reflect-and-propose.yml

name: Reflect and propose prompt mutations

on:
  schedule:
    - cron: "0 9 * * 1"
  workflow_dispatch:
  push:
    paths:
      - "data/pipeline-runs.jsonl"

jobs:
  reflect:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
      models: read

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.11"

      - name: Decide whether to run reflect loop
        id: gate
        shell: bash
        run: |
          set -euo pipefail
          lines=0
          if [[ -f data/pipeline-runs.jsonl ]]; then
            lines=$(grep -cve '^[[:space:]]*$' data/pipeline-runs.jsonl || true)
          fi

          should_run=false
          if [[ "$lines" -gt 0 ]]; then
            if [[ "${{ github.event_name }}" == "schedule" || "${{ github.event_name }}" == "workflow_dispatch" ]]; then
              should_run=true
            elif (( lines % 50 == 0 )); then
              should_run=true
            fi
          fi

          echo "line_count=$lines" >> "$GITHUB_OUTPUT"
          echo "should_run=$should_run" >> "$GITHUB_OUTPUT"

      - name: Stop early when no scorebook window is ready
        if: steps.gate.outputs.should_run != 'true'
        run: |
          echo "Skipping reflect loop; non-empty scorebook line count is ${{ steps.gate.outputs.line_count }}."

      - name: Run reflect agent via GitHub Models
        if: steps.gate.outputs.should_run == 'true'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          WINDOW_SIZE: "50"
        shell: bash
        run: |
          set -euo pipefail
          python scripts/run_reflect.py --window-size "$WINDOW_SIZE"

      - name: Detect whether report has mutation proposals
        if: steps.gate.outputs.should_run == 'true'
        id: proposals
        shell: bash
        run: |
          set -euo pipefail
          python scripts/detect_reflect_proposals.py --report reflect-report.md

      - name: Create mutation proposal PR
        if: steps.gate.outputs.should_run == 'true' && steps.proposals.outputs.has_proposals == 'true'
        uses: peter-evans/create-pull-request@v6
        with:
          branch: chore/reflect-proposals-${{ github.run_id }}
          title: "chore: reflect prompt mutation proposals"
          commit-message: "chore: add reflect mutation proposals"
          body-path: reflect-report.md
          add-paths: |
            reflect-report.md