chore: import upstream snapshot with attribution

2026-07-13 12:38:58 +08:00
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+---
+name: segment-cdp
+description: "Expert patterns for Segment Customer Data Platform including Analytics.js, server-side tracking, tracking plans with Protocols, identity resolution, destinations configuration, and data governance best practices. Use when: segment, analytics.js, customer data platform, cdp, tracking plan."
+source: vibeship-spawner-skills (Apache 2.0)
+---
+
+# Segment CDP
+
+## Patterns
+
+### Analytics.js Browser Integration
+
+Client-side tracking with Analytics.js. Include track, identify, page,
+and group calls. Anonymous ID persists until identify merges with user.
+
+
+### Server-Side Tracking with Node.js
+
+High-performance server-side tracking using @segment/analytics-node.
+Non-blocking with internal batching. Essential for backend events,
+webhooks, and sensitive data.
+
+
+### Tracking Plan Design
+
+Design event schemas using Object + Action naming convention.
+Define required properties, types, and validation rules.
+Connect to Protocols for enforcement.
+
+
+## Anti-Patterns
+
+### ❌ Dynamic Event Names
+
+### ❌ Tracking Properties as Events
+
+### ❌ Missing Identify Before Track
+
+## ⚠️ Sharp Edges
+
+| Issue | Severity | Solution |
+|-------|----------|----------|
+| Issue | medium | See docs |
+| Issue | high | See docs |
+| Issue | medium | See docs |
+| Issue | high | See docs |
+| Issue | low | See docs |
+| Issue | medium | See docs |
+| Issue | medium | See docs |
+| Issue | high | See docs |