feat(ai): add personal expense application memory

server/src/app/services/expense_application_preview_workflow.py

@@ -16,6 +16,10 @@ from app.schemas.reimbursement import (
     ExpenseApplicationPreviewActionResult,
 )
 from app.schemas.user_agent import UserAgentRequest
+from app.services.application_system_estimate import (
+    apply_application_system_estimate_to_facts,
+)
+from app.services.expense_application_memory import ExpenseApplicationMemoryService
 from app.services.expense_application_preview_decisions import (
     ExpenseApplicationPreviewDecisionService,
     PreviewDecisionConflictError,
@@ -53,6 +57,12 @@ class ExpenseApplicationPreviewWorkflow:
         )
         try:
             facts = UserAgentService(self.db)._resolve_expense_application_facts(request)
+            memory_applications = ExpenseApplicationMemoryService(
+                self.db
+            ).apply_active_transport_memory(facts, current_user)
+            if memory_applications:
+                # 交通方式会影响系统预估；记忆补空后必须在签名前重算派生字段。
+                apply_application_system_estimate_to_facts(facts)
             issued = ExpenseApplicationPreviewDecisionService(self.db).issue(
                 facts,
                 current_user,
@@ -71,6 +81,9 @@ class ExpenseApplicationPreviewWorkflow:
             expires_at=issued.decision.expires_at,
             application_preview={
                 "fields": issued.fields,
+                "memoryApplications": [
+                    item.model_dump(mode="json") for item in memory_applications
+                ],
                 "decisionId": issued.decision.id,
                 "decisionSource": issued.decision.decision_source,
                 "decisionExpiresAt": issued.decision.expires_at.isoformat(),
@@ -154,6 +167,11 @@ class ExpenseApplicationPreviewWorkflow:
                     type(error).__name__,
                 )
 
+        learning_receipts = self._resolve_learning_receipts(
+            consumed_preview_decision_id,
+            current_user,
+        )
+
         return ExpenseApplicationPreviewActionResponse(
             status="succeeded",
             conversation_id=payload.conversation_id,
@@ -179,9 +197,29 @@ class ExpenseApplicationPreviewWorkflow:
                     if next_preview_decision is not None
                     else None
                 ),
+                learning_receipts=[
+                    item.model_dump(mode="json") for item in learning_receipts
+                ],
             ),
         )
 
+    def _resolve_learning_receipts(
+        self,
+        preview_decision_id: str,
+        current_user: CurrentUserContext,
+    ) -> list:
+        try:
+            with self.db.begin_nested():
+                return ExpenseApplicationMemoryService(
+                    self.db
+                ).learning_receipts_for_preview_decision(
+                    preview_decision_id,
+                    current_user,
+                )
+        except Exception:
+            logger.warning("个人记忆学习回执读取失败，本次申请动作保持成功。", exc_info=True)
+            return []
+
     @staticmethod
     def _build_action_request(
         payload: ExpenseApplicationPreviewActionPayload,