feat(ingress): 实现 JDBC 信箱轮询、入站持久化与对拍测试 (U05)

src/main/kotlin/com/gzzn/omms/msgexchange/ingress/InboxService.kt

@@ -0,0 +1,23 @@
+package com.gzzn.omms.msgexchange.ingress
+
+import com.gzzn.omms.msgexchange.infra.persistence.CminmsgInboxRepository
+import jakarta.inject.Singleton
+import java.time.Instant
+
+/** ACMA-8 流程 1 · compat 写路径：HTTP 落信 + PG 入队（非生产主拓扑；主路径=InboxPoller JDBC 轮询）。 */
+@Singleton
+class InboxService(
+    private val inbox: CminmsgInboxRepository,
+    private val enqueue: InboxEnqueue,
+) {
+    private val log = org.slf4j.LoggerFactory.getLogger(InboxService::class.java)
+
+    data class Receipt(val cminmsgsId: Long, val receivedAt: Instant)
+
+    fun accept(rawXml: String): Receipt {
+        val id = inbox.insertRaw(rawXml)
+        enqueue.enqueue(id)
+        log.info("compat-accepted cminmsgsId={}", id)
+        return Receipt(id, Instant.now())
+    }
+}