feat: 实现服务层核心功能与文档更新

refactor(ProductService): 修复createProduct方法和其他方法错误
fix(InventoryAgingService): 修复AGING_THRESHOLD_DAYS引用问题
fix(InventoryService): 修复predictSKUDemand方法
refactor(ChatBotController): 从tsoa风格改为Express风格
fix(CommandCenterController): 修复类型问题
fix(AdAutoService): 修复stock可能为undefined的问题
docs: 更新SERVICE_MAP、DOMAIN_MODEL等架构文档
chore: 启动前端服务(运行在http://localhost:8000)

server/src/services/SovereignCreditPoolService.ts

@@ -34,15 +34,20 @@ export class SovereignCreditPoolService {
         status: 'ACTIVE'
       });
 
-      await AuditService.log({
-        tenant_id: tenantId,
-        action: 'SOV_CREDIT_POOL_INIT',
-        target_type: 'FINANCE_CREDIT',
-        target_id: tenantId,
-        trace_id: traceId,
-        new_data: JSON.stringify({ initialLimit, multiplier }),
-        metadata: JSON.stringify({ did: identity.did })
-      });
+ // 4. 审计日志
+    await AuditService.log({
+      tenantId: tenantId,
+      userId: 'SYSTEM',
+      module: 'CREDIT_POOL',
+      action: 'ESTABLISH_CREDIT_PROFILE',
+      resourceType: 'FINANCE_CREDIT',
+      resourceId: tenantId,
+      traceId: traceId,
+      afterSnapshot: JSON.stringify({ initialLimit, multiplier }),
+      result: 'success',
+      source: 'node',
+      metadata: { did: identity.did }
+    });
     });
   }
 
@@ -77,7 +82,7 @@ export class SovereignCreditPoolService {
       target_id: tenantId,
       trace_id: traceId,
       new_data: JSON.stringify({ newLimit, newMultiplier }),
-      metadata: JSON.stringify({ score: reputation.aggregated_market_score })
+      metadata: { score: reputation.aggregated_market_score }
     });
   }