chore(deps): bump kotlin from 2.4.10 to 2.4.20 in /samples/simple-streamable-server (#996)

Bumps `kotlin` from 2.4.10 to 2.4.20.
Updates `org.jetbrains.kotlin.jvm` from 2.4.10 to 2.4.20
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/JetBrains/kotlin/releases">org.jetbrains.kotlin.jvm's
releases</a>.</em></p>
<blockquote>
<h2>Kotlin 2.4.20</h2>
<h2>Changelog</h2>
<h3>Analysis API</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86546"><code>KT-86546</code></a>
Check suspicious when over ConeKotlinType in
ConeTypeCompatibilityChecker</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85418"><code>KT-85418</code></a>
Implement an API for accessing deserialized file annotations in Analysis
API</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-74448"><code>KT-74448</code></a>
K2. False positive MISSING_DEPENDENCY_SUPERCLASS in LinkedListTest.kt,
kotlinx.coroutines</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85856"><code>KT-85856</code></a>
containingSymbol of constructor property differs for local and non-local
classes</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-65417"><code>KT-65417</code></a>
K2 IDE: KTOR false positive expect-actual matching error on enum class
because of implicit clone() in non-JVM source sets</li>
</ul>
<h3>Analysis API. Code Compilation</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-76457"><code>KT-76457</code></a>
K2 IDE / KMP Debugger: KISEWA “Cannot compile a common source without a
JVM counterpart” on evaluating inline fun from common module inside
jvm</li>
</ul>
<h3>Analysis API. FIR</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-70552"><code>KT-70552</code></a>
No expects for actual</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-69727"><code>KT-69727</code></a>
K2 IDE. Wrong error in the editor on calling <code>clone</code> function
of actual enum instance in non-jvm platform</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-69726"><code>KT-69726</code></a>
FP errors on declaring <code>fun clone()</code> in actual enum in
not-jvm source-set</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86014"><code>KT-86014</code></a>
Types are broken after remove parameter through change signature</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86363"><code>KT-86363</code></a>
KotlinIllegalArgumentExceptionWithAttachments: No dangling modifier
found on companion blocks</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86147"><code>KT-86147</code></a>
Drop <code>kotlin.parallel.resolve.under.global.lock</code> registry
key</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85543"><code>KT-85543</code></a>
Avoid lazy resolve for the contracts phase if no constracts might be
resolved</li>
</ul>
<h3>Analysis API. Infrastructure</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-84914"><code>KT-84914</code></a>
Do not publish analysis-api-test-framework</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86986"><code>KT-86986</code></a>
<code>kotlin-compiler-common-for-ide</code> bundles unrelated Analysis
API modules</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86186"><code>KT-86186</code></a>
Analysis API: Codebase tests run twice in some analysis modules — pick a
single JUnit runner and migrate</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85360"><code>KT-85360</code></a>
Drop kotlin-compiler-testdata-for-ide artifact</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85585"><code>KT-85585</code></a>
Simplify the dependencies graph for the Analysis API modules</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85381"><code>KT-85381</code></a>
Remove tests for the FE10 implementation</li>
</ul>
<h3>Analysis API. Light Classes</h3>
<h4>New Features</h4>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-84645"><code>KT-84645</code></a>
Support resolving to companion block members &amp; extensions from Java
(light classes)</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-80775"><code>KT-80775</code></a>
Support PsiClass#getRecordComponents in light classes</li>
</ul>
<h4>Fixes</h4>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-57537"><code>KT-57537</code></a>
SLC: propagate default parameter value from (<code>@JvmOverloads</code>)
<code>expect</code> declarations to <code>actual</code>
declarations</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85040"><code>KT-85040</code></a>
[Analysis API] Improve Java / Kotlin interop in KMP projects</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87301"><code>KT-87301</code></a>
SymbolLightAccessorMethod#isValid returns false for delegated
properties</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87171"><code>KT-87171</code></a>
SLC: non-mapped Kotlin collection supertype is dropped from supertype
list</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87250"><code>KT-87250</code></a>
JvmExposeBoxed: light classes shouldn't be autogenerated for private
declarations</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-70428"><code>KT-70428</code></a>
AA: good code is red when a Java class extends a Kotlin class
implementing MutableList by delegation</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-63568"><code>KT-63568</code></a>
Symbol Light Classes:
KtAnnotationApplicationWithArgumentsInfo.normalizedArguments() may work
incorrectly when psi is not set</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md">org.jetbrains.kotlin.jvm's
changelog</a>.</em></p>
<blockquote>
<h2>2.4.20</h2>
<h3>Analysis API</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86546"><code>KT-86546</code></a>
Check suspicious when over ConeKotlinType in
ConeTypeCompatibilityChecker</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85418"><code>KT-85418</code></a>
Implement an API for accessing deserialized file annotations in Analysis
API</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-74448"><code>KT-74448</code></a>
K2. False positive MISSING_DEPENDENCY_SUPERCLASS in LinkedListTest.kt,
kotlinx.coroutines</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85856"><code>KT-85856</code></a>
containingSymbol of constructor property differs for local and non-local
