feat: 完善报销单审批流程及退回原因追踪

新增直属领导审批通过接口和审批待办列表查询，报销单退回
支持原因码分类和审批环节标记，优化票据附件去重和路径
回退查找，前端新增退回原因对话框、审批收件箱和工作台
图标组件，补充工具函数和单元测试覆盖。

server/src/app/api/v1/endpoints/reimbursements.py

@@ -12,6 +12,7 @@ from app.schemas.reimbursement import (
     ExpenseClaimAttachmentActionResponse,
     ExpenseClaimActionResponse,
     ExpenseClaimAttachmentRead,
+    ExpenseClaimApprovalPayload,
     ExpenseClaimItemCreate,
     ExpenseClaimItemActionResponse,
     ExpenseClaimItemUpdate,
@@ -59,6 +60,16 @@ def list_expense_claims(db: DbSession, current_user: CurrentUser) -> list[Expens
     return ExpenseClaimService(db).list_claims(current_user)
 
 
+@router.get(
+    "/claims/approvals",
+    response_model=list[ExpenseClaimRead],
+    summary="查询当前用户审批待办报销单列表",
+    description="返回当前登录用户有权处理的待审批报销单据，不混入个人报销列表。",
+)
+def list_expense_claim_approvals(db: DbSession, current_user: CurrentUser) -> list[ExpenseClaimRead]:
+    return ExpenseClaimService(db).list_approval_claims(current_user)
+
+
 @router.get(
     "/claims/{claim_id}",
     response_model=ExpenseClaimRead,
@@ -420,7 +431,7 @@ def submit_expense_claim(claim_id: str, db: DbSession, current_user: CurrentUser
     "/claims/{claim_id}/return",
     response_model=ExpenseClaimRead,
     summary="退回报销单",
-    description="财务人员或高级管理人员可将可见报销单退回到待提交状态。",
+    description="财务人员、高级管理人员或当前审批人可将可见报销单退回到待提交状态。",
     responses={
         status.HTTP_404_NOT_FOUND: {
             "model": ErrorResponse,
@@ -440,7 +451,40 @@ def return_expense_claim(
 ) -> ExpenseClaimRead:
     service = ExpenseClaimService(db)
     try:
-        claim = service.return_claim(claim_id, current_user, reason=payload.reason)
+        claim = service.return_claim(claim_id, current_user, reason=payload.reason, reason_codes=payload.reason_codes)
+    except ValueError as error:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(error)) from error
+
+    if claim is None:
+        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Claim not found")
+    return claim
+
+
+@router.post(
+    "/claims/{claim_id}/approve",
+    response_model=ExpenseClaimRead,
+    summary="直属领导审批通过报销单",
+    description="当前审批人确认报销信息无误后，将报销单从直属领导审批流转到财务审批。",
+    responses={
+        status.HTTP_404_NOT_FOUND: {
+            "model": ErrorResponse,
+            "description": "报销单不存在。",
+        },
+        status.HTTP_400_BAD_REQUEST: {
+            "model": ErrorResponse,
+            "description": "当前用户或单据状态不允许审批通过。",
+        },
+    },
+)
+def approve_expense_claim(
+    claim_id: str,
+    payload: ExpenseClaimApprovalPayload,
+    db: DbSession,
+    current_user: CurrentUser,
+) -> ExpenseClaimRead:
+    service = ExpenseClaimService(db)
+    try:
+        claim = service.approve_claim(claim_id, current_user, opinion=payload.opinion)
     except ValueError as error:
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(error)) from error
 

server/src/app/schemas/reimbursement.py

@@ -150,6 +150,11 @@ class ExpenseClaimActionResponse(BaseModel):
 
 class ExpenseClaimReturnPayload(BaseModel):
     reason: str | None = Field(default=None, max_length=500)
+    reason_codes: list[str] = Field(default_factory=list, max_length=10)
+
+
+class ExpenseClaimApprovalPayload(BaseModel):
+    opinion: str | None = Field(default=None, max_length=500)
 
 
 class ExpenseClaimAttachmentActionResponse(BaseModel):

server/src/app/services/document_intelligence.py

@@ -104,7 +104,7 @@ DOCUMENT_RULES: tuple[DocumentRule, ...] = (
         scene_code="transport",
         scene_label="交通票据",
         expense_type="transport",
-        keywords=("滴滴出行", "滴滴", "网约车", "出租车", "打车", "快车", "专车", "订单号", "上车", "下车", "起点", "终点", "里程", "司机"),
+        keywords=("滴滴出行", "滴滴", "网约车", "出租车", "打车", "乘车", "用车", "叫车", "车费", "车资", "的士", "快车", "专车", "订单号", "上车", "下车", "起点", "终点", "里程", "司机"),
         score_bias=0.38,
     ),
     DocumentRule(

server/src/app/services/ontology.py

@@ -167,11 +167,16 @@ EXPENSE_TYPE_KEYWORDS = {
     "出差": "travel",
     "住宿": "hotel",
     "酒店": "hotel",
-    "交通": "transport",
-    "打车": "transport",
-    "网约车": "transport",
-    "出租车": "transport",
-    "停车费": "transport",
+    "交通": "transport",
+    "打车": "transport",
+    "网约车": "transport",
+    "出租车": "transport",
+    "乘车": "transport",
+    "乘车费": "transport",
+    "用车": "transport",
+    "叫车": "transport",
+    "车资": "transport",
+    "停车费": "transport",
     "餐费": "meal",
     "用餐": "meal",
     "会务": "meeting",
@@ -202,9 +207,14 @@ EXPENSE_NARRATIVE_KEYWORDS = (
     "花了",
     "支出",
     "垫付",
-    "打车",
-    "车费",
-    "餐费",
+    "打车",
+    "车费",
+    "乘车",
+    "乘车费",
+    "用车",
+    "叫车",
+    "车资",
+    "餐费",
     "吃饭",
     "用餐",
     "宴请",
@@ -1190,8 +1200,11 @@ class SemanticOntologyService:
                 )
             )
 
