修复备卡位 13 自动续做：卡位 API 解析与会话同步

兼容 workDll 返回值即卡位编号的语义，启动卡位轮询时同步主进程 mode，并修正续做失败时的 phase 时序。

app/src/main/ipc/register-handlers.ts

@@ -287,9 +287,12 @@ export function registerIpcHandlers(): void {
     return ok()
   })
 
-  tracedHandle('poll:card-position-start', async () => {
+  tracedHandle('poll:card-position-start', async (_e, sessionMode?: 'distributing' | 'usbCopying') => {
     try {
       assertReady()
+      if (sessionMode === 'distributing' || sessionMode === 'usbCopying') {
+        mainAppState.mode = sessionMode
+      }
       const dll = await loadDllModule()
       if (!dll.isCardPositionApiAvailable()) {
         return fail(CS_FAIL, '当前 DLL 不支持卡位查询，无法自动续做')

app/src/main/services/work-dll.service.ts

@@ -1,6 +1,7 @@
 import path from 'path'
 import koffi from 'koffi'
 import log from 'electron-log'
+import { normalizeCardPositionQuery } from '@shared/card-position'
 import { CS_OK, JOB_ID_BUF_SIZE, LOG_FATAL_FLAG } from '../constants'
 import { emitTrace, isTraceEnabled } from '../utils/trace-bridge'
 import { getNativeDir } from './native-path'
@@ -396,9 +397,9 @@ export function dllGetPrinterCardPosition(): { queryCode: number; position: numb
   return traceCall('SAPI_GetPrinterCardPosition', undefined, () => {
     loadLibrary()
     if (!SAPI_GetPrinterCardPosition) throw new Error('CARD_POSITION_API_UNAVAILABLE')
-    const position = [0]
-    const queryCode = SAPI_GetPrinterCardPosition!(position) as number
-    return { queryCode, position: position[0] }
+    const out = [0]
+    const ret = SAPI_GetPrinterCardPosition!(out) as number
+    return normalizeCardPositionQuery(ret, out[0])
   })
 }