refactor: isolate V2 from legacy booking execution

Make new EML tasks strict V2-only, keep historical runs read-only, remove legacy dispatch, Recovery, contracts-v1 execution paths, legacy parser bridges, writer DTOs, and their obsolete tests while preserving shared SuperAgent transport, SSE, journal, lifecycle, and history readers.

client/src/services/agentBusEmlReplayService.ts

@@ -22,10 +22,8 @@ export async function createAgentBusEmlReplayPreview(
 ): Promise<AgentBusEmlReplayRun> {
   const form = new FormData()
   form.append('file', input.file, input.file.name)
-  form.append('delivery_mode', input.deliveryMode)
-  if (input.executionPolicy) {
-    form.append('execution_policy', input.executionPolicy)
-  }
+  form.append('delivery_mode', 'FRESH_DELIVERY')
+  form.append('execution_policy', 'REQUIRE_REAL_L3_L5')
   const hotelId = input.hotelId?.trim() || getReservationHotelId()
   if (hotelId) {
     form.append('hotel_id', hotelId)

client/src/tests/agentBusEmlReplayService.spec.ts

@@ -41,7 +41,7 @@ describe('agentBusEmlReplayService', () => {
         storage_configured: true,
         max_eml_bytes: 10485760,
         max_frame_bytes: 1048576,
-        downstream_mode: 'SUPERAGENT_DISPATCH',
+        downstream_mode: 'BOOKING_DECISION_V2',
         downstream_ready: true,
         worker_enabled: true,
         execution_ready: true,
@@ -49,7 +49,8 @@ describe('agentBusEmlReplayService', () => {
       .mockResolvedValueOnce(mockJsonResponse({
         replay_id: '91001',
         hotel_id: 'HOTEL-BKK',
-        delivery_mode: 'PRESERVE_IDENTITY',
+        delivery_mode: 'FRESH_DELIVERY',
+        execution_policy: 'REQUIRE_REAL_L3_L5',
         status: 'PREVIEW_READY',
         original_file_name: 'booking.eml',
         original_eml_sha256: 'sha256',
@@ -81,7 +82,8 @@ describe('agentBusEmlReplayService', () => {
     expect(form.get('file')).toBeInstanceOf(File)
     expect((form.get('file') as File).name).toBe('booking.eml')
     expect(form.get('hotel_id')).toBe('HOTEL-BKK')
-    expect(form.get('delivery_mode')).toBe('PRESERVE_IDENTITY')
+    expect(form.get('delivery_mode')).toBe('FRESH_DELIVERY')
+    expect(form.get('execution_policy')).toBe('REQUIRE_REAL_L3_L5')
     expect(form.get('run_label')).toBe('frontend smoke')
     expect(fetchMock.mock.calls[2]?.[0]).toBe(
       '/api/system/debug/agentbus-eml-replays?limit=8&hotel_id=HOTEL-BKK',

client/src/tests/agentBusEmlReplayView.spec.ts

@@ -28,10 +28,11 @@ function capabilities() {
     storage_configured: true,
     max_eml_bytes: 10 * 1024 * 1024,
     max_frame_bytes: 1024 * 1024,
-    downstream_mode: 'SUPERAGENT_DISPATCH',
+    downstream_mode: 'BOOKING_DECISION_V2',
     downstream_ready: true,
-    worker_enabled: true,
+    worker_enabled: null,
     execution_ready: true,
+    strict_execution_ready: true,
   }
 }
 