-        if any(keyword in query for keyword in ("打车", "网约车", "出租车", "车费", "停车费", "过路费")):
-            upsert(self._make_entity("expense_type", "交通", "transport", role="filter", confidence=0.9))
+        if any(
+            keyword in query
+            for keyword in ("打车", "网约车", "出租车", "车费", "乘车", "用车", "叫车", "车资", "停车费", "过路费")
+        ):
+            upsert(self._make_entity("expense_type", "交通", "transport", role="filter", confidence=0.9))
 
         if any(keyword in query for keyword in ("出差", "机票", "火车", "高铁", "行程单")):
             upsert(self._make_entity("expense_type", "差旅", "travel", role="filter", confidence=0.88))

server/src/app/services/user_agent.py

@@ -226,6 +226,16 @@ SYSTEM_GENERATED_REASON_PREFIXES = (
     "查看报销草稿",
     "请解释一下当前这笔报销的合规风险和待补充项",
 )
+LEADING_REASON_TIME_PATTERNS = (
+    re.compile(
+        r"^\s*(?:识别事项(?:有)?[：:]\s*)?"
+        r"(?:业务发生(?:时间|日期)|费用发生(?:时间|日期)|发生(?:时间|日期)|报销(?:时间|日期)|时间)[：:]?\s*"
+        r"(?:19|20)\d{2}[-/年.]\d{1,2}[-/月.]\d{1,2}日?\s*[，,。；;、]?\s*"
+    ),
+    re.compile(
+        r"^\s*(?:19|20)\d{2}[-/年.]\d{1,2}[-/月.]\d{1,2}日?\s*[，,。；;、]\s*"
+    ),
+)
 AMOUNT_UNIT_ALIASES = {
     "员": "元",
     "圆": "元",
@@ -2298,8 +2308,11 @@ class UserAgentService:
     @staticmethod
     def _resolve_submission_blocked_reasons(payload: UserAgentRequest) -> list[str]:
         raw_reasons = payload.tool_payload.get("submission_blocked_reasons")
-        if raw_reasons is None:
+        submission_blocked = bool(payload.tool_payload.get("submission_blocked"))
+        if raw_reasons is None and submission_blocked:
             raw_reasons = payload.tool_payload.get("missing_fields")
+        if raw_reasons is None and not submission_blocked:
+            return []
 
         reasons: list[str] = []
         if isinstance(raw_reasons, list):
@@ -2311,11 +2324,18 @@ class UserAgentService:
                 if item.strip()
             )
 
-        if not reasons:
+        if not reasons and submission_blocked:
             message = str(payload.tool_payload.get("message") or "").strip()
-            prefix = "提交前请先补全信息："
-            if message.startswith(prefix):
-                message = message[len(prefix):].strip()
+            for prefix in (
+                "提交前请先补全信息：",
+                "AI预审暂未通过，原因如下：",
+                "AI预审未通过，原因如下：",
+                "AI预审暂未通过：",
+                "AI预审未通过：",
+            ):
+                if message.startswith(prefix):
+                    message = message[len(prefix):].strip()
+                    break
             if message:
                 reasons.extend(
                     item.strip()
@@ -2769,7 +2789,7 @@ class UserAgentService:
 
     @classmethod
     def _resolve_reason_text(cls, message: str) -> str:
-        reason = cls._extract_message_reason(message)
+        reason = cls._strip_leading_time_from_reason(cls._extract_message_reason(message))
         if not reason:
             return ""
 
@@ -2799,6 +2819,15 @@ class UserAgentService:
 
         return reason
 
+    @staticmethod
+    def _strip_leading_time_from_reason(value: str) -> str:
+        reason = str(value or "").strip()
+        for pattern in LEADING_REASON_TIME_PATTERNS:
+            next_reason = pattern.sub("", reason).strip()
+            if next_reason != reason:
+                return next_reason
+        return reason
+
     @staticmethod
     def _should_skip_model_answer(
         payload: UserAgentRequest,
@@ -3490,7 +3519,7 @@ class UserAgentService:
             return "travel", "差旅费"
         if any(keyword in compact for keyword in ("住宿", "酒店", "宾馆")):
             return "hotel", "住宿费"
-        if any(keyword in compact for keyword in ("交通", "打车", "网约车", "出租车", "车费", "停车")):
+        if any(keyword in compact for keyword in ("交通", "打车", "网约车", "出租车", "乘车", "用车", "叫车", "车费", "车资", "的士", "停车")):
             return "transport", "交通费"
         if any(keyword in compact for keyword in ("餐费", "用餐", "午餐", "晚餐", "早餐", "伙食")):
             return "meal", "餐费"
@@ -3698,7 +3727,7 @@ class UserAgentService:
                 "group_code": "travel",
                 "scene_label": "住宿票据",
             }
-        if any(keyword in compact for keyword in ("打车", "出租车", "滴滴", "网约车", "过路费", "停车")):
+        if any(keyword in compact for keyword in ("打车", "出租车", "滴滴", "网约车", "乘车", "用车", "叫车", "车费", "车资", "的士", "过路费", "停车")):
             return {
                 "document_type": "transport_receipt",
                 "expense_type": "transport",