classes</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-65417"><code>KT-65417</code></a>
K2 IDE: KTOR false positive expect-actual matching error on enum class
because of implicit clone() in non-JVM source sets</li>
</ul>
<h3>Analysis API. Code Compilation</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-76457"><code>KT-76457</code></a>
K2 IDE / KMP Debugger: KISEWA “Cannot compile a common source without a
JVM counterpart” on evaluating inline fun from common module inside
jvm</li>
</ul>
<h3>Analysis API. FIR</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-70552"><code>KT-70552</code></a>
No expects for actual</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-69727"><code>KT-69727</code></a>
K2 IDE. Wrong error in the editor on calling <code>clone</code> function
of actual enum instance in non-jvm platform</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-69726"><code>KT-69726</code></a>
FP errors on declaring <code>fun clone()</code> in actual enum in
not-jvm source-set</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86014"><code>KT-86014</code></a>
Types are broken after remove parameter through change signature</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86363"><code>KT-86363</code></a>
KotlinIllegalArgumentExceptionWithAttachments: No dangling modifier
found on companion blocks</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86147"><code>KT-86147</code></a>
Drop <code>kotlin.parallel.resolve.under.global.lock</code> registry
key</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85543"><code>KT-85543</code></a>
Avoid lazy resolve for the contracts phase if no constracts might be
resolved</li>
</ul>
<h3>Analysis API. Infrastructure</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-84914"><code>KT-84914</code></a>
Do not publish analysis-api-test-framework</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86986"><code>KT-86986</code></a>
<code>kotlin-compiler-common-for-ide</code> bundles unrelated Analysis
API modules</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86186"><code>KT-86186</code></a>
Analysis API: Codebase tests run twice in some analysis modules — pick a
single JUnit runner and migrate</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85360"><code>KT-85360</code></a>
Drop kotlin-compiler-testdata-for-ide artifact</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85585"><code>KT-85585</code></a>
Simplify the dependencies graph for the Analysis API modules</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85381"><code>KT-85381</code></a>
Remove tests for the FE10 implementation</li>
</ul>
<h3>Analysis API. Light Classes</h3>
<h4>New Features</h4>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-84645"><code>KT-84645</code></a>
Support resolving to companion block members &amp; extensions from Java
(light classes)</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-80775"><code>KT-80775</code></a>
Support PsiClass#getRecordComponents in light classes</li>
</ul>
<h4>Fixes</h4>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-57537"><code>KT-57537</code></a>
SLC: propagate default parameter value from (<code>@JvmOverloads</code>)
<code>expect</code> declarations to <code>actual</code>
declarations</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85040"><code>KT-85040</code></a>
[Analysis API] Improve Java / Kotlin interop in KMP projects</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87301"><code>KT-87301</code></a>
SymbolLightAccessorMethod#isValid returns false for delegated
properties</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87171"><code>KT-87171</code></a>
SLC: non-mapped Kotlin collection supertype is dropped from supertype
list</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87250"><code>KT-87250</code></a>
JvmExposeBoxed: light classes shouldn't be autogenerated for private
declarations</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-70428"><code>KT-70428</code></a>
AA: good code is red when a Java class extends a Kotlin class
implementing MutableList by delegation</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-63568"><code>KT-63568</code></a>
Symbol Light Classes:
KtAnnotationApplicationWithArgumentsInfo.normalizedArguments() may work
incorrectly when psi is not set</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-36740"><code>KT-36740</code></a>
MPP: False-positive incompatible types in .java when using expect-class
returned by non-expect member from common when actual is actual
typealias</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="890ac1d94f"><code>890ac1d</code></a>
Add Changelog for 2.4.20-RC3</li>
<li><a
href="8860aed4ae"><code>8860aed</code></a>
🍒 [FIR] Fix suspend conversion when expected type is nullable (<a
href="https://redirect.github.com/JetBrains/kotlin/issues/7769">#7769</a>)</li>
<li><a
href="ab5bcd9428"><code>ab5bcd9</code></a>
Edit ChangeLog for 2.4.20-RC2</li>
<li><a
href="9464edc097"><code>9464edc</code></a>
Add ChangeLog for 2.4.20-RC2</li>
<li><a
href="0261e43b78"><code>0261e43</code></a>
Cherry-pick &quot;Fix <code>asBodyAndResultVar</code> call in
`visitInlinedLambdaInComposable...</li>
<li><a
href="0763513670"><code>0763513</code></a>
[box-tests] Workaround for klib compatibility tests (<a
href="https://redirect.github.com/JetBrains/kotlin/issues/7626">#7626</a>)</li>
<li><a
href="045aec6647"><code>045aec6</code></a>
[Wasm] Append scripts from webpack.config.d in the end of the file (<a
href="https://redirect.github.com/JetBrains/kotlin/issues/7615">#7615</a>)</li>
<li><a
href="cd7173bf0b"><code>cd7173b</code></a>
🍒 [2.4.20] [K/JS] Keep associated obj annotation only if getInstance
survives...</li>
<li><a
href="d36a2ffbcc"><code>d36a2ff</code></a>
CastsOptimizationPass: break aliases cycles (<a
href="https://redirect.github.com/JetBrains/kotlin/issues/7578">#7578</a>)</li>
<li><a
href="8664983b34"><code>8664983</code></a>
[CLI] Restore custom IC search scope creation</li>
<li>Additional commits viewable in <a
href="https://github.com/JetBrains/kotlin/compare/v2.4.10...v2.4.20">compare
view</a></li>
</ul>
</details>
<br />

