P25L-1~P25L-5 实现预算控制与AP最小可用运营

合同 CSV 已回填 reviewer/QA 结果；运行时回归受当前环境缺少 node/npm 阻塞。

server/src/routes/travelRequests.js

@@ -20,8 +20,8 @@ const { FEATURE_FLAG_KEYS, evaluateFeatureFlag } = require("../services/featureF
 const { ensureCutoverAllowed } = require("../services/cutover");
 const {
   buildPersistedRiskFlag,
-  buildTravelRequestPrecheck,
   createRiskFlagsFromPrecheck,
+  resolveEntityPrecheck,
 } = require("../services/feeControl");
 const { NOTIFICATION_TYPES } = require("../constants/notificationTypes");
 
@@ -300,20 +300,6 @@ function ensureDateRangeValid(startDate, endDate) {
   }
 }
 
-function buildDisabledPrecheck(entityType, entityId) {
-  return {
-    entityType,
-    entityId,
-    decision: "pass",
-    matchedBudgetControlRule: null,
-    budgetHint: null,
-    warnings: [],
-    blockingReasons: [],
-    riskFlags: [],
-    nextActions: ["功能未开启，沿用当前提交流程"],
-  };
-}
-
 function buildPrecheckBlockedError(precheck) {
   return new AppError({
     code: "VALID_001",
@@ -922,29 +908,13 @@ async function createTravelRequestsRoutes(fastify) {
     },
     async (request, reply) => {
       const travelRequestId = parseTravelRequestId(request.params?.id);
-      const travelRequest = await fastify.prisma.travelRequest.findUnique({
-        where: { id: travelRequestId },
-        select: { id: true, department_id: true },
-      });
-      if (!travelRequest) {
-        throw new AppError({ code: "SYS_404", message: "Not Found", statusCode: 404 });
-      }
-
-      const gate = await evaluateFeatureFlag({
+      const precheck = await resolveEntityPrecheck({
         prisma: fastify.prisma,
         config: fastify.config,
-        flagKey: FEATURE_FLAG_KEYS.budgetPrecheck,
-        departmentId: travelRequest.department_id ?? request.employee.department_id ?? null,
-        strictDepartment: false,
-      });
-      if (!gate.enabled) {
-        return sendData(reply, request, buildDisabledPrecheck("travel_request", travelRequestId));
-      }
-
-      const precheck = await buildTravelRequestPrecheck(fastify.prisma, {
-        travelRequestId,
-        config: fastify.config,
         logger: fastify.log,
+        entityType: "travel_request",
+        entityId: travelRequestId,
+        actorDepartmentId: request.employee.department_id ?? null,
       });
       return sendData(reply, request, precheck);
     },
@@ -978,20 +948,14 @@ async function createTravelRequestsRoutes(fastify) {
           throw buildValidationError({ segments: "required" }, 409);
         }
 
-        const budgetPrecheckGate = await evaluateFeatureFlag({
+        const authoritativePrecheck = await resolveEntityPrecheck({
           prisma: tx,
           config: fastify.config,
-          flagKey: FEATURE_FLAG_KEYS.budgetPrecheck,
-          departmentId: travelRequest.department_id ?? request.employee.department_id ?? null,
-          strictDepartment: false,
+          logger: fastify.log,
+          entityType: "travel_request",
+          entityId: travelRequestId,
+          actorDepartmentId: request.employee.department_id ?? null,
         });
-        const authoritativePrecheck = budgetPrecheckGate.enabled
-          ? await buildTravelRequestPrecheck(tx, {
-              travelRequestId,
-              config: fastify.config,
-              logger: fastify.log,
-            })
-          : buildDisabledPrecheck("travel_request", travelRequestId);
         if (authoritativePrecheck.decision === "block") {
           throw buildPrecheckBlockedError(authoritativePrecheck);
         }