PR standardization

.github/pull_request_template.md

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+## CHANGELOG
+REPLACE_ME_WITH_CHANGELOG
+
+## SUMMARY
+REPLACE_ME_WITH_SUMMARY_OF_THE_CHANGES
+
+## FUNCTIONAL AUTOMATION CHANGES PR
+- [ ] Yes
+  - If Yes, PR : 
+- [ ] No
+  - If No, Reason: 
+
+## AUTOMATION TEST REPORT URL
+REPLACE_ME_WITH_TEST_REPORT_URL
+
+## AREAS OF IMPACT
+REPLACE_ME_WITH_AREAS_OF_IMPACT_OR_NA
+
+## TYPE OF CHANGE
+- [ ] 🐞 Bugfix
+- [ ] 🌟 Feature
+- [ ] ✨ Enhancement
+- [ ] 🧪 Unit Test Cases
+- [ ] 📔 Documentation
+- [ ] ⚙️ Chore - Build Related / Configuration / Others
+
+
+## DOCUMENTATION
+REPLACE_ME_WITH_DOCUMENTATION_LINK_OR_NA

.github/scripts/README.md

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+# Scripts
+
+## Generate changelog
+
+Lists PRs merged into a branch (excludes "Parent branch sync" and bot-authored PRs).
+
+**Prerequisites:** `jq`, and GitHub credentials as env vars.
+
+### Set credentials (once per terminal)
+
+```bash
+export GH_USERNAME=your-github-username
+export GH_PAT=your-github-personal-access-token
+```
+
+### Commands
+
+From repo root:
+
+| What you want | Command |
+|---------------|---------|
+| PRs merged into **current branch** (last 30 days) | `./.github/scripts/generate-changelog.sh` |
+| PRs merged into **master** (last 30 days) | `./.github/scripts/generate-changelog.sh master` |
+| PRs merged into **master** since a date | `./.github/scripts/generate-changelog.sh master "merged:>=2025-01-01"` |
+
+### Arguments
+
+1. **Branch** (optional) — default: current branch  
+2. **Date filter** (optional) — default: last 30 days (e.g. `merged:>=2025-01-01`)
+
+Output includes a GitHub search URL to verify results.

.github/scripts/generate-changelog.sh

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+#!/bin/bash
+
+set -e
+
+# Check required environment variables
+if [[ -z "$GH_USERNAME" ]]; then
+  echo "❌ Error: Environment variable GH_USERNAME not found"
+  exit 1
+fi
+
+if [[ -z "$GH_PAT" ]]; then
+  echo "❌ Error: Environment variable GH_PAT not found"
+  exit 1
+fi
+
+# Optional: Branch name (defaults to current branch if not provided)
+SOURCE_BRANCH="${1:-$(git branch --show-current)}"
+# Optional: Date filter (defaults to last 30 days if not provided)
+DATE_FILTER="${2:-merged:>=$(date -u -v-30d +%Y-%m-%d 2>/dev/null || date -u -d '30 days ago' +%Y-%m-%d)}"
+
+# Repo is set per-repo when this file is pushed (placeholder replaced by upload script)
+REPO="chargebee/chargebee-android"
+
+echo "🔍 Searching for PRs merged into $SOURCE_BRANCH..."
+
+# GitHub API call with error handling
+HTTP_STATUS=$(curl -s -w "%{http_code}" -G -u "$GH_USERNAME:$GH_PAT" \
+  "https://api.github.com/search/issues" \
+  --data-urlencode "q=NOT \"Parent branch sync\" in:title is:pr repo:$REPO is:merged base:$SOURCE_BRANCH merged:$DATE_FILTER -author:app/distributed-gitflow-app" \
+  -o /tmp/curl_output.json \
+  2>/tmp/curl_error.log)
+
+CURL_EXIT_CODE=$?
+
+echo "🌐 API call status: $HTTP_STATUS"
+
+if [ $CURL_EXIT_CODE -ne 0 ]; then
+  echo "❌ Error: curl request failed with exit code $CURL_EXIT_CODE"
+  echo "Error details: $(cat /tmp/curl_error.log)"
+  exit 1
+fi
+
+if [ "$HTTP_STATUS" -ne 200 ]; then
+  echo "❌ Error: API returned HTTP status $HTTP_STATUS"
+  echo "Response: $(cat /tmp/curl_output.json)"
+  exit 1
+fi
+
+PR_LIST_RESPONSE=$(cat /tmp/curl_output.json)
+
+# Clean invalid control characters from JSON response
+if ! echo "$PR_LIST_RESPONSE" | jq . >/dev/null 2>&1; then
+  echo "⚠️  Invalid JSON detected — cleaning control characters..."
+  PR_LIST_RESPONSE=$(echo "$PR_LIST_RESPONSE" | tr -d '\000-\037')
+
+  if ! echo "$PR_LIST_RESPONSE" | jq . >/dev/null 2>&1; then
+    echo "$PR_LIST_RESPONSE" > /tmp/invalid_json_debug.json
+    echo "❌ Error: JSON is still invalid after cleaning control characters"
+    echo "💡 Use 'cat /tmp/invalid_json_debug.json' to inspect the JSON"
+    exit 1
+  fi
+fi
+
+PR_MERGED_COUNT=$(echo "$PR_LIST_RESPONSE" | jq '.total_count')
+
+# Color codes
+GREEN='\033[0;32m'
+YELLOW='\033[0;33m'
+NOCOLOR='\033[0m'
+
+echo "=============================================================================="
+echo -e "Found ${GREEN}$PR_MERGED_COUNT${NOCOLOR} PR(s) merged into $SOURCE_BRANCH (filter: $DATE_FILTER)"
+echo "=============================================================================="
+echo -e "## ${GREEN}CHANGELOG${NOCOLOR}"
+echo "$PR_LIST_RESPONSE" | jq -r '.items[] | (.title) + " (" + (.user.login) + ") [#" + (.number | tostring) + "]"' | sort
+printf "\n"
+echo "=============================================================================="
+echo -e "${GREEN}GitHub Search URL (to verify, if required)${NOCOLOR}"
+BRANCH_ENCODED=$(echo "$SOURCE_BRANCH" | sed 's/ /%20/g')
+echo "https://github.com/$REPO/pulls?q=NOT+%22Parent+branch+sync%22+in%3Atitle+is%3Apr+is%3Amerged+base%3A$BRANCH_ENCODED+merged%3A$DATE_FILTER+-author%3Aapp%2Fdistributed-gitflow-app"
+echo "=============================================================================="
+
+# Clean up temporary files
+rm -f /tmp/curl_output.json /tmp/curl_error.log

