feat(frontier): add SetProjectMemberRole RPC

[whoAbhishekSah]

Summary

• Add SetProjectMemberRole RPC for atomic role assignment on project members
• Add request/response message definitions with UUID validation

Related: raystack/frontier#1461

🤖 Generated with Claude Code

Summary by CodeRabbit

• New Features
  • Added API endpoint to set and manage project member roles, allowing administrators to assign or update roles for team members within projects.

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ℹ️ Review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 52561782-aa78-49c5-bef4-28fb618b4add

📥 Commits

Reviewing files that changed from the base of the PR and between c0f7151 and f51485d.

📒 Files selected for processing (1)

• raystack/frontier/v1beta1/frontier.proto

📝 Walkthrough

Walkthrough

Added a new RPC service method SetProjectMemberRole to the FrontierService in the frontier.proto file. This endpoint accepts a request containing project ID, user ID, and role ID (all validated as UUIDs) and returns an empty response, enabling role assignment for project members.

Changes

Cohort / File(s)	Summary
Protobuf Service Definition raystack/frontier/v1beta1/frontier.proto	Added SetProjectMemberRole RPC method to FrontierService with new request message containing validated UUID fields for project_id, user_id, and role_id, plus an empty response message.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• feat: ListRolesForPAT proto definition #448: Adds analogous new RPC methods and messages to the same FrontierService endpoint in frontier.proto
• feat(frontier): add SetOrganizationMemberRole RPC #453: Introduces a similar SetOrganizationMemberRole RPC with equivalent request/response structure for organization-level member role assignments

Suggested reviewers

• rsbh
• AmanGIT07

Poem

🐰 With whiskers twitching, bright and keen,
A method new has swiftly been,
SetProjectMemberRole takes flight,
With UUIDs shining oh-so-bright!
New schema hops into the light. 🌟

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and specifically describes the main change: adding a new SetProjectMemberRole RPC endpoint to the frontier service.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch feat/set-project-member-role

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