feat: added v1 versioning segment updates tools

[Zaimwa9]

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• I have added information to docs/ if required so people know about the feature.
• I have filled in the "Changes" section below.
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Changes

MCP segment overrides were only enabled for environments using v2 versioning.

• Tagged endpoints for creating overrides with v1 environments

How did you test this code?

• Tests

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3 Skipped Deployments

Project	Deployment	Actions	Updated (UTC)
docs	Ignored		May 12, 2026 8:06am
flagsmith-frontend-preview	Ignored		May 12, 2026 8:06am
flagsmith-frontend-staging	Ignored		May 12, 2026 8:06am

[github-actions]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-e2e:pr-7489	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-frontend:pr-7489	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-api-test:pr-7489	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-private-cloud:pr-7489	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith:pr-7489	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-api:pr-7489	Finished ✅	Results ✅

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.44%. Comparing base (fbb1052) to head (152ef9a).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7489   +/-   ##
=======================================
  Coverage   98.44%   98.44%           
=======================================
  Files        1399     1399           
  Lines       52667    52669    +2     
=======================================
+ Hits        51847    51849    +2     
  Misses        820      820           

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[github-actions]

Playwright Test Results (private-cloud - depot-ubuntu-latest-arm-16)

 18 passed

Details

 18 tests across 14 suites
 1 minute, 4 seconds
 152ef9a
 🔄 Run: #16684 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-16)

 1 passed

Details

 1 test across 1 suite
 37.8 seconds
 152ef9a
 🔄 Run: #16684 (attempt 1)

Playwright Test Results (private-cloud - depot-ubuntu-latest-16)

 3 passed

Details

 3 tests across 3 suites
 32.5 seconds
 152ef9a
 🔄 Run: #16684 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-arm-16)

 1 passed

Details

 1 test across 1 suite
 45.5 seconds
 152ef9a
 🔄 Run: #16684 (attempt 1)

[github-actions]

Visual Regression

16 screenshots compared. See report for details.
View full report