Updates `org.jetbrains.kotlin.plugin.serialization` from 2.4.10 to
2.4.20
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/JetBrains/kotlin/releases">org.jetbrains.kotlin.plugin.serialization's
releases</a>.</em></p>
<blockquote>
<h2>Kotlin 2.4.20</h2>
<h2>Changelog</h2>
<h3>Analysis API</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86546"><code>KT-86546</code></a>
Check suspicious when over ConeKotlinType in
ConeTypeCompatibilityChecker</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85418"><code>KT-85418</code></a>
Implement an API for accessing deserialized file annotations in Analysis
API</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-74448"><code>KT-74448</code></a>
K2. False positive MISSING_DEPENDENCY_SUPERCLASS in LinkedListTest.kt,
kotlinx.coroutines</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85856"><code>KT-85856</code></a>
containingSymbol of constructor property differs for local and non-local
classes</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-65417"><code>KT-65417</code></a>
K2 IDE: KTOR false positive expect-actual matching error on enum class
because of implicit clone() in non-JVM source sets</li>
</ul>
<h3>Analysis API. Code Compilation</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-76457"><code>KT-76457</code></a>
K2 IDE / KMP Debugger: KISEWA “Cannot compile a common source without a
JVM counterpart” on evaluating inline fun from common module inside
jvm</li>
</ul>
<h3>Analysis API. FIR</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-70552"><code>KT-70552</code></a>
No expects for actual</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-69727"><code>KT-69727</code></a>
K2 IDE. Wrong error in the editor on calling <code>clone</code> function
of actual enum instance in non-jvm platform</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-69726"><code>KT-69726</code></a>
FP errors on declaring <code>fun clone()</code> in actual enum in
not-jvm source-set</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86014"><code>KT-86014</code></a>
Types are broken after remove parameter through change signature</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86363"><code>KT-86363</code></a>
KotlinIllegalArgumentExceptionWithAttachments: No dangling modifier
found on companion blocks</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86147"><code>KT-86147</code></a>
Drop <code>kotlin.parallel.resolve.under.global.lock</code> registry
key</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85543"><code>KT-85543</code></a>
Avoid lazy resolve for the contracts phase if no constracts might be
resolved</li>
</ul>
<h3>Analysis API. Infrastructure</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-84914"><code>KT-84914</code></a>
Do not publish analysis-api-test-framework</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86986"><code>KT-86986</code></a>
<code>kotlin-compiler-common-for-ide</code> bundles unrelated Analysis
API modules</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86186"><code>KT-86186</code></a>
Analysis API: Codebase tests run twice in some analysis modules — pick a
single JUnit runner and migrate</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85360"><code>KT-85360</code></a>
Drop kotlin-compiler-testdata-for-ide artifact</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85585"><code>KT-85585</code></a>
Simplify the dependencies graph for the Analysis API modules</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85381"><code>KT-85381</code></a>
Remove tests for the FE10 implementation</li>
</ul>
<h3>Analysis API. Light Classes</h3>
<h4>New Features</h4>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-84645"><code>KT-84645</code></a>
Support resolving to companion block members &amp; extensions from Java
(light classes)</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-80775"><code>KT-80775</code></a>
Support PsiClass#getRecordComponents in light classes</li>
</ul>
<h4>Fixes</h4>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-57537"><code>KT-57537</code></a>
SLC: propagate default parameter value from (<code>@JvmOverloads</code>)
<code>expect</code> declarations to <code>actual</code>
declarations</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85040"><code>KT-85040</code></a>
[Analysis API] Improve Java / Kotlin interop in KMP projects</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87301"><code>KT-87301</code></a>
SymbolLightAccessorMethod#isValid returns false for delegated
properties</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87171"><code>KT-87171</code></a>
SLC: non-mapped Kotlin collection supertype is dropped from supertype
list</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87250"><code>KT-87250</code></a>
JvmExposeBoxed: light classes shouldn't be autogenerated for private
declarations</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-70428"><code>KT-70428</code></a>
AA: good code is red when a Java class extends a Kotlin class
implementing MutableList by delegation</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-63568"><code>KT-63568</code></a>
Symbol Light Classes:
KtAnnotationApplicationWithArgumentsInfo.normalizedArguments() may work
incorrectly when psi is not set</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md">org.jetbrains.kotlin.plugin.serialization's
changelog</a>.</em></p>
<blockquote>
<h2>2.4.20</h2>
<h3>Analysis API</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86546"><code>KT-86546</code></a>
Check suspicious when over ConeKotlinType in
ConeTypeCompatibilityChecker</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85418"><code>KT-85418</code></a>
Implement an API for accessing deserialized file annotations in Analysis
API</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-74448"><code>KT-74448</code></a>
K2. False positive MISSING_DEPENDENCY_SUPERCLASS in LinkedListTest.kt,
kotlinx.coroutines</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85856"><code>KT-85856</code></a>
containingSymbol of constructor property differs for local and non-local
classes</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-65417"><code>KT-65417</code></a>
K2 IDE: KTOR false positive expect-actual matching error on enum class
because of implicit clone() in non-JVM source sets</li>
</ul>
<h3>Analysis API. Code Compilation</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-76457"><code>KT-76457</code></a>
K2 IDE / KMP Debugger: KISEWA “Cannot compile a common source without a
JVM counterpart” on evaluating inline fun from common module inside
jvm</li>
</ul>
<h3>Analysis API. FIR</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-70552"><code>KT-70552</code></a>
No expects for actual</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-69727"><code>KT-69727</code></a>
K2 IDE. Wrong error in the editor on calling <code>clone</code> function
of actual enum instance in non-jvm platform</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-69726"><code>KT-69726</code></a>
FP errors on declaring <code>fun clone()</code> in actual enum in
not-jvm source-set</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86014"><code>KT-86014</code></a>
Types are broken after remove parameter through change signature</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86363"><code>KT-86363</code></a>
KotlinIllegalArgumentExceptionWithAttachments: No dangling modifier
found on companion blocks</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86147"><code>KT-86147</code></a>
Drop <code>kotlin.parallel.resolve.under.global.lock</code> registry
key</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85543"><code>KT-85543</code></a>
Avoid lazy resolve for the contracts phase if no constracts might be
resolved</li>
</ul>
<h3>Analysis API. Infrastructure</h3>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-84914"><code>KT-84914</code></a>
Do not publish analysis-api-test-framework</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86986"><code>KT-86986</code></a>
<code>kotlin-compiler-common-for-ide</code> bundles unrelated Analysis
API modules</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-86186"><code>KT-86186</code></a>
Analysis API: Codebase tests run twice in some analysis modules — pick a
single JUnit runner and migrate</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85360"><code>KT-85360</code></a>
Drop kotlin-compiler-testdata-for-ide artifact</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85585"><code>KT-85585</code></a>
Simplify the dependencies graph for the Analysis API modules</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85381"><code>KT-85381</code></a>
Remove tests for the FE10 implementation</li>
</ul>
<h3>Analysis API. Light Classes</h3>
<h4>New Features</h4>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-84645"><code>KT-84645</code></a>
Support resolving to companion block members &amp; extensions from Java
(light classes)</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-80775"><code>KT-80775</code></a>
Support PsiClass#getRecordComponents in light classes</li>
</ul>
<h4>Fixes</h4>
<ul>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-57537"><code>KT-57537</code></a>
SLC: propagate default parameter value from (<code>@JvmOverloads</code>)
<code>expect</code> declarations to <code>actual</code>
declarations</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-85040"><code>KT-85040</code></a>
[Analysis API] Improve Java / Kotlin interop in KMP projects</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87301"><code>KT-87301</code></a>
SymbolLightAccessorMethod#isValid returns false for delegated
properties</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87171"><code>KT-87171</code></a>
SLC: non-mapped Kotlin collection supertype is dropped from supertype
list</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-87250"><code>KT-87250</code></a>
JvmExposeBoxed: light classes shouldn't be autogenerated for private
declarations</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-70428"><code>KT-70428</code></a>
AA: good code is red when a Java class extends a Kotlin class
implementing MutableList by delegation</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-63568"><code>KT-63568</code></a>
Symbol Light Classes:
KtAnnotationApplicationWithArgumentsInfo.normalizedArguments() may work
incorrectly when psi is not set</li>
<li><a
href="https://youtrack.jetbrains.com/issue/KT-36740"><code>KT-36740</code></a>
MPP: False-positive incompatible types in .java when using expect-class
returned by non-expect member from common when actual is actual
typealias</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="890ac1d94f"><code>890ac1d</code></a>
Add Changelog for 2.4.20-RC3</li>
<li><a
href="8860aed4ae"><code>8860aed</code></a>
🍒 [FIR] Fix suspend conversion when expected type is nullable (<a
href="https://redirect.github.com/JetBrains/kotlin/issues/7769">#7769</a>)</li>
<li><a
href="ab5bcd9428"><code>ab5bcd9</code></a>
Edit ChangeLog for 2.4.20-RC2</li>
<li><a
href="9464edc097"><code>9464edc</code></a>
Add ChangeLog for 2.4.20-RC2</li>
<li><a
href="0261e43b78"><code>0261e43</code></a>
Cherry-pick &quot;Fix <code>asBodyAndResultVar</code> call in
`visitInlinedLambdaInComposable...</li>
<li><a
href="0763513670"><code>0763513</code></a>
[box-tests] Workaround for klib compatibility tests (<a
href="https://redirect.github.com/JetBrains/kotlin/issues/7626">#7626</a>)</li>
<li><a
href="045aec6647"><code>045aec6</code></a>
[Wasm] Append scripts from webpack.config.d in the end of the file (<a
href="https://redirect.github.com/JetBrains/kotlin/issues/7615">#7615</a>)</li>
<li><a
href="cd7173bf0b"><code>cd7173b</code></a>
🍒 [2.4.20] [K/JS] Keep associated obj annotation only if getInstance
survives...</li>
<li><a
href="d36a2ffbcc"><code>d36a2ff</code></a>
CastsOptimizationPass: break aliases cycles (<a
href="https://redirect.github.com/JetBrains/kotlin/issues/7578">#7578</a>)</li>
<li><a
href="8664983b34"><code>8664983</code></a>
[CLI] Restore custom IC search scope creation</li>
<li>Additional commits viewable in <a
href="https://github.com/JetBrains/kotlin/compare/v2.4.10...v2.4.20">compare
view</a></li>
</ul>
</details>
<br />

