Add GitHub Actions workflow for daily execution at 2 AM (CEST)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.github/workflows/daily.yml

@@ -0,0 +1,43 @@
+name: Daily Leads Optimizer
+
+on:
+  schedule:
+    - cron: '0 0 * * *'  # 2:00 AM hora española (CEST/UTC+2 verano, 1:00 AM en invierno CET/UTC+1)
+  workflow_dispatch:      # permite lanzarlo manualmente desde GitHub
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: pip install -r requirements.txt
+
+      - name: Run optimizer
+        env:
+          AIRTABLE_TOKEN: ${{ secrets.AIRTABLE_TOKEN }}
+          AIRTABLE_BASE_ID: ${{ secrets.AIRTABLE_BASE_ID }}
+          GOOGLE_ADS_DEVELOPER_TOKEN: ${{ secrets.GOOGLE_ADS_DEVELOPER_TOKEN }}
+          GOOGLE_ADS_CLIENT_ID: ${{ secrets.GOOGLE_ADS_CLIENT_ID }}
+          GOOGLE_ADS_CLIENT_SECRET: ${{ secrets.GOOGLE_ADS_CLIENT_SECRET }}
+          GOOGLE_ADS_REFRESH_TOKEN: ${{ secrets.GOOGLE_ADS_REFRESH_TOKEN }}
+          GOOGLE_ADS_LOGIN_CUSTOMER_ID: ${{ secrets.GOOGLE_ADS_LOGIN_CUSTOMER_ID }}
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
+        run: python run.py
+
+      - name: Upload log
+        if: always()
+        uses: actions/upload-artifact@v4
+        with:
+          name: optimizer-log-${{ github.run_id }}
+          path: logs/
+          retention-days: 30