Add send_provider_application_notification() method:
- Hooks to frm_after_create_entry for job application form submissions
- Extracts applicant details (name, email, message) and job_id
- Fetches job details (title, location, type) from post and ACF fields
- Sends email to provider contact email (job_contact_email ACF field)
- Email includes full applicant info and job context
- Provider can reply directly to applicant email
- Error logging for missing contact email or wp_mail failures
Hook registered in setup_hooks() method
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>