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/apidocs.yaml

@@ -24,17 +24,17 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK ${{ env.JAVA_VERSION }}
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: ${{ env.JAVA_DISTRIBUTION }}
           cache: gradle
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
 
       - name: Generate Dokka Site
         run: |-

.github/workflows/automations.yml

@@ -27,7 +27,7 @@ jobs:
     name: Mark/unmark stale PRs and issues
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/stale@v10
+    - uses: actions/stale@v11
       with:
         debug-only: ${{ env.DRY_RUN }}
         exempt-draft-pr: true
@@ -66,7 +66,7 @@ jobs:
     name: Close stale PRs and issues
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/stale@v10
+    - uses: actions/stale@v11
       with:
         debug-only: ${{ env.DRY_RUN }}
         only-labels: 'stale'

.github/workflows/build.yml

@@ -43,17 +43,17 @@ jobs:
             max-workers: 2
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK ${{ env.JAVA_VERSION }}
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: ${{ env.JAVA_DISTRIBUTION }}
 
       - name: Set up Node.js
         if: matrix.os == 'ubuntu-latest'
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           node-version: '22' # increase only after https://github.com/nodejs/node/issues/56645 will be fixed
 
@@ -63,7 +63,7 @@ jobs:
         run: npm ci
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
         with:
           validate-wrappers: true
           add-job-summary: 'always'
@@ -126,16 +126,16 @@ jobs:
       contents: read
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK ${{ env.JAVA_VERSION }}
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: ${{ env.JAVA_DISTRIBUTION }}
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
         with:
           validate-wrappers: true
           add-job-summary: 'always'
@@ -168,16 +168,16 @@ jobs:
     name: "Build Sample: ${{ matrix.sample }}"
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK ${{ env.JAVA_VERSION }}
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: ${{ env.JAVA_DISTRIBUTION }}
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
         with:
           add-job-summary: 'always'
           cache-read-only: true

.github/workflows/codeql.yml

@@ -25,22 +25,22 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up JDK ${{ env.JAVA_VERSION }}
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           distribution: ${{ env.JAVA_DISTRIBUTION }}
           java-version: ${{ env.JAVA_VERSION }}
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@v4.38.0
         with:
           languages: java-kotlin
           build-mode: manual
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
         with:
           validate-wrappers: true
           cache-read-only: true
@@ -52,6 +52,6 @@ jobs:
             --no-daemon --rerun-tasks --stacktrace
 
       - name: Analyze
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@v4.38.0
         with:
           category: '/language:java-kotlin'

.github/workflows/conformance.yml

@@ -25,16 +25,16 @@ jobs:
     timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: ${{ env.JAVA_DISTRIBUTION }}
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
         with:
           cache-read-only: ${{ github.ref != 'refs/heads/main' }}
 
@@ -76,16 +76,16 @@ jobs:
           - sse-retry
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: ${{ env.JAVA_DISTRIBUTION }}
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
         with:
           cache-read-only: ${{ github.ref != 'refs/heads/main' }}
 
@@ -107,16 +107,16 @@ jobs:
     timeout-minutes: 20
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: ${{ env.JAVA_DISTRIBUTION }}
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
         with:
           cache-read-only: ${{ github.ref != 'refs/heads/main' }}
 
@@ -146,16 +146,16 @@ jobs:
           - auth/cross-app-access-complete-flow
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: ${{ env.JAVA_DISTRIBUTION }}
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
         with:
           cache-read-only: ${{ github.ref != 'refs/heads/main' }}
 

.github/workflows/gradle-publish.yml

@@ -17,20 +17,20 @@ jobs:
       packages: write
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up JDK 21
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: '21'
           distribution: 'temurin'
 
       - name: Set up Node.js
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v7
         with:
           node-version: '22' # increase only after https://github.com/nodejs/node/issues/56645 will be fixed
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
 
       - name: Check
         run: ./gradlew check --no-configuration-cache

.github/workflows/samples.yml

@@ -36,16 +36,16 @@ jobs:
     name: Build Sample (${{ matrix.sample }})
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK ${{ env.JAVA_VERSION }}
-        uses: actions/setup-java@v5
+        uses: actions/setup-java@v6
         with:
           java-version: ${{ env.JAVA_VERSION }}
           distribution: ${{ env.JAVA_DISTRIBUTION }}
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v6
+        uses: gradle/actions/setup-gradle@v6.3.0
         with:
           validate-wrappers: true
           add-job-summary: 'always'

.gitignore

@@ -56,7 +56,7 @@ node_modules
 dist
 
 ### SWE agents ###
-.claude/settings.local.json
+.claude/
 .junie/
 
 ### Conformance test results ###

README.md

@@ -729,7 +729,7 @@ val client = Client(
 )
 
 client.setRequestHandler<CreateMessageRequest>(Method.Defined.SamplingCreateMessage) { request, _ ->
-    val content = request.messages.lastOrNull()?.content
+    val content = request.messages.lastOrNull()?.content?.firstOrNull()
     val prompt = if (content is TextContent) content.text else "your topic"
     CreateMessageResult(
         model = "gpt-4o-mini",

config/detekt/detekt.yml

@@ -416,7 +416,6 @@ potential-bugs:
   Deprecation:
     active: false
     aliases: ['DEPRECATION']
-    excludeImportStatements: false
   DontDowncastCollectionTypes:
     active: false
   DoubleMutabilityForCollection:

conformance-test/src/main/kotlin/io/modelcontextprotocol/kotlin/sdk/conformance/ConformanceServer.kt

@@ -12,8 +12,6 @@ fun main() {
     val port = System.getenv("MCP_PORT")?.toIntOrNull() ?: 3001
     embeddedServer(CIO, port = port) {
         mcpStreamableHttp(
-            enableDnsRebindingProtection = true,
-            allowedHosts = listOf("localhost", "127.0.0.1", "localhost:$port", "127.0.0.1:$port"),
             eventStore = InMemoryEventStore(),
         ) {
             createConformanceServer()

conformance-test/src/main/kotlin/io/modelcontextprotocol/kotlin/sdk/conformance/ConformanceTools.kt

@@ -179,7 +179,13 @@ fun Server.registerConformanceTools() {
                 ),
             ),
         )
-        CallToolResult(listOf(TextContent(result.content.joinToString("\n") { it.toString() })))
+        val sampledText = result.content.joinToString("\n") { content ->
+            when (content) {
+                is TextContent -> content.text
+                else -> "Non-text sampling content: ${content::class.simpleName}"
+            }
+        }
+        CallToolResult(listOf(TextContent(sampledText)))
     }
 
