refactor(server): remove unused ListOrganizationsByDomain messages and authz entry

[AmanGIT07]

Summary

FrontierService does not define a ListOrganizationsByDomain rpc. Only its request/response messages and an authorization interceptor entry existed. This removes both.

Changes

• Remove the ListOrganizationsByDomain entry from the authorization interceptor map; procedures missing from the map are denied by default.
• Bump PROTON_COMMIT to raystack/proton@f7f9282, which drops the unused ListOrganizationsByDomainRequest/ListOrganizationsByDomainResponse messages (refactor(frontier): remove unused ListOrganizationsByDomain messages proton#491).
• Regenerate proto/v1beta1/frontier.pb.go.

Technical Details

The large diff in frontier.pb.go is descriptor index renumbering from removing two messages. The only type-level changes are the two removed message structs and their methods.

Test Plan

• Manual testing completed
• Build and type checking passes
• go test ./pkg/server/... ./internal/api/v1beta1connect/... passes
• Verified via protoreflect that the compiled FrontierService descriptor is unchanged (180 methods; ListOrganizationsByDomain was never among them)

🤖 Generated with Claude Code

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Project	Deployment	Actions	Updated (UTC)
frontier	Ready	Preview, Comment	Jul 23, 2026 6:42am

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro Plus

Run ID: 9d834b4c-38be-4e2e-9e19-064108c7057e

📥 Commits

Reviewing files that changed from the base of the PR and between c99f1f8 and c7c8163.

⛔ Files ignored due to path filters (1)

• proto/v1beta1/frontier.pb.go is excluded by !**/*.pb.go, !proto/**

📒 Files selected for processing (2)

• Makefile
• pkg/server/connect_interceptors/authorization.go

💤 Files with no reviewable changes (1)

• pkg/server/connect_interceptors/authorization.go

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📝 Walkthrough

Summary by CodeRabbit

• Bug Fixes
  • Improved authorization enforcement for organization lookups by domain. Requests without the required permissions are now denied instead of proceeding without validation.
• Maintenance
  • Updated the underlying Proton source version used during protobuf generation, improving alignment with the latest supported source revision.

Walkthrough

The PR updates the Proton commit used by the proto Makefile target and removes the ListOrganizationsByDomain authorization-map entry so the interceptor applies its default denial behavior.

Changes

Proton source pin

Layer / File(s)	Summary
Update Proton source commit Makefile	The PROTON_COMMIT pin used to download Proton sources is updated to a newer commit.

Authorization default behavior

Layer / File(s)	Summary
Remove procedure exemption pkg/server/connect_interceptors/authorization.go	ListOrganizationsByDomain is removed from authorizationValidationMap and now follows the interceptor’s default unauthorized response path.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related PRs

• raystack/frontier#1436: Updates the same PROTON_COMMIT pin in Makefile.
• raystack/frontier#1549: Modifies the same authorization map and Proton pin areas.
• raystack/frontier#1560: Performs a related Proton commit update and proto regeneration.

Suggested reviewers: rohilsurana

🚥 Pre-merge checks | ✅ 2

✅ Passed checks (2 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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[coveralls]

Coverage Report for CI Build 29985851519

Warning

No base build found for commit c99f1f8 on main.
Coverage changes can't be calculated without a base build.
If a base build is processing, this comment will update automatically when it completes.

Coverage: 46.213%

Details

• Patch coverage: No coverable lines changed in this PR.

Uncovered Changes

No uncovered changes found.

Coverage Regressions

Requires a base build to compare against. How to fix this →

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Coverage Stats

Relevant Lines:	38535
Covered Lines:	17808
Line Coverage:	46.21%
Coverage Strength:	14.07 hits per line

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💛 - Coveralls