- Migrate from Airtable to Baserow: BaserowClient with snapshots, actions, creatives, logs
- Claude agents (Haiku for decisions/units, Sonnet for creatives) with cost_cap_eur vs CPL comparison
- Slack bot with colored action emojis, effect text before approval buttons, 500-char justifications
- Streamlit dashboard with date-range navigation, campaign drill-down (adsets/ads), Histórico tab
- Approval server (FastAPI + ngrok) for Slack button callbacks
- backfill.py for historical snapshot regeneration with Claude re-analysis
- Margin fix: 0-lead campaigns contribute -spend (not 0) to margin
- CTR fix: Meta returns CTR as percentage already, removed *100
- Parameter fix: pass decision parameter to Slack action for correct budget effect display
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