     // 9. Elicitation

gradle.properties

@@ -8,4 +8,4 @@ kotlin.daemon.jvmargs=-Xmx4G
 kotlin.native.ignoreDisabledTargets=true
 
 group=io.modelcontextprotocol
-version=0.12.0
+version=0.15.0

gradle/libs.versions.toml

@@ -1,30 +1,29 @@
 [versions]
 # plugins version
-atomicfu = "0.32.1"
-binaryCompatibilityValidatorPlugin = "0.18.1"
-detekt = "2.0.0-alpha.3"
+atomicfu = "0.33.0"
+binaryCompatibilityValidatorPlugin = "0.18.2"
+detekt = "2.0.0-alpha.6"
 dokka = "2.2.0"
-kotlin = "2.3.21"
-kover = "0.9.8"
+kotlin = "2.4.10"
+kover = "0.9.9"
 ktlint = "14.2.0"
 knit = "0.5.1"
-mavenPublish = "0.36.0"
-netty = "4.2.12.Final"
+mavenPublish = "0.37.0"
+netty = "4.2.18.Final"
 
 # libraries version
 awaitility = "4.3.0"
-collections-immutable = "0.4.0"
-coroutines = "1.10.2"
-kotest = "6.1.11"
-kotlinx-io = "0.9.0"
-ktor = "3.3.3"
-logging = "8.0.01"
-mockk = "1.14.9"
-mokksy = "0.8.1"
+collections-immutable = "0.5.2"
+coroutines = "1.11.0"
+kotest = "6.2.5"
+kotlinx-io = "0.9.1"
+ktor = "3.5.2"
+logging = "8.0.4"
+mockk = "1.14.11"
 serialization = "1.11.0"
-slf4j = "2.0.17"
-logback = "1.5.32"
-junit = "5.14.3"
+slf4j = "2.0.19"
+logback = "1.6.3"
+junit = "5.14.4"
 
 [libraries]
 # Plugins
@@ -65,7 +64,6 @@ kotlinx-coroutines-test = { group = "org.jetbrains.kotlinx", name = "kotlinx-cor
 ktor-client-mock = { group = "io.ktor", name = "ktor-client-mock", version.ref = "ktor" }
 ktor-server-test-host = { group = "io.ktor", name = "ktor-server-test-host", version.ref = "ktor" }
 mockk = { module = "io.mockk:mockk", version.ref = "mockk" }
-mokksy = { group = "dev.mokksy", name = "mokksy", version.ref = "mokksy" }
 netty-bom = { group = "io.netty", name = "netty-bom", version.ref = "netty" }
 slf4j-simple = { group = "org.slf4j", name = "slf4j-simple", version.ref = "slf4j" }
 logback-classic = { group = "ch.qos.logback", name = "logback-classic", version.ref = "logback" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,9 @@
 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-9.7.1-bin.zip
 networkTimeout=10000
+retries=0
+retryBackOffMs=500
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -20,7 +20,7 @@
 
 ##############################################################################
 #
-#   Gradle start up script for POSIX generated by Gradle.
+#   gradlew start up script for POSIX generated by Gradle.
 #
 #   Important for running:
 #
@@ -29,7 +29,7 @@
 #       bash, then to run this script, type that shell name before the whole
 #       command line, like:
 #
-#           ksh Gradle
+#           ksh gradlew
 #
 #       Busybox and similar reduced shells will NOT work, because this script
 #       requires all of these POSIX shell features:
@@ -57,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/2d6327017519d23b96af35865dc997fcb544fb40/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/3d91ce3b8caaf77ad09f381f43615b715b53f72c/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.

gradlew.bat

@@ -1,93 +1,82 @@
-@rem
-@rem Copyright 2015 the original author or authors.
-@rem
-@rem Licensed under the Apache License, Version 2.0 (the "License");
-@rem you may not use this file except in compliance with the License.
-@rem You may obtain a copy of the License at
-@rem
-@rem      https://www.apache.org/licenses/LICENSE-2.0
-@rem
-@rem Unless required by applicable law or agreed to in writing, software
-@rem distributed under the License is distributed on an "AS IS" BASIS,
-@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-@rem See the License for the specific language governing permissions and
-@rem limitations under the License.
-@rem
-@rem SPDX-License-Identifier: Apache-2.0
-@rem
-
-@if "%DEBUG%"=="" @echo off
-@rem ##########################################################################
-@rem
-@rem  Gradle startup script for Windows
-@rem
-@rem ##########################################################################
-
-@rem Set local scope for the variables with windows NT shell
-if "%OS%"=="Windows_NT" setlocal
-
-set DIRNAME=%~dp0
-if "%DIRNAME%"=="" set DIRNAME=.
-@rem This is normally unused
-set APP_BASE_NAME=%~n0
-set APP_HOME=%DIRNAME%
-
-@rem Resolve any "." and ".." in APP_HOME to make it shorter.
-for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
-
-@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
-
-@rem Find java.exe
-if defined JAVA_HOME goto findJavaFromJavaHome
-
-set JAVA_EXE=java.exe
-%JAVA_EXE% -version >NUL 2>&1
-if %ERRORLEVEL% equ 0 goto execute
-
-echo. 1>&2
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
-echo. 1>&2
-echo Please set the JAVA_HOME variable in your environment to match the 1>&2
-echo location of your Java installation. 1>&2
-
-goto fail
-
-:findJavaFromJavaHome
-set JAVA_HOME=%JAVA_HOME:"=%
-set JAVA_EXE=%JAVA_HOME%/bin/java.exe
-
-if exist "%JAVA_EXE%" goto execute
-
-echo. 1>&2
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
-echo. 1>&2
-echo Please set the JAVA_HOME variable in your environment to match the 1>&2
-echo location of your Java installation. 1>&2
-
-goto fail
-
-:execute
-@rem Setup the command line
-
-
-
-@rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
-
-:end
-@rem End local scope for the variables with windows NT shell
-if %ERRORLEVEL% equ 0 goto mainEnd
-
-:fail
-rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
-rem the _cmd.exe /c_ return code!
-set EXIT_CODE=%ERRORLEVEL%
-if %EXIT_CODE% equ 0 set EXIT_CODE=1
-if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
-exit /b %EXIT_CODE%
-
-:mainEnd
-if "%OS%"=="Windows_NT" endlocal
-
-:omega
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+@rem SPDX-License-Identifier: Apache-2.0
+@rem
+
+@if "%DEBUG%"=="" @echo off
+@rem ##########################################################################
+@rem
+@rem  gradlew startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables, and ensure extensions are enabled
+setlocal EnableExtensions
+
+set DIRNAME=%~dp0
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if %ERRORLEVEL% equ 0 goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+"%COMSPEC%" /c exit 1
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
+
+"%COMSPEC%" /c exit 1
+
+:execute
+@rem Setup the command line
+
+
+
+@rem Execute gradlew
+@rem endlocal doesn't take effect until after the line is parsed and variables are expanded
+@rem which allows us to clear the local environment before executing the java command
+endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel
+
+:exitWithErrorLevel
+@rem Use "%COMSPEC%" /c exit to allow operators to work properly in scripts
+"%COMSPEC%" /c exit %ERRORLEVEL%

integration-test/src/commonTest/kotlin/io/modelcontextprotocol/kotlin/sdk/client/ClientTest.kt

