.github/workflows/keepalive.yml

name: Keep Alive

on:
  schedule:
    - cron: '*/14 * * * *'  # every 14 minutes (Render sleeps at 15min)
  workflow_dispatch:        # manual trigger

jobs:
  ping:
    runs-on: ubuntu-latest
    steps:
      - name: Ping health endpoint
        run: |
          curl -sf --max-time 30 \
            https://stock-predictor-1oyc.onrender.com/health \
            && echo "OK" || echo "WARN: ping failed"