diff --git a/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/AmlCopilot.kt b/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/AmlCopilot.kt
new file mode 100644
index 0000000..44454ed
--- /dev/null
+++ b/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/AmlCopilot.kt
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.copilot
+
+/**
+ * Plug-in port for an LLM-backed assistant that helps a human reviewer work an AML case.
+ *
+ * Implementations are provided out of tree (for example an LLM-backed adapter) and are NOT part of this open-source
+ * service. The contract is deliberately generative and makes no determinism or correctness promise: the returned
+ * [CopilotResponse] is ADVISORY guidance the reviewer weighs, never an authoritative decision. This port performs no
+ * persistence and encodes no business prompt. A technical or transient failure is thrown as an [AmlCopilotException].
+ */
+interface AmlCopilot {
+    fun assist(request: CopilotRequest): CopilotResponse
+}
diff --git a/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/AmlCopilotException.kt b/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/AmlCopilotException.kt
new file mode 100644
index 0000000..45dda36
--- /dev/null
+++ b/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/AmlCopilotException.kt
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.copilot
+
+/** Signals a technical or transient failure producing copilot assistance, distinct from advisory output. */
+class AmlCopilotException(
+    message: String,
+    cause: Throwable? = null,
+) : RuntimeException(message, cause)
diff --git a/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/CopilotRequest.kt b/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/CopilotRequest.kt
new file mode 100644
index 0000000..16b3e17
--- /dev/null
+++ b/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/CopilotRequest.kt
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.copilot
+
+import com.fincore.compliance.domain.KycSession
+
+/**
+ * Context for an [AmlCopilot] assist call. [caseReference] is an opaque token (bounded by the shared
+ * KycSession.MAX_SUBJECT_REFERENCE_LENGTH). [context] is a list of generic notes or codes, never raw PII or business
+ * rules; the adapter resolves any further detail out of tree.
+ */
+data class CopilotRequest(
+    val caseReference: String,
+    val context: List<String> = emptyList(),
+) {
+    init {
+        require(caseReference.isNotBlank() && caseReference.length <= KycSession.MAX_SUBJECT_REFERENCE_LENGTH) {
+            "caseReference must be non-blank and at most ${KycSession.MAX_SUBJECT_REFERENCE_LENGTH} characters"
+        }
+    }
+}
diff --git a/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/CopilotResponse.kt b/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/CopilotResponse.kt
new file mode 100644
index 0000000..386582f
--- /dev/null
+++ b/services/compliance/src/main/kotlin/com/fincore/compliance/application/copilot/CopilotResponse.kt
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.copilot
+
+/**
+ * Advisory output of an [AmlCopilot] assist call. [summary] and [recommendations] are non-authoritative guidance for
+ * the human reviewer and carry no PII.
+ */
+data class CopilotResponse(
+    val summary: String,
+    val recommendations: List<String> = emptyList(),
+)
diff --git a/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/AutomatedSuspensionException.kt b/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/AutomatedSuspensionException.kt
new file mode 100644
index 0000000..a00bdfa
--- /dev/null
+++ b/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/AutomatedSuspensionException.kt
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.suspension
+
+/** Signals a technical or transient failure performing an automated suspension, distinct from a business outcome. */
+class AutomatedSuspensionException(
+    message: String,
+    cause: Throwable? = null,
+) : RuntimeException(message, cause)
diff --git a/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/AutomatedSuspensionPort.kt b/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/AutomatedSuspensionPort.kt
new file mode 100644
index 0000000..afb8cb8
--- /dev/null
+++ b/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/AutomatedSuspensionPort.kt
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.suspension
+
+/**
+ * Plug-in port for an automated suspension action triggered by a caller-decided signal.
+ *
+ * The port encodes NO rule for what the signal is; the caller decides when to suspend. Implementations are provided
+ * out of tree and are NOT part of this open-source service; the port performs no persistence. A business outcome is
+ * returned as a [SuspensionResult]; a technical or transient failure is thrown as an [AutomatedSuspensionException].