@@ -14,13 +14,17 @@ import io.modelcontextprotocol.kotlin.sdk.types.CreateMessageResult
 import io.modelcontextprotocol.kotlin.sdk.types.DoubleSchema
 import io.modelcontextprotocol.kotlin.sdk.types.ElicitRequestFormParams
 import io.modelcontextprotocol.kotlin.sdk.types.ElicitRequestParams
+import io.modelcontextprotocol.kotlin.sdk.types.ElicitRequestURLParams
 import io.modelcontextprotocol.kotlin.sdk.types.ElicitResult
+import io.modelcontextprotocol.kotlin.sdk.types.ElicitationCompleteNotification
+import io.modelcontextprotocol.kotlin.sdk.types.ElicitationCompleteNotificationParams
 import io.modelcontextprotocol.kotlin.sdk.types.EmptyJsonObject
 import io.modelcontextprotocol.kotlin.sdk.types.Implementation
 import io.modelcontextprotocol.kotlin.sdk.types.InitializeRequest
 import io.modelcontextprotocol.kotlin.sdk.types.InitializeResult
 import io.modelcontextprotocol.kotlin.sdk.types.IntegerSchema
 import io.modelcontextprotocol.kotlin.sdk.types.JSONRPCMessage
+import io.modelcontextprotocol.kotlin.sdk.types.JSONRPCNotification
 import io.modelcontextprotocol.kotlin.sdk.types.JSONRPCRequest
 import io.modelcontextprotocol.kotlin.sdk.types.JSONRPCResponse
 import io.modelcontextprotocol.kotlin.sdk.types.LATEST_PROTOCOL_VERSION
@@ -46,8 +50,10 @@ import io.modelcontextprotocol.kotlin.sdk.types.Tool
 import io.modelcontextprotocol.kotlin.sdk.types.ToolSchema
 import io.modelcontextprotocol.kotlin.sdk.types.UntitledMultiSelectEnumSchema
 import io.modelcontextprotocol.kotlin.sdk.types.UntitledSingleSelectEnumSchema
+import io.modelcontextprotocol.kotlin.sdk.types.UrlElicitationRequiredException
 import kotlinx.coroutines.CompletableDeferred
 import kotlinx.coroutines.TimeoutCancellationException
+import kotlinx.coroutines.awaitCancellation
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.joinAll
@@ -67,6 +73,7 @@ import kotlin.test.assertIs
 import kotlin.test.assertNull
 import kotlin.test.assertTrue
 import kotlin.test.fail
+import kotlin.time.Duration.Companion.seconds
 
 class ClientTest {
     @Test
@@ -539,6 +546,15 @@ class ClientTest {
 
         val serverSession = serverSessionResult.await()
 
+        // Register the tap after createSession so it chains onto the session's subscription instead
+        // of pre-empting the handshake.
+        val cancelledOnWire = CompletableDeferred<Unit>()
+        serverTransport.onMessage { message ->
+            if (message is JSONRPCNotification && message.method == Method.Defined.NotificationsCancelled.value) {
+                cancelledOnWire.complete(Unit)
+            }
+        }
+
         serverSession.setRequestHandler<ListResourcesRequest>(Method.Defined.ResourcesList) { _, _ ->
             // Simulate delay
             def.complete(Unit)
@@ -564,6 +580,7 @@ class ClientTest {
         def.await()
         runCatching { job.cancel("Cancelled by test") }
         defCancel.await()
+        cancelledOnWire.await()
         defTimeOut.await()
     }
 
@@ -602,17 +619,9 @@ class ClientTest {
 
         val serverSession = serverSessionResult.await()
         serverSession.setRequestHandler<ListResourcesRequest>(Method.Defined.ResourcesList) { _, _ ->
-            // Simulate a delayed response
-            // Wait ~100ms unless canceled
-            try {
-                withTimeout(100L) {
-                    // Just delay here, if timeout is 0 on the client side, this won't return in time
-                    delay(100)
-                }
-            } catch (_: Exception) {
-                // If aborted, just rethrow or return early
-            }
-            ListResourcesResult(resources = emptyList())
+            // Never respond: the handler runs on a real dispatcher while the 1 ms timeout runs on the
+            // virtual test clock, so a real-time delay could race it. Parking keeps the test deterministic.
+            awaitCancellation()
         }
 
         // Request with 1 msec timeout should fail immediately
@@ -891,8 +900,8 @@ class ClientTest {
             ),
         )
 
-        // Track notifications
-        var rootListChangedNotificationReceived = false
+        // The handler runs on Dispatchers.Default after concurrent dispatch is enabled; await the deferred.
+        val rootListChangedReceived = CompletableDeferred<Unit>()
 
         val serverSessionResult = CompletableDeferred<ServerSession>()
 
@@ -911,16 +920,13 @@ class ClientTest {
         serverSession.setNotificationHandler<RootsListChangedNotification>(
             Method.Defined.NotificationsRootsListChanged,
         ) {
-            rootListChangedNotificationReceived = true
+            rootListChangedReceived.complete(Unit)
             CompletableDeferred(Unit)
         }
 
         client.sendRootsListChanged()
 
-        assertTrue(
-            rootListChangedNotificationReceived,
-            "Notification should be sent when sendRootsListChanged is called",
-        )
+        withTimeout(5.seconds) { rootListChangedReceived.await() }
     }
 
     @Test
@@ -1058,7 +1064,7 @@ class ClientTest {
             Implementation(name = "test client", version = "1.0"),
             ClientOptions(
                 capabilities = ClientCapabilities(
-                    elicitation = EmptyJsonObject,
+                    elicitation = ClientCapabilities.Elicitation(),
                 ),
             ),
         )
@@ -1118,6 +1124,103 @@ class ClientTest {
         assertEquals(elicitationResultContent, result.content)
     }
 
