# TeamBrain — weekly digest
#
# Runs `tb digest` on a schedule: aggregates people-free activity (memories
# proposed/approved/retired, top-retrieved, no-hit searches, stale flags,
# rules-file drift) and posts a summary to a Slack incoming webhook. The
# aggregator has no code path that groups by author (Tech Brief §4.7).
#
# Copy this file to `.github/workflows/teambrain-digest.yml`.
# Required repo secret: TEAMBRAIN_SLACK_WEBHOOK (a Slack incoming-webhook URL).
name: teambrain-digest

on:
  schedule:
    - cron: '0 13 * * 1' # Mondays 13:00 UTC
  workflow_dispatch:

permissions:
  contents: read

jobs:
  digest:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Fetch the sessions branch
        run: git fetch origin 'teambrain/sessions:teambrain/sessions' || true

      - uses: actions/setup-node@v4
        with:
          node-version: 20

      - name: Install TeamBrain CLI
        run: npm install -g @teambrain/cli

      - name: Post the weekly digest
        env:
          TEAMBRAIN_SLACK_WEBHOOK: ${{ secrets.TEAMBRAIN_SLACK_WEBHOOK }}
        run: tb digest