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/PipelineLifecycle.kt

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+package com.gzzn.omms.msgexchange
+
+import com.gzzn.omms.msgexchange.delivery.Dispatcher
+import com.gzzn.omms.msgexchange.ingress.InboxPoller
+import com.gzzn.omms.msgexchange.processing.Pump
+import io.micronaut.context.annotation.Requires
+import io.micronaut.runtime.event.annotation.EventListener
+import io.micronaut.runtime.server.event.ServerStartupEvent
+import jakarta.annotation.PreDestroy
+import jakarta.inject.Singleton
+
+/**
+ * U07（T03+N29）：管道生命周期装配——服务启动后拉起 inbox 轮询、主泵、投递三条专用单线程
+ * 停机时 requestStop + interrupt + join。仅当 `msgx.pipeline.autostart=true` 时装配
+ * （默认关：需要真实仓储或 msgx.stubs=true 才安全开启）。
+ */
+@Requires(property = "msgx.pipeline.autostart", value = "true")
+@Singleton
+class PipelineLifecycle(
+    private val poller: InboxPoller,
+    private val pump: Pump,
+    private val dispatcher: Dispatcher,
+) {
+    private val log = org.slf4j.LoggerFactory.getLogger(PipelineLifecycle::class.java)
+    private val threads = mutableListOf<Thread>()
+
+    @Volatile
+    private var started = false
+
+    @EventListener
+    fun start(event: ServerStartupEvent) {
+        startIfNeeded()
+    }
+
+    private fun startIfNeeded() {
+        if (started) return
+        started = true
+        threads += spawn("msgx-inbox-poller", poller::loop)
+        threads += spawn("msgx-pump", pump::loop)
+        threads += spawn("msgx-dispatcher", dispatcher::loop)
+        log.info("pipeline loops started (inbox-poller, pump, dispatcher)")
+    }
+
+    private fun spawn(name: String, body: () -> Unit): Thread =
+        Thread.ofPlatform().name(name).daemon(true).start { body() }
+
+    @PreDestroy
+    fun stop() {
+        poller.stop()
+        pump.stop()
+        dispatcher.stop()
+        threads.forEach { it.interrupt() }          // 解除 Thread.sleep 阻塞，加速退出
+        threads.forEach { runCatching { it.join(3000) } }
+        log.info("pipeline loops stopped")
+    }
+}