+    @Test
+    fun `should reject accepted elicitation content that does not match requested schema`() = runTest {
+        val requestedSchema = ElicitRequestParams.RequestedSchema(
+            properties = mapOf("name" to StringSchema()),
+            required = listOf("name"),
+        )
+        val (client, serverSession) = setupElicitationPair {
+            ElicitResult(action = ElicitResult.Action.Accept, content = buildJsonObject { put("name", 42) })
+        }
+
+        val exception = assertFailsWith<McpException> {
+            serverSession.createElicitation(message = "mismatch", requestedSchema = requestedSchema)
+        }
+        assertTrue(
+            exception.message.orEmpty()
+                .startsWith("Elicitation response content does not match requested schema: "),
+            "Unexpected message: ${exception.message}",
+        )
+        assertTrue("'name' must be string" in exception.message.orEmpty(), "Unexpected message: ${exception.message}")
+
+        client.close()
+    }
+
+    @Test
+    fun `should reject accepted elicitation without content when schema has required properties`() = runTest {
+        val requestedSchema = ElicitRequestParams.RequestedSchema(
+            properties = mapOf("name" to StringSchema()),
+            required = listOf("name"),
+        )
+        val (client, serverSession) = setupElicitationPair {
+            ElicitResult(action = ElicitResult.Action.Accept, content = null)
+        }
+
+        val exception = assertFailsWith<McpException> {
+            serverSession.createElicitation(message = "no content", requestedSchema = requestedSchema)
+        }
+        assertTrue(
+            "must have required property 'name'" in exception.message.orEmpty(),
+            "Unexpected message: ${exception.message}",
+        )
+
+        client.close()
+    }
+
+    @Test
+    fun `should accept elicitation without content when schema has no required properties`() = runTest {
+        val requestedSchema = ElicitRequestParams.RequestedSchema(
+            properties = mapOf("name" to StringSchema()),
+        )
+        val (client, serverSession) = setupElicitationPair {
+            ElicitResult(action = ElicitResult.Action.Accept, content = null)
+        }
+
+        val result = serverSession.createElicitation(message = "no required", requestedSchema = requestedSchema)
+
+        assertEquals(ElicitResult.Action.Accept, result.action)
+        assertNull(result.content)
+
+        client.close()
+    }
+
+    @Test
+    fun `should pass through declined elicitation without validation`() = runTest {
+        val requestedSchema = ElicitRequestParams.RequestedSchema(
+            properties = mapOf("name" to StringSchema()),
+            required = listOf("name"),
+        )
+        val (client, serverSession) = setupElicitationPair {
+            ElicitResult(action = ElicitResult.Action.Decline)
+        }
+
+        val result = serverSession.createElicitation(message = "decline", requestedSchema = requestedSchema)
+
+        assertEquals(ElicitResult.Action.Decline, result.action)
+        assertNull(result.content)
+
+        client.close()
+    }
+
+    @Test
+    fun `should pass through cancelled elicitation without validation`() = runTest {
+        val requestedSchema = ElicitRequestParams.RequestedSchema(
+            properties = mapOf("name" to StringSchema()),
+            required = listOf("name"),
+        )
+        val (client, serverSession) = setupElicitationPair {
+            ElicitResult(action = ElicitResult.Action.Cancel)
+        }
+
+        val result = serverSession.createElicitation(message = "cancel", requestedSchema = requestedSchema)
+
+        assertEquals(ElicitResult.Action.Cancel, result.action)
+        assertNull(result.content)
+
+        client.close()
+    }
+
     @Test
     fun `should apply elicitation defaults for missing fields in empty content`() = runTest {
         val schema = defaultsTestSchema()
@@ -1251,6 +1354,189 @@ class ClientTest {
         client.close()
     }
 
