feat: prepared-open-api-specs-for-oauth

[Zaimwa9]

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• I have filled in the "Changes" section below.
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Changes

Contributes to #6677

Prepares the MCP OpenAPI spec for OAuth integration with Gram:

• OAuth security scheme: Added oauth2 (authorization code flow) alongside existing in the MCP OpenAPI spec. Gram reads this to know which authentication methods are supported.
• Dynamic server URL: The servers URL in the MCP OpenAPI spec now reads from FLAGSMITH_API_URL instead of being. Same for the OAuth authorizationUrl and tokenUrl, derived from FLAGSMITH_FRONTEND_URL and FLAGSMITH_API_URL

How did you test this code?

• Added tests, waiting for E2E

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Project	Deployment	Actions	Updated (UTC)
docs	Ready	Preview, Comment	Apr 7, 2026 4:17pm
flagsmith-frontend-preview	Ready	Preview, Comment	Apr 7, 2026 4:17pm
flagsmith-frontend-staging	Ready	Preview, Comment	Apr 7, 2026 4:17pm

[github-actions]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-e2e:pr-7148	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api-test:pr-7148	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api:pr-7148	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith:pr-7148	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-private-cloud:pr-7148	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-frontend:pr-7148	Finished ✅	Results ✅

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (feat/oauth-consent-frontend@d63423e). Learn more about missing BASE report.

Additional details and impacted files

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##             feat/oauth-consent-frontend    #7148   +/-   ##
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  Branches                               ?        0           
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  Hits                                   ?    49805           
  Misses                                 ?      830           
  Partials                               ?        0           

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[github-actions]

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

 10 passed

Details

 10 tests across 7 suites
 24 seconds
 63c2594
 🔄 Run: #15819 (attempt 1)

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

 10 passed

Details

 10 tests across 7 suites
 23.8 seconds
 e4b8cec
 🔄 Run: #15818 (attempt 1)

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

 10 passed

Details

 10 tests across 7 suites
 47.4 seconds
 63c2594
 🔄 Run: #15819 (attempt 1)

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

 10 passed

Details

 10 tests across 7 suites
 50.6 seconds
 e4b8cec
 🔄 Run: #15818 (attempt 1)

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

 16 passed

Details

 16 tests across 13 suites
 29.4 seconds
 e4b8cec
 🔄 Run: #15818 (attempt 1)

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

 16 passed

Details

 16 tests across 13 suites
 58.4 seconds
 e4b8cec
 🔄 Run: #15818 (attempt 1)

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

 10 passed

Details

 10 tests across 7 suites
 44 seconds
 cec3de1
 🔄 Run: #15833 (attempt 1)

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

 10 passed

Details

 10 tests across 7 suites
 12.5 seconds
 cec3de1
 🔄 Run: #15833 (attempt 1)

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

 16 passed

Details

 16 tests across 13 suites
 18.1 seconds
 cec3de1
 🔄 Run: #15833 (attempt 1)