feat(acm2): 闭合 G-KAFKA-D3 / G-IGNORE / G-EVENT-RETENTION 三个缺口

- G-KAFKA-D3：max-in-flight 默认收敛到 1，KafkaD3Check 启动自检钉住三项联合满足 D3
- G-IGNORE：IgnoreRules 在身份绑定后精确匹配 TYPE 字段，命中写 SKIPPED + 回填意图
- G-EVENT-RETENTION：V10 迁移加 SENT_AT 列，投递原子写，EventCleanupJob 有界清理过期 SENT 行

src/main/kotlin/com/gzzn/omms/msgexchange/processing/Pump.kt

@@ -211,6 +211,15 @@ class MessageProcessor(
             }
         }
 
+        // US-04：忽略清单命中 → SKIPPED + 回填意图，不取 PIPELINE_LOCK、不写航班表、不创建 MSG_EVENT
+        val ignoreRule = IgnoreRules.match(decoded.meta.type)
+        if (ignoreRule != null) {
+            log.info("ignored:{} -> SKIPPED msgId={}", ignoreRule, head.msgId)
+            counters.ignoredAdd()
+            procState.markTerminal(head.msgId, ProcStatus.SKIPPED, lastError = "ignored:$ignoreRule", now = clock.instant())
+            return
+        }
+
         // 按报文类型分派：日计划走 SCHD，其余走 FLOP / FDEL / ADFT；报文缺载荷直接判为非法报文的死信
         val result: ApplyResult = when (val kind = decoded.kind) {
             is MsgKind.Schd -> {