+    // ── URL-mode elicitation (SEP-1036) ─────────────────────────────────
+
+    @Test
+    fun `should handle URL mode elicitation end-to-end`() = runTest {
+        val client = Client(
+            Implementation(name = "test client", version = "1.0"),
+            ClientOptions(
+                capabilities = ClientCapabilities(
+                    elicitation = ClientCapabilities.Elicitation(url = EmptyJsonObject),
+                ),
+            ),
+        )
+
+        val elicitationId = "550e8400-e29b-41d4-a716-446655440000"
+        val url = "https://oauth.example.com/authorize"
+
+        client.setElicitationHandler { request ->
+            val params = assertIs<ElicitRequestURLParams>(request.params)
+            assertEquals(elicitationId, params.elicitationId)
+            assertEquals(url, params.url)
+            ElicitResult(action = ElicitResult.Action.Accept)
+        }
+
+        val (clientTransport, serverTransport) = InMemoryTransport.createLinkedPair()
+        val server = Server(
+            serverInfo = Implementation(name = "test server", version = "1.0"),
+            options = ServerOptions(capabilities = ServerCapabilities()),
+        )
+
+        val serverSessionResult = CompletableDeferred<ServerSession>()
+        listOf(
+            launch { client.connect(clientTransport) },
+            launch { serverSessionResult.complete(server.createSession(serverTransport)) },
+        ).joinAll()
+        val serverSession = serverSessionResult.await()
+
+        val result = serverSession.createElicitation(
+            message = "Authorize access to continue",
+            elicitationId = elicitationId,
+            url = url,
+        )
+
+        assertEquals(ElicitResult.Action.Accept, result.action)
+        assertNull(result.content)
+
+        client.close()
+    }
+
+    @Test
+    fun `should reject URL mode elicitation when client supports only form mode`() = runTest {
+        val (client, serverSession) = setupElicitationPair {
+            ElicitResult(action = ElicitResult.Action.Accept)
+        }
+
+        val exception = assertFailsWith<IllegalArgumentException> {
+            serverSession.createElicitation(
+                message = "Authorize",
+                elicitationId = "id-1",
+                url = "https://example.com/auth",
+            )
+        }
+        assertTrue(exception.message!!.contains("elicitation.url"))
+
+        client.close()
+    }
+
+    @Test
+    fun `should deliver elicitation complete notification to client`() = runTest {
+        val received = CompletableDeferred<ElicitationCompleteNotification>()
+        val client = Client(
+            Implementation(name = "test client", version = "1.0"),
+            ClientOptions(
+                capabilities = ClientCapabilities(
+                    elicitation = ClientCapabilities.Elicitation(url = EmptyJsonObject),
+                ),
+            ),
+        )
+        client.setElicitationCompleteHandler { received.complete(it) }
+
+        val (clientTransport, serverTransport) = InMemoryTransport.createLinkedPair()
+        val server = Server(
+            serverInfo = Implementation(name = "test server", version = "1.0"),
+            options = ServerOptions(capabilities = ServerCapabilities()),
+        )
+
+        val serverSessionResult = CompletableDeferred<ServerSession>()
+        listOf(
+            launch { client.connect(clientTransport) },
+            launch { serverSessionResult.complete(server.createSession(serverTransport)) },
+        ).joinAll()
+        val serverSession = serverSessionResult.await()
+
+        val elicitationId = "complete-id-1"
+        serverSession.sendElicitationComplete(
+            ElicitationCompleteNotification(ElicitationCompleteNotificationParams(elicitationId = elicitationId)),
+        )
+
+        val notification = received.await()
+        assertEquals(elicitationId, notification.params.elicitationId)
+
+        client.close()
+    }
+
+    @Test
+    fun `should reject elicitation complete when client supports only form mode`() = runTest {
+        val (client, serverSession) = setupElicitationPair {
+            ElicitResult(action = ElicitResult.Action.Accept)
+        }
+
+        val exception = assertFailsWith<IllegalArgumentException> {
+            serverSession.sendElicitationComplete(
+                ElicitationCompleteNotification(ElicitationCompleteNotificationParams(elicitationId = "id-1")),
+            )
+        }
+        assertTrue(exception.message!!.contains("elicitation.url"))
+
+        client.close()
+    }
+
+    @Test
+    fun `setElicitationCompleteHandler should require url capability`() = runTest {
+        val client = Client(
+            Implementation(name = "test client", version = "1.0"),
+            ClientOptions(
+                capabilities = ClientCapabilities(
+                    elicitation = ClientCapabilities.Elicitation(),
+                ),
+            ),
+        )
+
+        assertFailsWith<IllegalStateException> {
+            client.setElicitationCompleteHandler { }
+        }
+    }
+
+    @Test
+    fun `should surface URL elicitation required error to client as typed exception`() = runTest {
+        val client = Client(
+            Implementation(name = "test client", version = "1.0"),
+            ClientOptions(
+                capabilities = ClientCapabilities(
+                    elicitation = ClientCapabilities.Elicitation(url = EmptyJsonObject),
+                ),
+            ),
+        )
+
+        val elicitationId = "auth-required-1"
+        val url = "https://oauth.example.com/authorize"
+
+        val (clientTransport, serverTransport) = InMemoryTransport.createLinkedPair()
+        val server = Server(
+            serverInfo = Implementation(name = "test server", version = "1.0"),
+            options = ServerOptions(capabilities = ServerCapabilities(tools = ServerCapabilities.Tools(true))),
+        )
+        server.addTool("needs-auth", "Requires URL elicitation") {
+            throw UrlElicitationRequiredException(
+                listOf(
+                    ElicitRequestURLParams(
+                        message = "Authorize to continue",
+                        elicitationId = elicitationId,
+                        url = url,
+                    ),
+                ),
+            )
+        }
+
+        val serverSessionResult = CompletableDeferred<ServerSession>()
+        listOf(
+            launch { client.connect(clientTransport) },
+            launch { serverSessionResult.complete(server.createSession(serverTransport)) },
+        ).joinAll()
+        serverSessionResult.await()
+
+        val exception = assertFailsWith<UrlElicitationRequiredException> {
+            client.callTool(name = "needs-auth", arguments = emptyMap())
+        }
+        val elicitation = exception.elicitations.single()
+        assertEquals(elicitationId, elicitation.elicitationId)
+        assertEquals(url, elicitation.url)
+
+        client.close()
+    }
+
     private fun defaultsTestSchema(): ElicitRequestParams.RequestedSchema = ElicitRequestParams.RequestedSchema(
         properties = mapOf(
             "name" to StringSchema(description = "User name", default = "John Doe"),
@@ -1270,7 +1556,7 @@ class ClientTest {
     ): Pair<Client, ServerSession> = kotlinx.coroutines.coroutineScope {
         val client = Client(
             Implementation(name = "test client", version = "1.0"),
-            ClientOptions(capabilities = ClientCapabilities(elicitation = EmptyJsonObject)),
+            ClientOptions(capabilities = ClientCapabilities(elicitation = ClientCapabilities.Elicitation())),
         )
         client.setElicitationHandler(handler)
 

integration-test/src/jvmTest/kotlin/io/modelcontextprotocol/kotlin/sdk/client/StdioClientTransportTest.kt

@@ -7,9 +7,13 @@ import io.modelcontextprotocol.kotlin.sdk.types.McpException
 import io.modelcontextprotocol.kotlin.test.utils.createSleepyProcessBuilder
 import io.modelcontextprotocol.kotlin.test.utils.createTeeProcessBuilder
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.async
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.test.runTest
 import kotlinx.coroutines.withTimeout
+import kotlinx.coroutines.withTimeoutOrNull
+import kotlinx.io.Buffer
+import kotlinx.io.RawSource
 import kotlinx.io.asSink
 import kotlinx.io.asSource
 import kotlinx.io.buffered
@@ -18,10 +22,12 @@ import org.junit.jupiter.api.Timeout
 import org.junit.jupiter.api.assertThrows
 import org.junit.jupiter.api.condition.DisabledOnOs
 import org.junit.jupiter.api.condition.OS
+import java.util.concurrent.CountDownLatch
 import java.util.concurrent.TimeUnit
 import kotlin.concurrent.atomics.AtomicBoolean
 import kotlin.concurrent.atomics.ExperimentalAtomicApi
 import kotlin.test.assertFalse
+import kotlin.test.assertNotNull
 import kotlin.test.assertTrue
 import kotlin.test.fail
 import kotlin.time.Duration.Companion.seconds
@@ -109,6 +115,43 @@ class StdioClientTransportTest : BaseTransportTest() {
         }
     }
 
+    @OptIn(ExperimentalAtomicApi::class)
+    @Test
+    fun `should close cleanly while stdin read is blocked`(): Unit = runBlocking(Dispatchers.IO) {
+        val input = BlockingRawSource()
+
+        val transport = StdioClientTransport(
+            input = input.buffered(),
+            output = Buffer(),
+        )
+
+        val didClose = AtomicBoolean(false)
+        transport.onClose { didClose.store(true) }
+        transport.onError { error ->
+            fail("Unexpected error while closing transport: $error")
+        }
+
+        transport.start()
+
+        eventually(2.seconds) {
+            assertTrue(input.readStarted, "Transport should start reading stdin before close")
+        }
+
+        val closeJob = async {
+            transport.close()
+        }
+
+        val closed = withTimeoutOrNull(1.seconds) {
+            closeJob.await()
+        }
+
+        input.close()
+        closeJob.await()
+
+        assertNotNull(closed, "Transport.close() should not wait for stdin to produce data or EOF")
+        assertTrue(didClose.load(), "Transport should be closed after close() call")
+    }
+
     @Test
     fun `should read messages`() = runTest {
         val processBuilder = createTeeProcessBuilder()
@@ -147,4 +190,22 @@ class StdioClientTransportTest : BaseTransportTest() {
         process.waitFor()
         process.destroyForcibly()
     }
+
+    private class BlockingRawSource : RawSource {
+        private val closed = CountDownLatch(1)
+
+        @Volatile
+        var readStarted: Boolean = false
+            private set
+
+        override fun readAtMostTo(sink: Buffer, byteCount: Long): Long {
+            readStarted = true
+            closed.await()
+            return -1L
+        }
+
+        override fun close() {
+            closed.countDown()
+        }
+    }
 }