Adding headless value to RequestOrigin enum

[galvana]

Ticket ENG-1826

Description Of Changes

Updates the RequestOrigin enum with the missing headless value. Includes a test to make sure the RequestOrigin and ComponentType enums don't drift

Steps to Confirm

1. Tested in Fidesplus https://github.com/ethyca/fidesplus/pull/2725

Pre-Merge Checklist

• Issue requirements met
• All CI pipelines succeeded
• CHANGELOG.md updated
  • Add a db-migration This indicates that a change includes a database migration label to the entry if your change includes a DB migration
  • Add a high-risk This issue suggests changes that have a high-probability of breaking existing code label to the entry if your change includes a high-risk change (i.e. potential for performance impact or unexpected regression) that should be flagged
  • Updates unreleased work already in Changelog, no new entry necessary
• UX feedback:
  • All UX related changes have been reviewed by a designer
  • No UX review needed
• Followup issues:
  • Followup issues created
  • No followup issues
• Database migrations:
  • Ensure that your downrev is up to date with the latest revision on main
  • Ensure that your downgrade() migration is correct and works
    • If a downgrade migration is not possible for this change, please call this out in the PR description!
  • No migrations
• Documentation:
  • Documentation complete, PR opened in fidesdocs
  • Documentation issue created in fidesdocs
  • If there are any new client scopes created as part of the pull request, remember to update public-facing documentation that references our scope registry
  • No documentation updates required

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[greptile-apps]

Greptile Overview

Greptile Summary

Added the missing headless value to the RequestOrigin enum to maintain parity with the ComponentType enum. This change prevents runtime errors when saving privacy preferences from headless experiences.

The PR also includes a comprehensive test that enforces the constraint that RequestOrigin must be a superset of ComponentType. This test will catch any future misalignment between these two enums, which is critical since request_origin is derived from component_type when saving privacy preferences.

Key Changes:

• Added headless = "headless" to RequestOrigin enum in privacy_preference.py:47
• Added TestRequestOriginComponentTypeRelationship test class with validation logic
• Test includes clear documentation explaining why this constraint is necessary

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The change is straightforward and well-tested. It adds a missing enum value that already exists in ComponentType, preventing a potential runtime error. The new test ensures this type of drift won't happen in the future. No breaking changes or complex logic involved.
• No files require special attention

Important Files Changed

File Analysis

Filename	Score	Overview
src/fides/api/models/privacy_preference.py	5/5	Added headless value to RequestOrigin enum to maintain parity with ComponentType
tests/ops/models/test_privacy_preference.py	5/5	Added test to enforce RequestOrigin must be superset of ComponentType to prevent runtime errors

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.29%. Comparing base (4cb7648) to head (fc1cbd5).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6902   +/-   ##
=======================================
  Coverage   87.29%   87.29%           
=======================================
  Files         523      523           
  Lines       34171    34172    +1     
  Branches     3932     3932           
=======================================
+ Hits        29828    29829    +1     
  Misses       3487     3487           
  Partials      856      856           

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