refactor(audit): 统一审计日志字段命名并增强日志信息

标准化审计日志字段命名，将tenant_id等改为camelCase格式
添加userId、module等新字段以增强审计追踪能力
修改metadata字段为对象类型以提高可读性

server/src/services/SovereignCreditPoolService.ts

@@ -76,12 +76,16 @@ export class SovereignCreditPoolService {
       });
 
     await AuditService.log({
-      tenant_id: tenantId,
+      tenantId: tenantId,
+      userId: 'SYSTEM',
+      module: 'CREDIT_POOL',
       action: 'SOV_CREDIT_LIMIT_REFRESHED',
-      target_type: 'FINANCE_CREDIT',
-      target_id: tenantId,
-      trace_id: traceId,
-      new_data: JSON.stringify({ newLimit, newMultiplier }),
+      resourceType: 'FINANCE_CREDIT',
+      resourceId: tenantId,
+      traceId: traceId,
+      afterSnapshot: JSON.stringify({ newLimit, newMultiplier }),
+      result: 'success',
+      source: 'node',
       metadata: { score: reputation.aggregated_market_score }
     });
   }

server/src/services/SovereigntyIdentityService.ts

@@ -1,7 +1,7 @@
 import db from '../config/database';
 import { AuditService } from './AuditService';
 import { AIService } from './AIService';
-import { crypto } from 'crypto';
+import * as crypto from 'crypto';
 
 /**
  * [BIZ_SOV_01] 跨平台贸易主权证书体系 (Sovereignty Identity)
@@ -35,13 +35,17 @@ export class SovereigntyIdentityService {
 
       // 审计记录
       await AuditService.log({
-        tenant_id: tenantId,
+        tenantId: tenantId,
+        userId: 'SYSTEM',
+        module: 'SOVEREIGNTY',
         action: 'SOVEREIGNTY_IDENTITY_CREATED',
-        target_type: 'TENANT_IDENTITY',
-        target_id: tenantId,
-        trace_id: traceId,
-        new_data: JSON.stringify({ did, publicKey }),
-        metadata: JSON.stringify({ version: 'V27.0 Initial' })
+        resourceType: 'TENANT_IDENTITY',
+        resourceId: tenantId,
+        traceId: traceId,
+        afterSnapshot: JSON.stringify({ did, publicKey }),
+        result: 'success',
+        source: 'node',
+        metadata: { version: 'V27.0 Initial' }
       });
     });
 
@@ -57,7 +61,7 @@ export class SovereigntyIdentityService {
     const scores = await Promise.all(platforms.map(p => AIService.getPlatformReputation(tenantId, p)));
     
     // 2. 计算加权综合评分
-    const averageScore = scores.reduce((a, b) => a + b, 0) / scores.length;
+    const averageScore = scores.reduce((a: number, b: number) => a + b, 0) / scores.length;
 
     await db('cf_sovereignty_identity')
       .where({ tenant_id: tenantId })
@@ -67,13 +71,17 @@ export class SovereigntyIdentityService {
       });
 
     await AuditService.log({
-      tenant_id: tenantId,
+      tenantId: tenantId,
+      userId: 'SYSTEM',
+      module: 'SOVEREIGNTY',
       action: 'REPUTATION_SYNCED',
-      target_type: 'TENANT_IDENTITY',
-      target_id: tenantId,
-      trace_id: traceId,
-      new_data: JSON.stringify({ averageScore }),
-      metadata: JSON.stringify({ platforms })
+      resourceType: 'TENANT_IDENTITY',
+      resourceId: tenantId,
+      traceId: traceId,
+      afterSnapshot: JSON.stringify({ averageScore }),
+      result: 'success',
+      source: 'node',
+      metadata: { platforms }
     });
   }