+ */
+interface AutomatedSuspensionPort {
+    fun requestSuspension(request: SuspensionRequest): SuspensionResult
+}
diff --git a/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/SuspensionRequest.kt b/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/SuspensionRequest.kt
new file mode 100644
index 0000000..609ad00
--- /dev/null
+++ b/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/SuspensionRequest.kt
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.suspension
+
+import com.fincore.compliance.domain.KycSession
+
+/**
+ * A request to suspend a subject. [subjectReference] is an opaque token (bounded by the shared
+ * KycSession.MAX_SUBJECT_REFERENCE_LENGTH); [reason] is a generic, non-PII reason code or note.
+ */
+data class SuspensionRequest(
+    val subjectReference: String,
+    val reason: String,
+) {
+    init {
+        require(subjectReference.isNotBlank() && subjectReference.length <= KycSession.MAX_SUBJECT_REFERENCE_LENGTH) {
+            "subjectReference must be non-blank and at most ${KycSession.MAX_SUBJECT_REFERENCE_LENGTH} characters"
+        }
+        require(reason.isNotBlank() && reason.length <= MAX_REASON_LENGTH) {
+            "reason must be non-blank and at most $MAX_REASON_LENGTH characters"
+        }
+    }
+
+    companion object {
+        const val MAX_REASON_LENGTH = 280
+    }
+}
diff --git a/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/SuspensionResult.kt b/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/SuspensionResult.kt
new file mode 100644
index 0000000..a901282
--- /dev/null
+++ b/services/compliance/src/main/kotlin/com/fincore/compliance/application/suspension/SuspensionResult.kt
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.suspension
+
+/**
+ * Outcome of an [AutomatedSuspensionPort] action: a business outcome, distinct from a technical failure (a thrown
+ * [AutomatedSuspensionException]).
+ *
+ * [AlreadySuspended] is a first-class outcome so a replayed signal is unambiguous (the port is idempotent).
+ * [Rejected.reason] is a generic, provider-reported business refusal, never a technical error.
+ */
+sealed interface SuspensionResult {
+    data class Suspended(
+        val providerReference: String,
+    ) : SuspensionResult
+
+    data object AlreadySuspended : SuspensionResult
+
+    data class Rejected(
+        val reason: String,
+    ) : SuspensionResult
+}
diff --git a/services/compliance/src/test/kotlin/com/fincore/compliance/application/copilot/AmlCopilotContractTest.kt b/services/compliance/src/test/kotlin/com/fincore/compliance/application/copilot/AmlCopilotContractTest.kt
new file mode 100644
index 0000000..6234d43
--- /dev/null
+++ b/services/compliance/src/test/kotlin/com/fincore/compliance/application/copilot/AmlCopilotContractTest.kt
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.copilot
+
+import com.fincore.compliance.domain.KycSession
+import io.kotest.assertions.throwables.shouldThrow
+import io.kotest.matchers.shouldBe
+import io.kotest.matchers.types.shouldBeInstanceOf
+import org.junit.jupiter.api.Test
+
+private class FixedAmlCopilot(
+    private val response: CopilotResponse,
+) : AmlCopilot {
+    override fun assist(request: CopilotRequest): CopilotResponse = response
+}
+
+class AmlCopilotContractTest {
+    @Test
+    fun `should expose a single assist method when inspected`() {
+        AmlCopilot::class.java.isInterface shouldBe true
+
+        val method =
+            AmlCopilot::class.java.declaredMethods
+                .filter { !it.isBridge && !it.isSynthetic }
+                .single { it.name == "assist" }
+
+        method.returnType shouldBe CopilotResponse::class.java
+        method.parameterTypes.toList() shouldBe listOf(CopilotRequest::class.java)
+    }