.github/workflows/pr-lint.yml

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+name: Common PR Lint
+
+on:
+  pull_request:
+    branches: [master, main,staging, dev,develop]
+    types: [ready_for_review, reopened, review_requested, review_request_removed, opened, edited]
+
+jobs:
+  pr-lint:
+    name: Common PR Lint Checks
+    if: github.base_ref == 'main' || github.base_ref == 'master'
+    uses: chargebee/cb-cicd-pipelines/.github/workflows/pr-lint.yml@main
+    secrets: inherit

.github/workflows/pr-size-check.yml

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+name: PR Size Check
+on:
+  pull_request:
+    types: [ reopened, opened, synchronize, edited, labeled, unlabeled ]
+    branches:
+      - develop/**
+      - dev
+
+
+jobs:
+  pre-approval-comment:
+    name: Announce pending bypass approval
+    if: ${{ github.event.pull_request.user.login != 'distributed-gitflow-app[bot]' &&
+      !startsWith(github.head_ref, 'revert-') &&
+      !startsWith(github.head_ref, 'parent-branch-sync/') &&
+      contains(github.event.pull_request.labels.*.name, 'pr-size-exception') }}
+    runs-on: graviton-small-runner
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - uses: actions/github-script@v7
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            const owner = context.repo.owner;
+            const repo = context.repo.repo;
+            const issue_number = context.payload.pull_request.number;
+
+            const marker = '<!-- pr-size-bypass-pending -->';
+            const pending = `${marker}
+              🛑 The \`pr-size-exception\` label is present. This workflow is **waiting for approvals** from the **[cb-Billing-CAB-reviewers](https://github.com/orgs/chargebee/teams/cb-billing-cab-approvers)**.`;
+
+            // create a new comment when the workflow runs
+            await github.rest.issues.createComment({ owner, repo, issue_number, body: pending });
+  pr-size-check:
+    name: Check PR size
+    if: ${{ (github.base_ref == 'dev' || startsWith(github.base_ref, 'develop/')) && github.event.pull_request.user.login != 'distributed-gitflow-app[bot]' && !startsWith(github.head_ref, 'revert-') && !startsWith(github.head_ref, 'parent-branch-sync/') }}
+    runs-on: graviton-small-runner
+    permissions:
+      contents: read
+      pull-requests: write
+    env:
+      BYPASS_LABEL: pr-size-exception
+    environment: ${{ contains(github.event.pull_request.labels.*.name, 'pr-size-exception') && 'cb-billing-reviewers' || '' }}
+    steps:
+      - uses: chargebee/cb-cicd-pipelines/.github/actions/pr-size-check@v4.20.3
+        if: ${{ !contains(github.event.pull_request.labels.*.name, env.BYPASS_LABEL) }}
+        with:
+          githubToken: ${{ secrets.GITHUB_TOKEN }}
+          errorSize: 250
+          warningSize: 200
+          excludePaths: |
+            .github/**
+            .cursor/**
+
+
+      - name: Ensure required check passes when bypassed
+        if: ${{ contains(github.event.pull_request.labels.*.name, env.BYPASS_LABEL) }}
+        run: echo "Bypass active — marking job successful."