feat: Add account deletion functionality for both agents and regular users.

src/users/users.controller.ts

@@ -2,6 +2,7 @@ import {
   Controller,
   Get,
   Put,
+  Delete,
   Param,
   Patch,
   Body,
@@ -176,6 +177,19 @@ export class UsersController {
     return this.usersService.updatePrivacyPreferences(user.id, data);
   }
 
+  // =============================================
+  // DELETE ACCOUNT
+  // =============================================
+
+  @Delete('account')
+  @Roles(UserRole.USER)
+  @ApiOperation({ summary: 'Delete user account permanently (Regular users only)' })
+  @ApiResponse({ status: 200, description: 'Account deleted successfully' })
+  @ApiResponse({ status: 404, description: 'User not found' })
+  async deleteAccount(@CurrentUser() user: { id: string }) {
+    return this.usersService.deleteAccount(user.id);
+  }
+
   // =============================================
   // ADMIN ENDPOINTS
   // =============================================

src/users/users.service.ts

@@ -485,4 +485,38 @@ export class UsersService {
 
     return updatedUser.privacyPreferences;
   }
+
+  // =============================================
+  // DELETE ACCOUNT
+  // =============================================
+
+  async deleteAccount(userId: string) {
+    const user = await this.prisma.user.findUnique({
+      where: { id: userId },
+      select: { id: true, role: true },
+    });
+
+    if (!user) {
+      throw new NotFoundException('User not found');
+    }
+
+    if (user.role !== UserRole.USER) {
+      throw new BadRequestException('This endpoint is for regular users only');
+    }
+
+    // Delete in a transaction to ensure data consistency
+    await this.prisma.$transaction(async (tx) => {
+      // Delete user profile if it exists
+      await tx.userProfile.deleteMany({
+        where: { userId },
+      });
+
+      // Delete the user account
+      await tx.user.delete({
+        where: { id: userId },
+      });
+    });
+
+    return { message: 'Account deleted successfully' };
+  }
 }