Function auditLog

auditLog(
action: string,
): (output: any, input: any, context: AuthContext) => Promise<boolean>
Creates an audit logging condition. This condition logs an audit event after a method successfully executes. Sensitive information is sanitized before logging.
Parameters
- action: string
  A string describing the action being audited (e.g., "USER_LOGIN", "DATA_UPDATE").
Returns (output: any, input: any, context: AuthContext) => Promise<boolean>
A condition function that takes output, input, and authentication context, and returns a Promise resolving to a boolean.
Example
```
class AuthService {
  @contract({
    ensures: [auditLog("USER_LOGIN")],
  })
  async login(credentials: { username: string; password: string }, context: AuthContext) {
    // Login logic
    return { success: true, userId: "user123" };
  }
}
```
- Defined in conditions/audit.ts:53