Updates specific fields of an existing qualification application.

Business Context:
Use this endpoint to modify application details such as applicant information,
team assignments, or application metadata without requiring full application recreation.

What Can Be Updated:

Primary Applicant Information:

• Personal details (name, email, phone, date of birth)
• Contact information and current address
• SSN and identification details

Co-Applicant Information:

• All co-applicant personal and contact details
• Co-applicant address information
• Co-applicant identification

Team Assignments:

• Sales representative assignment
• Dealer assignment
• Installer assignment

Application Metadata:

• Agreement and product types
• Reference IDs and external identifiers

Business Rules:

• Applications in submitted or later status may have restricted update permissions
• Team changes may trigger workflow notifications
• Primary applicant changes may require re-qualification

Common Use Cases:

• Correcting applicant information before submission
• Adding or updating co-applicant details
• Reassigning applications to different team members
• Updating contact information for communication