feat(frontier): add RemoveOrganizationMember RPC

[rohilsurana]

Summary

• Add RemoveOrganizationMember RPC to FrontierService in frontier.proto
• Request takes org_id, principal_id, and principal_type (supports all principal types, not just users)
• Placed alongside existing membership RPCs (SetOrganizationMemberRole, RemoveOrganizationUser)

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 4a531f68-c640-4204-bb80-ade3ad9a939c

📥 Commits

Reviewing files that changed from the base of the PR and between a19715c and b9da8ed.

📒 Files selected for processing (1)

• raystack/frontier/v1beta1/frontier.proto

📝 Walkthrough

Walkthrough

This pull request adds a new RPC method called RemoveOrganizationMember to the FrontierService in the protobuf definitions. The RPC accepts a request containing an organization ID, a principal ID, and a principal type (all with validation rules), and returns an empty response. The changes are minimal and focused, adding the new service method along with its associated request and response message types without modifying any existing RPC definitions or messages.

Suggested reviewers

• rsbh
• whoAbhishekSah
• AmanGIT07

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The pull request title clearly and concisely summarizes the main change: adding a RemoveOrganizationMember RPC to the FrontierService, which matches the changeset exactly.
Description check	✅ Passed	The pull request description is directly related to the changeset, providing relevant details about the new RPC, its parameters, and its placement alongside existing membership RPCs.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[github-actions]

The latest Buf updates on your PR. Results from workflow Validate / validate (pull_request).

Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	⏩ skipped	✅ passed	✅ passed	Apr 17, 2026, 10:13 AM