set up of the RFC process

Author: yatharthranjan

.github/CODEOWNERS

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+# Default owners for RFCs repository
+*       @radar-base/admins
+
+# RFCs
+rfcs/** @radar-base/admins
+
+# Component ownership
+# Organize RFCs under these folders to route reviews automatically
+rfcs/platform/**  @yatharthranjan @afolarin @baixiac @mpgxvii @pvannierop
+rfcs/backend/**   @yatharthranjan @afolarin @mpgxvii @pvannierop @this-Aditya @ewelinagr
+rfcs/mobile/**    @mpgxvii @this-Aditya @ec18130 @peyman-mohtashami
+
+# GitHub metadata and workflows
+.github/** @radar-base/admins
+
+

.github/ISSUE_TEMPLATE/pre-rfc-discussion.yml

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+name: Pre-RFC discussion
+description: Discuss scope and direction before drafting an RFC
+title: "Pre-RFC: <concise topic>"
+labels: [pre-rfc]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Use this to validate that the proposal warrants an RFC and to collect early feedback.
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem statement
+      description: What is the problem and why now?
+    validations:
+      required: true
+  - type: textarea
+    id: scope
+    attributes:
+      label: Scope & goals
+      description: What outcomes are in scope? What is explicitly out of scope?
+    validations:
+      required: true
+  - type: textarea
+    id: approach
+    attributes:
+      label: Early approach ideas
+      description: Any initial design directions or constraints to consider
+  - type: input
+    id: stakeholders
+    attributes:
+      label: Stakeholders
+      description: Teams/roles who should be involved
+  - type: checkboxes
+    id: readiness
+    attributes:
+      label: Readiness
+      options:
+        - label: This likely needs an RFC
+        - label: I will draft the RFC
+
+

.github/PULL_REQUEST_TEMPLATE.md

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+Title: RFC NNNN: <concise-title>
+
+Summary
+-------
+Briefly describe the proposal and its motivation.
+
+Checklist
+---------
+- [ ] Linked pre-RFC discussion issue
+- [ ] Used file name `rfcs/NNNN-title.md` and updated RFC front matter
+- [ ] Filled all required sections (Summary, Motivation, Design, Security, Migration, Testing)
+- [ ] Added to index table in `README.md`
+- [ ] Considered alternatives and documented open questions
+- [ ] Applied appropriate status label (one of: draft, accepted, rejected, superseded, implemented)
+- [ ] Applied area/type labels as relevant (e.g., platform, backend, mobile, privacy; design, process)
+
+Reviewers
+---------
+Tag domain reviewers and maintainers.
+
+

.github/auto-assign.yml

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+addReviewers: true
+addAssignees: false
+reviewers:
+  # default fallbacks
+  - yatharthranjan
+  - afolarin
+  - mpgxvii
+  - pvannierop
+
+skipKeywords:
+  - WIP
+
+numberOfReviewers: 0
+
+filter:
+  - label: "area: platform"
+    reviewers:
+      - yatharthranjan
+      - afolarin
+      - baixiac
+      - mpgxvii
+      - pvannierop
+  - label: "area: backend"
+    reviewers:
+      - yatharthranjan
+      - afolarin
+      - mpgxvii
+      - pvannierop
+      - this-Aditya
+      - ewelinagr
+  - label: "area: mobile"
+    reviewers:
+      - mpgxvii
+      - this-Aditya
+      - ec18130
+      - peyman-mohtashami
+
+

.github/labeler.yml

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+# Auto-label PRs based on changed file paths
+rfc:
+  - rfcs/**
+meta:
+  - .github/**
+docs:
+  - rfcs/media/**
+"area: platform":
+  - rfcs/platform/**
+"area: backend":
+  - rfcs/backend/**
+"area: mobile":
+  - rfcs/mobile/**
+
+

.github/labels.yml

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+# Label definitions synced by ghaction-github-labeler
+# name, color (hex w/o #), description
+
+- name: rfc
+  color: 1f6feb
+  description: RFC document and related discussion
+
+- name: pre-rfc
+  color: a371f7
+  description: Early discussion before an RFC is drafted
+
+- name: status: draft
+  color: cccccc
+  description: RFC is in draft and under review
+
+- name: status: accepted
+  color: 0e8a16
+  description: RFC accepted for implementation
+
+- name: status: rejected
+  color: b60205
+  description: RFC rejected; see rationale in the PR
+
+- name: status: implemented
+  color: 2cbe4e
+  description: RFC has been implemented in code
+
+- name: status: superseded
+  color: fbca04
+  description: RFC superseded by a later RFC
+
+- name: area: platform
+  color: 0052cc
+  description: Platform-wide concerns, infra, deployment
+
+- name: area: backend
+  color: 5319e7
+  description: Server-side services and APIs
+
+- name: area: mobile
+  color: d93f0b
+  description: Mobile apps and SDKs
+
+- name: area: privacy
+  color: 0b8769
+  description: Security, privacy, compliance
+
+- name: type: design
+  color: 1d76db
+  description: Architectural or design-focused
+
+- name: type: process
+  color: 6f42c1
+  description: Process and governance changes
+
+

.github/workflows/auto-request-reviewers.yml

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+name: Auto request reviewers
+
+on:
+  pull_request_target:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  request:
+    permissions:
+      pull-requests: write
+      contents: read
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Determine reviewers by paths
+        id: detect
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            platform:
+              - 'rfcs/platform/**'
+            backend:
+              - 'rfcs/backend/**'
+            mobile:
+              - 'rfcs/mobile/**'
+      - name: Request reviewers
+        if: steps.detect.outputs.platform == 'true' || steps.detect.outputs.backend == 'true' || steps.detect.outputs.mobile == 'true'
+        uses: kentaro-m/auto-assign-action@v2.2.2
+        with:
+          configuration-path: .github/auto-assign.yml
+
+

.github/workflows/label-sync.yml

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+name: Sync Labels
+
+on:
+  push:
+    branches: [ main ]
+    paths:
+      - .github/labels.yml
+  workflow_dispatch: {}
+
+jobs:
+  labels:
+    permissions:
+      contents: read
+      issues: write
+      pull-requests: write
+      metadata: read
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Sync labels
+        uses: crazy-max/ghaction-github-labeler@v5
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          yaml-file: .github/labels.yml
+          dry-run: false
+
+

.github/workflows/pr-labeler.yml

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+name: Auto Label PRs
+
+on:
+  pull_request_target:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  label:
+    permissions:
+      contents: read
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/labeler@v5
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          configuration-path: .github/labeler.yml
+
+

.github/workflows/required-area-labels.yml

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+name: Require area label
+
+on:
+  pull_request_target:
+    types: [opened, labeled, unlabeled, synchronize, reopened, edited]
+
+jobs:
+  check-area-label:
+    permissions:
+      pull-requests: read
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check area label present
+        uses: mheap/github-action-required-labels@v5
+        with:
+          mode: minimum
+          count: 1
+          labels: "area: platform,area: backend,area: mobile"
+          add_comment: true
+          message: |
+            This PR is missing an area label. Please add at least one of:
+            area: platform | area: backend | area: mobile
+
+