feat: Introduce agent profile verification history tracking and status notifications for agents.

prisma/schema.prisma

@@ -161,6 +161,9 @@ model User {
   reportsSubmitted  UserReport[] @relation("ReportsSubmitted")
   reportsReceived   UserReport[] @relation("ReportsReceived")
 
+  // Verification actions (admin)
+  verificationActions VerificationHistory[] @relation("VerificationActions")
+
   @@index([email])
   @@index([role])
   @@index([status])
@@ -275,6 +278,9 @@ model AgentProfile {
   @@index([agentTypeId])
   @@index([slug])
   @@index([city, state])
+  // Verification History
+  verificationHistory VerificationHistory[]
+
   @@index([isVerified])
   @@index([verificationStatus])
   @@index([isPublic])
@@ -761,3 +767,22 @@ model ContactMessage {
   @@index([createdAt])
   @@map("contact_messages")
 }
+
+// ============================================
+// VERIFICATION HISTORY
+// ============================================
+model VerificationHistory {
+  id              String             @id @default(uuid())
+  agentProfileId  String
+  status          VerificationStatus
+  note            String?
+  adminId         String?
+  createdAt       DateTime           @default(now())
+
+  agentProfile    AgentProfile       @relation(fields: [agentProfileId], references: [id], onDelete: Cascade)
+  admin           User?              @relation("VerificationActions", fields: [adminId], references: [id])
+
+  @@index([agentProfileId])
+  @@index([createdAt])
+  @@map("verification_history")
+}