+
+    @Test
+    fun `should return the advisory response from the implementation`() {
+        val provider = FixedAmlCopilot(CopilotResponse("summary", listOf("review-id-docs")))
+
+        val result = provider.assist(CopilotRequest("case-1", listOf("note-a")))
+
+        result.shouldBeInstanceOf<CopilotResponse>().recommendations shouldBe listOf("review-id-docs")
+    }
+
+    @Test
+    fun `should reject a blank case reference`() {
+        shouldThrow<IllegalArgumentException> { CopilotRequest(" ") }
+    }
+
+    @Test
+    fun `should reject a case reference over the length limit`() {
+        shouldThrow<IllegalArgumentException> { CopilotRequest("x".repeat(KycSession.MAX_SUBJECT_REFERENCE_LENGTH + 1)) }
+    }
+}
diff --git a/services/compliance/src/test/kotlin/com/fincore/compliance/application/suspension/AutomatedSuspensionPortContractTest.kt b/services/compliance/src/test/kotlin/com/fincore/compliance/application/suspension/AutomatedSuspensionPortContractTest.kt
new file mode 100644
index 0000000..2e3444e
--- /dev/null
+++ b/services/compliance/src/test/kotlin/com/fincore/compliance/application/suspension/AutomatedSuspensionPortContractTest.kt
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: BUSL-1.1
+// SPDX-FileCopyrightText: 2026 FinCore Engine Authors
+
+package com.fincore.compliance.application.suspension
+
+import io.kotest.assertions.throwables.shouldThrow
+import io.kotest.matchers.shouldBe
+import io.kotest.matchers.types.shouldBeInstanceOf
+import org.junit.jupiter.api.Test
+
+private class FixedAutomatedSuspensionPort(
+    private val result: SuspensionResult,
+) : AutomatedSuspensionPort {
+    override fun requestSuspension(request: SuspensionRequest): SuspensionResult = result
+}
+
+class AutomatedSuspensionPortContractTest {
+    private val request = SuspensionRequest("subject-1", "signal-a")
+
+    @Test
+    fun `should expose a single request suspension method when inspected`() {
+        AutomatedSuspensionPort::class.java.isInterface shouldBe true
+
+        val method =
+            AutomatedSuspensionPort::class.java.declaredMethods
+                .filter { !it.isBridge && !it.isSynthetic }
+                .single { it.name == "requestSuspension" }
+
+        method.returnType shouldBe SuspensionResult::class.java
+        method.parameterTypes.toList() shouldBe listOf(SuspensionRequest::class.java)
+    }
+
+    @Test
+    fun `should return suspended when the implementation suspends`() {
+        FixedAutomatedSuspensionPort(SuspensionResult.Suspended("ref-1"))
+            .requestSuspension(request)
+            .shouldBeInstanceOf<SuspensionResult.Suspended>()
+    }
+
+    @Test
+    fun `should return already suspended for a replayed signal`() {
+        FixedAutomatedSuspensionPort(SuspensionResult.AlreadySuspended)
+            .requestSuspension(request)
+            .shouldBeInstanceOf<SuspensionResult.AlreadySuspended>()
+    }
+
+    @Test
+    fun `should return rejected when the implementation refuses`() {
+        FixedAutomatedSuspensionPort(SuspensionResult.Rejected("not eligible"))
+            .requestSuspension(request)
+            .shouldBeInstanceOf<SuspensionResult.Rejected>()
+    }
+
+    @Test
+    fun `should reject a blank subject reference`() {
+        shouldThrow<IllegalArgumentException> { SuspensionRequest(" ", "signal-a") }
+    }
+
+    @Test
+    fun `should reject a blank reason`() {
+        shouldThrow<IllegalArgumentException> { SuspensionRequest("subject-1", " ") }
+    }
+
+    @Test
+    fun `should reject a reason over the length limit`() {
+        shouldThrow<IllegalArgumentException> {
+            SuspensionRequest("subject-1", "a".repeat(SuspensionRequest.MAX_REASON_LENGTH + 1))
+        }
+    }
+}