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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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: fb7d343c-0fdf-471a-bf0b-343e79936ef5

📥 Commits

Reviewing files that changed from the base of the PR and between a19715c and a855a70.

📒 Files selected for processing (1)

• raystack/frontier/v1beta1/frontier.proto

🚧 Files skipped from review as they are similar to previous changes (1)

• raystack/frontier/v1beta1/frontier.proto

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📝 Walkthrough

Walkthrough

This change replaces the old RemoveOrganizationUser RPC with a new RemoveOrganizationMember RPC in the FrontierService protobuf. The new RPC uses RemoveOrganizationMemberRequest (fields: org_id, principal_id, principal_type) and returns an empty RemoveOrganizationMemberResponse. The previous RemoveOrganizationUserRequest/Response messages and RPC were removed.

Sequence Diagram(s)

sequenceDiagram
participant Client
participant Frontier as FrontierService
participant OrgSvc as OrganizationService
participant DB as Database

Client->>Frontier: RemoveOrganizationMember(org_id, principal_id, principal_type)
Frontier->>OrgSvc: validate request & resolve principal
OrgSvc->>DB: remove membership record
DB-->>OrgSvc: deletion acknowledgement
OrgSvc-->>Frontier: operation result
Frontier-->>Client: RemoveOrganizationMemberResponse

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Suggested reviewers

• whoAbhishekSah
• AmanGIT07
• rsbh

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: adding a new RemoveOrganizationMember RPC to the FrontierService.
Description check	✅ Passed	The description is directly related to the changeset, outlining the new RPC addition, its parameters, and placement within the service.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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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[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 21, 2026, 5:29 AM