feat: 增强差旅报销审核流程与票据智能推理

优化本体解析和编排器的差旅场景处理能力，完善报销单草稿
保存和费用明细同步逻辑，前端报销创建页面增加行程推理和
票据审核交互，新增助手会话快照工具函数，补充单元测试。

web/src/views/TravelReimbursementCreateView.vue

@@ -131,6 +131,33 @@
                       </span>
                     </div>
 
+                    <div
+                      v-if="message.role === 'assistant' && !message.reviewPayload && message.suggestedActions?.length"
+                      class="message-suggested-actions"
+                    >
+                      <button
+                        v-for="action in message.suggestedActions"
+                        :key="`${message.id}-${action.action_type}-${action.label}`"
+                        type="button"
+                        class="message-suggested-action-btn"
+                        :class="{
+                          selected: isSuggestedActionSelected(message, action),
+                          locked: message.suggestedActionsLocked
+                        }"
+                        :disabled="message.suggestedActionsLocked || submitting || reviewActionBusy || sessionSwitchBusy"
+                        @click="handleSuggestedAction(message, action)"
+                      >
+                        <span class="message-suggested-action-icon" aria-hidden="true">
+                          <i :class="action.icon || 'mdi mdi-shape-outline'"></i>
+                        </span>
+                        <span class="message-suggested-action-copy">
+                          <span class="message-suggested-action-title">{{ action.label }}</span>
+                          <small v-if="action.description">{{ action.description }}</small>
+                        </span>
+                        <i class="message-suggested-action-arrow mdi mdi-arrow-right" aria-hidden="true"></i>
+                      </button>
+                    </div>
+
                     <div v-if="message.role === 'assistant' && !message.reviewPayload && message.riskFlags?.length" class="message-detail-block">
                       <strong>风险标签</strong>
                       <div class="message-detail-chip-row">
@@ -162,7 +189,9 @@
                       v-if="message.role === 'assistant' && !message.reviewPayload && message.queryPayload?.resultType === 'expense_claim_list'"
                       class="message-detail-block expense-query-block"
                     >
-                      <strong>{{ message.queryPayload.recentWindowApplied ? '近 10 日单据' : '单据明细' }}</strong>
+                      <strong>
+                        {{ message.queryPayload.title || (message.queryPayload.selectionMode === 'draft_association' ? '选择关联草稿' : (message.queryPayload.recentWindowApplied ? '近 10 日单据' : '单据明细')) }}
+                      </strong>
 
                       <p v-if="buildExpenseQueryWindowLabel(message.queryPayload)" class="expense-query-window-label">
                         {{ buildExpenseQueryWindowLabel(message.queryPayload) }}
@@ -185,7 +214,13 @@
                           :key="`${message.id}-${record.claimId}`"
                           type="button"
                           class="expense-query-record-card"
-                          @click="openExpenseQueryRecord(record)"
+                          :class="{
+                            selectable: message.queryPayload.selectionMode === 'draft_association',
+                            selected: message.selectedQueryRecordId === record.claimId || message.queryPayload.selectedClaimId === record.claimId,
+                            locked: message.querySelectionLocked || message.queryPayload.selectionLocked
+                          }"
+                          :disabled="message.queryPayload.selectionMode === 'draft_association' && (message.querySelectionLocked || message.queryPayload.selectionLocked)"
+                          @click="handleExpenseQueryRecordClick(message, record)"
                         >
                           <div class="expense-query-record-main">
                             <div class="expense-query-record-top">
@@ -244,7 +279,7 @@
 
                       <div v-else class="expense-query-empty">
                         <i class="mdi mdi-file-search-outline"></i>
-                        <span>当前没有可直接展开的近期待办单据。</span>
+                        <span>{{ message.queryPayload.emptyText || '当前没有可直接展开的近期待办单据。' }}</span>
                       </div>
 
                       <p v-if="buildExpenseQueryHint(message.queryPayload)" class="expense-query-hint">