fix: require explicit transport mode for applications

web/tests/expense-application-fast-preview.test.mjs

@@ -366,6 +366,39 @@ test('application preview can be refined by ontology model extraction', () => {
   assert.equal(refinedPreview.fields.transportMode, '火车')
 })
 
+test('application preview ignores model-only transport mode guesses', () => {
+  const rawText = '\u7533\u8bf7 2026-05-25 \u81f3 2026-05-27 \u53bb\u4e0a\u6d77\u51fa\u5dee3\u5929\uff0c\u670d\u52a1\u9879\u76ee\u90e8\u7f72\uff0c\u9884\u8ba1\u8d39\u75281800\u5143'
+  const localPreview = buildLocalApplicationPreview(rawText, {
+    name: '\u674e\u6587\u9759',
+    grade: 'P5'
+  })
+  const refinedPreview = buildModelRefinedApplicationPreview(
+    localPreview,
+    {
+      parse_strategy: 'llm_primary',
+      entities: [
+        { type: 'expense_type', value: '\u5dee\u65c5\u8d39', normalized_value: 'travel' },
+        { type: 'location', value: '\u4e0a\u6d77', normalized_value: '\u4e0a\u6d77' },
+        { type: 'reason', value: '\u670d\u52a1\u9879\u76ee\u90e8\u7f72', normalized_value: '\u670d\u52a1\u9879\u76ee\u90e8\u7f72' },
+        { type: 'transport_mode', value: '\u706b\u8f66', normalized_value: '\u706b\u8f66' },
+        { type: 'amount', value: '1800\u5143', normalized_value: '1800' }
+      ],
+      time_range: {
+        start: '2026-05-25',
+        end: '2026-05-27'
+      },
+      missing_slots: []
+    },
+    rawText,
+    { name: '\u674e\u6587\u9759', grade: 'P5' }
+  )
+
+  assert.equal(localPreview.fields.transportMode, '')
+  assert.equal(refinedPreview.fields.transportMode, '')
+  assert.ok(refinedPreview.missingFields.includes('\u51fa\u884c\u65b9\u5f0f'))
+  assert.equal(refinedPreview.readyToSubmit, false)
+})
+
 test('application preview precomputes a date range from today when only days are provided', () => {
   const preview = buildLocalApplicationPreview(
     '去北京出差3天，支撑国网仿生产环境部署，飞机，预计费用12000元',