
+config.devServer = config.devServer || {};
+config.devServer.headers = {
+  ...config.devServer.headers,
+    "Cross-Origin-Opener-Policy": "same-origin",
+    "Cross-Origin-Embedder-Policy": "require-corp"
+};