# Create or update sponsor profile

Creates or updates the sponsor profile for the authenticated user. This endpoint is for
sponsors (BRAND, ARTIST roles) to manage their organization profile information.

Endpoint: PUT /sponsor/profile
Version: 0.1.0
Security: bearerAuth

## Request fields (application/json):

  - `displayName` (string, required)
    Human-friendly name shown in UI
    Example: "My Brand"

  - `organizationName` (string,null)
    Organization or company name
    Example: "My Company Inc."

  - `websiteUrl` (string,null)
    Website URL
    Example: "https://example.com"

  - `contactEmail` (string,null)
    Contact email (defaults to user email if not provided)
    Example: "contact@example.com"

## Response 200 fields (application/json):

  - `sponsorProfile` (object)

  - `sponsorProfile.id` (string)
    Example: "sponsor_profile_123"

  - `sponsorProfile.displayName` (string)
    Example: "My Brand"

  - `sponsorProfile.organizationName` (string,null)
    Example: "My Company Inc."

  - `sponsorProfile.websiteUrl` (string,null)
    Example: "https://example.com"

  - `sponsorProfile.contactEmail` (string,null)
    Example: "contact@example.com"

## Response 400 fields (application/json):

  - `error` (string, required)
    Error code that identifies the type of error. This is a stable identifier that can be used
for programmatic error handling. Common codes include:
- NOT_FOUND - Resource not found
- VALIDATION_ERROR - Input validation failed
- PERMISSION_DENIED - User lacks permission for the action
- CONFLICT - Request conflicts with current resource state
- UNAUTHORIZED - Authentication required
- INTERNAL_SERVER_ERROR - Unexpected server error
    Example: "VALIDATION_ERROR"

  - `message` (string, required)
    User-friendly error message that should always be displayed to end users. This message is
designed to be clear, actionable, and free of technical details.

This field is always present and contains the primary message for end users.
    Example: "The email address you entered is not valid. Please check the format and try again."

  - `technicalMessage` (string)
    Optional technical message for developers. Contains detailed information including IDs,
error codes, and technical context. Only included when it differs from the user-friendly
message field. When present, developers can use this for debugging while end users
should see the message field.
    Example: "Campaign with ID campaign_123 not found"

  - `details` (object)
    Additional error details (optional). May contain structured information about the error,
such as validation field errors or additional context.

  - `requestId` (string)
    Unique request identifier for tracing. Included in X-Request-ID header and can be used
to correlate errors with server logs.
    Example: "550e8400-e29b-41d4-a716-446655440000"

  - `timestamp` (string, required)
    ISO 8601 timestamp when the error occurred
    Example: "2024-01-01T00:00:00Z"

## Response 401 fields (application/json):

  - `error` (string, required)
    Error code that identifies the type of error. This is a stable identifier that can be used
for programmatic error handling. Common codes include:
- NOT_FOUND - Resource not found
- VALIDATION_ERROR - Input validation failed
- PERMISSION_DENIED - User lacks permission for the action
- CONFLICT - Request conflicts with current resource state
- UNAUTHORIZED - Authentication required
- INTERNAL_SERVER_ERROR - Unexpected server error
    Example: "VALIDATION_ERROR"

  - `message` (string, required)
    User-friendly error message that should always be displayed to end users. This message is
designed to be clear, actionable, and free of technical details.

This field is always present and contains the primary message for end users.
    Example: "The email address you entered is not valid. Please check the format and try again."

  - `technicalMessage` (string)
    Optional technical message for developers. Contains detailed information including IDs,
error codes, and technical context. Only included when it differs from the user-friendly
message field. When present, developers can use this for debugging while end users
should see the message field.
    Example: "Campaign with ID campaign_123 not found"

  - `details` (object)
    Additional error details (optional). May contain structured information about the error,
such as validation field errors or additional context.

  - `requestId` (string)
    Unique request identifier for tracing. Included in X-Request-ID header and can be used
to correlate errors with server logs.
    Example: "550e8400-e29b-41d4-a716-446655440000"

  - `timestamp` (string, required)
    ISO 8601 timestamp when the error occurred
    Example: "2024-01-01T00:00:00Z"

## Response 404 fields (application/json):

  - `error` (string, required)
    Error code that identifies the type of error. This is a stable identifier that can be used
for programmatic error handling. Common codes include:
- NOT_FOUND - Resource not found
- VALIDATION_ERROR - Input validation failed
- PERMISSION_DENIED - User lacks permission for the action
- CONFLICT - Request conflicts with current resource state
- UNAUTHORIZED - Authentication required
- INTERNAL_SERVER_ERROR - Unexpected server error
    Example: "VALIDATION_ERROR"

  - `message` (string, required)
    User-friendly error message that should always be displayed to end users. This message is
designed to be clear, actionable, and free of technical details.

This field is always present and contains the primary message for end users.
    Example: "The email address you entered is not valid. Please check the format and try again."

  - `technicalMessage` (string)
    Optional technical message for developers. Contains detailed information including IDs,
error codes, and technical context. Only included when it differs from the user-friendly
message field. When present, developers can use this for debugging while end users
should see the message field.
    Example: "Campaign with ID campaign_123 not found"

  - `details` (object)
    Additional error details (optional). May contain structured information about the error,
such as validation field errors or additional context.

  - `requestId` (string)
    Unique request identifier for tracing. Included in X-Request-ID header and can be used
to correlate errors with server logs.
    Example: "550e8400-e29b-41d4-a716-446655440000"

  - `timestamp` (string, required)
    ISO 8601 timestamp when the error occurred
    Example: "2024-01-01T00:00:00Z"