Refine travel reimbursement steward flow

Align planner, runtime rules, and policy assets so travel guidance
matches the updated reimbursement workflow.

web/tests/steward-plan-model-pending-flow.test.mjs

@@ -0,0 +1,50 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+import {
+  buildStewardSuggestedActions
+} from '../src/views/scripts/stewardPlanModel.js'
+
+test('steward pending flow confirmation builds candidate actions', () => {
+  const actions = buildStewardSuggestedActions({
+    plan_id: 'steward-plan-pending-flow',
+    plan_status: 'needs_flow_confirmation',
+    next_action: 'confirm_flow',
+    pending_flow_confirmation: {
+      status: 'pending',
+      reason: '缺少申请或报销动作词。',
+      candidate_flows: [
+        {
+          flow_id: 'travel_application',
+          label: '补办出差申请',
+          confidence: 0.52,
+          ontology_fields: {
+            time_range: '2026-02-20',
+            location: '上海',
+            expense_type: 'travel',
+            reason: '辅助国网仿生产环境部署'
+          },
+          missing_fields: ['transport_mode']
+        },
+        {
+          flow_id: 'travel_reimbursement',
+          label: '发起费用报销',
+          confidence: 0.48,
+          ontology_fields: {
+            time_range: '2026-02-20',
+            location: '上海',
+            expense_type: 'travel',
+            reason: '辅助国网仿生产环境部署'
+          },
+          missing_fields: []
+        }
+      ]
+    }
+  })
+
+  assert.equal(actions.length, 2)
+  assert.deepEqual(actions.map((item) => item.label), ['补办出差申请', '发起费用报销'])
+  assert.equal(actions[0].payload.steward_confirm_flow, true)
+  assert.equal(actions[0].payload.flow_id, 'travel_application')
+  assert.equal(actions[1].payload.flow_id, 'travel_reimbursement')
+})