@@ -40,7 +41,8 @@ function preview(overrides: Partial<AgentBusEmlReplayRun> = {}): AgentBusEmlRepl
     replay_id: '91001',
     hotel_id: 'HOTEL-TEST',
     run_label: 'view smoke',
-    delivery_mode: 'PRESERVE_IDENTITY',
+    delivery_mode: 'FRESH_DELIVERY',
+    execution_policy: 'REQUIRE_REAL_L3_L5',
     status: 'PREVIEW_READY',
     original_file_name: 'booking.eml',
     original_eml_sha256: 'sha256',
@@ -179,7 +181,8 @@ describe('AgentBusEmlReplayView', () => {
     expect(service.createAgentBusEmlReplayPreview).toHaveBeenCalledWith(expect.objectContaining({
       file,
       hotelId: 'HOTEL-TEST',
-      deliveryMode: 'PRESERVE_IDENTITY',
+      deliveryMode: 'FRESH_DELIVERY',
+      executionPolicy: 'REQUIRE_REAL_L3_L5',
     }))
     expect(service.executeAgentBusEmlReplay).not.toHaveBeenCalled()
     expect(wrapper.text()).toContain('Booking test')

client/src/views/debug/AgentBusEmlReplayView.vue

@@ -921,9 +921,7 @@ const authStore = useAuthStore()
 const fileInput = ref<HTMLInputElement | null>(null)
 const confirmationPanel = ref<HTMLElement | null>(null)
 const selectedFile = ref<File | null>(null)
-const deliveryMode = ref<AgentBusEmlReplayDeliveryMode>(
-  route.query.entry === 'email-import' ? 'FRESH_DELIVERY' : 'PRESERVE_IDENTITY',
-)
+const deliveryMode = ref<AgentBusEmlReplayDeliveryMode>('FRESH_DELIVERY')
 const runLabel = ref('')
 const dragActive = ref(false)
 const capabilities = ref<AgentBusEmlReplayCapabilities | null>(null)
@@ -944,9 +942,7 @@ let pollTimer: number | undefined
 
 const isLocalDemo = computed(() => props.localDemo)
 const isEmailImportEntry = computed(() => route.query.entry === 'email-import')
-const deliveryModes = computed<AgentBusEmlReplayDeliveryMode[]>(() => (
-  isEmailImportEntry.value ? ['FRESH_DELIVERY'] : ['PRESERVE_IDENTITY', 'FRESH_DELIVERY']
-))
+const deliveryModes = computed<AgentBusEmlReplayDeliveryMode[]>(() => ['FRESH_DELIVERY'])
 const currentHotelLabel = computed(
   () => isLocalDemo.value
     ? 'BR00 本地演示'
@@ -959,9 +955,7 @@ const executionReady = computed(() => {
   if (isLocalDemo.value) {
     return true
   }
-  return isEmailImportEntry.value
-    ? Boolean(capabilities.value?.strict_execution_ready)
-    : Boolean(capabilities.value?.execution_ready)
+  return Boolean(capabilities.value?.strict_execution_ready)
 })
 const currentStep = computed(() => {
   if (executing.value || currentReplay.value?.processor_result
@@ -1123,7 +1117,7 @@ async function createPreview(): Promise<void> {
           file: selectedFile.value,
           hotelId: authStore.selectedHotelId,
           deliveryMode: deliveryMode.value,
-          executionPolicy: isEmailImportEntry.value ? 'REQUIRE_REAL_L3_L5' : 'LEGACY_COMPATIBLE',
+          executionPolicy: 'REQUIRE_REAL_L3_L5',
           runLabel: runLabel.value,
         })
     applyReplay(replay)
@@ -1199,7 +1193,7 @@ async function executeReplay(): Promise<void> {
 function applyReplay(replay: AgentBusEmlReplayRun): void {
   currentReplay.value = replay
   recentDrawerOpen.value = false
-  deliveryMode.value = isEmailImportEntry.value ? 'FRESH_DELIVERY' : replay.delivery_mode
+  deliveryMode.value = replay.delivery_mode
   runLabel.value = replay.run_label ?? ''
   confirmationVisible.value = false
   copySucceeded.value = false
@@ -1260,7 +1254,7 @@ function resetReplay(clearQuery = true): void {
   executing.value = false
   copySucceeded.value = false
   runLabel.value = ''
-  deliveryMode.value = isEmailImportEntry.value ? 'FRESH_DELIVERY' : 'PRESERVE_IDENTITY'
+  deliveryMode.value = 'FRESH_DELIVERY'
   clearSelection()
   clearError()
   if (clearQuery) {