feat: complete drainage review and admin search workflows

api/prisma/schema.prisma

@@ -26,6 +26,7 @@ model Tenant {
   smsBillingRecords     SmsBillingRecord[]
   smsApplications       SmsApplication[]
   smsSignatures         SmsSignature[]
+  smsDrainageInfos      SmsDrainageInfo[]
   smsTemplates          SmsTemplate[]
   auditRecords          AuditRecord[]
   riskRules             RiskRule[]
@@ -366,6 +367,7 @@ model SmsApplication {
   tenant      Tenant                      @relation(fields: [tenantId], references: [id])
   ipAllowlist SmsApplicationIpAllowlist[]
   signatures  SmsSignature[]
+  drainageInfos SmsDrainageInfo[]
   templates   SmsTemplate[]
   enterpriseBlacklists EnterpriseBlacklist[]
   sendTasks   SmsSendTask[]
@@ -413,6 +415,7 @@ model SmsSignature {
   templates   SmsTemplate[]
   reportMaterials SignatureReportMaterial[]
   drainageReportMaterials DrainageReportMaterial[]
+  drainageItems  SmsDrainageInfo[]
   reportTasks     ChannelSignatureReportTask[]
   messageRecords  SmsMessageRecord[]
 
@@ -420,6 +423,32 @@ model SmsSignature {
   @@index([tenantId, reportStatus])
 }
 
+model SmsDrainageInfo {
+  id            String   @id @default(cuid())
+  tenantId      String
+  signatureId   String
+  applicationId String?
+  siteName      String
+  url           String
+  remark        String?
+  reportValues  Json?
+  auditStatus   String   @default("pending")
+  rejectReason  String?
+  submittedAt   DateTime @default(now())
+  reviewedAt    DateTime?
+  createdAt     DateTime @default(now())
+  updatedAt     DateTime @updatedAt
+
+  tenant      Tenant          @relation(fields: [tenantId], references: [id])
+  signature   SmsSignature    @relation(fields: [signatureId], references: [id], onDelete: Cascade)
+  application SmsApplication? @relation(fields: [applicationId], references: [id])
+  reportTasks ChannelSignatureReportTask[]
+
+  @@index([tenantId, auditStatus, updatedAt])
+  @@index([signatureId, auditStatus])
+  @@index([applicationId])
+}
+
 model SignatureMaterial {
   id          String   @id @default(cuid())
   signatureId String
@@ -730,6 +759,7 @@ model ChannelSignatureReportTask {
 
   signature SmsSignature @relation(fields: [signatureId], references: [id])
   channel   SmsChannel   @relation(fields: [channelId], references: [id])
+  drainageInfo SmsDrainageInfo? @relation(fields: [drainageItemId], references: [id])
   records   ChannelSignatureReportRecord[]
   exportFiles ReportExportFile[]
   receiptImports ReportReceiptImport[]
@@ -749,6 +779,7 @@ model ChannelSignatureReportRecord {
   statusAfter  String
   reason      String?
   operatorId  String?
+  sourceEntry String   @default("system")
   createdAt   DateTime @default(now())
 
   task    ChannelSignatureReportTask @relation(fields: [taskId], references: [id], onDelete: Cascade)