feat: 国际出港装载列表项加航程及始发站/目的站筛选

列表项改为5列并新增航程（range 为空时回退始发港-目的港拼接）；
搜索区参考电报生成接口，填航班日期+号联动查询，始发站可下拉、
目的站自动填充只读，dep/dest 作为筛选传给列表接口。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

module_gjc/src/main/java/com/lukouguoji/gjc/viewModel/IntExpLoadViewModel.kt

@@ -17,6 +17,7 @@ import com.lukouguoji.module_base.impl.FlowBus
 import com.lukouguoji.module_base.ktx.commonAdapter
 import com.lukouguoji.module_base.ktx.launchCollect
 import com.lukouguoji.module_base.ktx.launchLoadingCollect
+import com.lukouguoji.module_base.ktx.noNull
 import com.lukouguoji.module_base.ktx.showToast
 import com.lukouguoji.module_base.ktx.toRequestBody
 import com.lukouguoji.module_base.model.ScanModel
@@ -34,6 +35,77 @@ class IntExpLoadViewModel : BasePageViewModel() {
     val flightDate = MutableLiveData<String>(DateUtils.getCurrentTime().formatDate())        // 航班日期
     val flightNo = MutableLiveData("")          // 航班号
     val waybillNo = MutableLiveData("")         // 运单号
+    val depPort = MutableLiveData("")           // 始发站（下拉选择）
+    val depPortList = MutableLiveData<List<KeyValue>>(emptyList())  // 始发站下拉列表（始发港 + 经停港）
+    val destPort = MutableLiveData("")          // 目的站（航班查询自动填充，不可编辑）
+
+    // ========== 航班级联查询 ==========
+    private var lastQueriedFlight = ""          // 避免重复查询
+
+    /**
+     * 航班日期输入完成回调
+     */
+    fun onFlightDateInputComplete() {
+        lastQueriedFlight = ""
+        queryFlightIfReady()
+    }
+
+    /**
+     * 航班号输入完成回调
+     */
+    fun onFlightNoInputComplete() {
+        queryFlightIfReady()
+    }
+
+    /**
+     * 航班日期 + 航班号 均有值时，查询航班并填充始发站/目的站
+     * 参考「电报生成」(/flt/intFlight)：始发站下拉(始发港+经停港)，目的站自动填充且只读
+     */
+    private fun queryFlightIfReady() {
+        val fdate = flightDate.value
+        val fno = flightNo.value
+        if (fdate.isNullOrEmpty() || fno.isNullOrEmpty()) return
+
+        val key = "$fdate-$fno"
+        if (key == lastQueriedFlight) return
+        lastQueriedFlight = key
+
+        launchCollect({
+            NetApply.api.getGjFlightBean(
+                mapOf(
+                    "fdate" to fdate,
+                    "fno" to fno,
+                    "ieFlag" to "E",  // 出港
+                ).toRequestBody()
+            )
+        }) {
+            onSuccess = {
+                if (it.verifySuccess() && it.data != null) {
+                    val flight = it.data!!
+                    // 目的站：航班查询返回，自动填充
+                    destPort.value = flight.fdest.noNull()
+                    // 始发站下拉：始发港 + 经停港(可逗号分隔多个)
+                    val list = mutableListOf(KeyValue(flight.fdep.noNull(), flight.fdep.noNull()))
+                    flight.jtz.split(",").forEach { stop ->
+                        val s = stop.trim()
+                        if (s.isNotEmpty()) list.add(KeyValue(s, s))
+                    }
+                    depPortList.value = list
+                    depPort.value = flight.fdep.noNull()
+                } else {
+                    depPortList.value = emptyList()
+                    depPort.value = ""
+                    destPort.value = ""
+                }
+            }
+
+            onFailed = { _, _ ->
+                depPortList.value = emptyList()
+                depPort.value = ""
+                destPort.value = ""
+            }
+        }
+    }
 
     // ========== 统计信息 ==========
     val totalCount = MutableLiveData("0")       // 合计票数
@@ -199,6 +271,8 @@ class IntExpLoadViewModel : BasePageViewModel() {
             fdate = flightDate.value?.ifEmpty { null },
             fno = flightNo.value?.ifEmpty { null },
             wbNo = waybillNo.value?.ifEmpty { null },
+            dep = depPort.value?.ifEmpty { null },
+            dest = destPort.value?.ifEmpty { null },
             pageNum = pageModel.page,
             pageSize = pageModel.limit
         )
@@ -210,7 +284,9 @@ class IntExpLoadViewModel : BasePageViewModel() {
         val totalParams = GjcCheckInPage(
             fdate = flightDate.value?.ifEmpty { null },
             fno = flightNo.value?.ifEmpty { null },
-            wbNo = waybillNo.value?.ifEmpty { null }
+            wbNo = waybillNo.value?.ifEmpty { null },
+            dep = depPort.value?.ifEmpty { null },
+            dest = destPort.value?.ifEmpty { null }
         ).toRequestBody()
 
         // 获取列表 (带Loading)