chore(build): integrate Detekt for static code analysis

- Add Detekt configuration and plugin to `build.gradle.kts`
- Update `codeql.yml` to include Detekt in the CI workflow
- Define Detekt settings in a new `detekt.yml` file

Author: kpavlov

.github/workflows/codeql.yml

@@ -71,6 +71,7 @@ jobs:
             :kotlin-sdk:compileKotlinJvm \
             :integration-test:compileKotlinJvm \
             :conformance-test:testClasses \
+            detekt \
             -Pkotlin.incremental=false \
             --no-daemon --stacktrace --rerun-tasks
 

build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     id("mcp.dokka")
+    alias(libs.plugins.detekt)
     alias(libs.plugins.ktlint)
     alias(libs.plugins.kover)
 }
@@ -18,6 +19,12 @@ dependencies {
 subprojects {
     apply(plugin = "org.jlleitschuh.gradle.ktlint")
     apply(plugin = "org.jetbrains.kotlinx.kover")
+    apply(plugin = "dev.detekt")
+
+    detekt {
+        config = files("$rootDir/detekt.yml")
+        buildUponDefaultConfig = true
+    }
 }
 
 dokka {

detekt.yml

@@ -0,0 +1,3 @@
+config:
+  validation: true
+  warningsAsErrors: true

gradle/libs.versions.toml

@@ -1,13 +1,14 @@
 [versions]
 # plugins version
-kotlin = "2.2.21"
-dokka = "2.1.0"
 atomicfu = "0.29.0"
-ktlint = "14.0.1"
+binaryCompatibilityValidatorPlugin = "0.18.1"
+detekt = "2.0.0-alpha.1"
+dokka = "2.1.0"
+kotlin = "2.2.21"
 kover = "0.9.4"
-netty = "4.2.9.Final"
+ktlint = "14.0.1"
 mavenPublish = "0.35.0"
-binaryCompatibilityValidatorPlugin = "0.18.1"
+netty = "4.2.9.Final"
 openapi-generator = "7.18.0"
 
 # libraries version
@@ -69,6 +70,7 @@ ktor-client-cio = { group = "io.ktor", name = "ktor-client-cio", version.ref = "
 ktor-server-cio = { group = "io.ktor", name = "ktor-server-cio", version.ref = "ktor" }
 
 [plugins]
+detekt = { id = "dev.detekt", version.ref = "detekt" }
 kotlinx-binary-compatibility-validator = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version.ref = "binaryCompatibilityValidatorPlugin" }
 kover = { id = "org.jetbrains.kotlinx.kover", version.ref = "kover" }
 ktlint = { id = "org.jlleitschuh.gradle.ktlint", version.ref = "ktlint" }