### fix: Aktualisiere Gradle und Kotlin Versionen

- **gradle-wrapper.properties:** Upgegrade von Gradle 9.4.1 zu 9.5.1.
- **libs.versions.toml:** Upgegrade von Kotlin 2.3.20 zu 2.4.0.
- **gradle.properties:** Entferne veraltete `kotlin.mpp.androidSourceSetLayoutVersion`.
- **.aiassistant/rules/Meldestelle-Guidelines.md:** Füge neue Guidelines hinzu.

Signed-off-by: StefanMoCoAt <stefan.mo.co@gmail.com>

.aiassistant/rules/Meldestelle-Guidelines.md

@@ -0,0 +1,4 @@
+---
+apply: always
+---
+

gradle.properties

@@ -40,7 +40,6 @@ org.gradle.dependency.locking.enabled=true
 io.ktor.development=true
 
 # IDE Configuration
-kotlin.mpp.androidSourceSetLayoutVersion=2
 kotlin.mpp.enableCInteropCommonization=true
 org.jetbrains.kotlin.wasm.check.wasm.binary.format=false
 kotlin.native.ignoreDisabledTargets=true

gradle/libs.versions.toml

@@ -7,7 +7,7 @@
 # === FRONTEND & KMP CORE ===
 # ==============================================================================
 # Kotlin & Tooling
-kotlin = "2.3.20"
+kotlin = "2.4.0"
 ksp = "2.3.4"
 
 # KotlinX (Core Libraries)

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME