8FF - Lead Scorer | 🎯 Funnel Events → Hot/Warm/Cold

## 8FF Lead-Scorer

**Trigger:** every 2 min
**Input:** Kafka topic `8ff.funnel.events`
**Output 1:** `8ff.leads.scored` (all sessions)
**Output 2:** `8ff.retargeting.queue` (only hot)
**Output 3:** Telegram alert (only hot)

### Score-Map
- page_view: +1
- pricing_view: +5
- checkout_start: +15
- conversion: +50
- drop_off_at_pricing: +3
- drop_off_at_checkout: +8
- drop_off_at_signup: +2
- reactivation: +10
- cancel: -10

### Tier-Multiplier
starter ×1.0 / pro ×1.5 / agency ×2.0

### Buckets
- ≥ 25 → hot
- 8-24 → warm
- < 8 → cold

### Notes
- Consumer-Group: `8ff-lead-scorer-v1` (auto-commit)
- Kafka cred: `kafkaTower8FF01`
- Re-import only if explicit user-anweisung (REGEL 0.1)
- Created 2026-05-06