Instrumenting Product Metrics

The instrumenting-product-metrics skill has been created with the following files:

Created Files

.claude/skills/instrumenting-product-metrics/
├── SKILL.md (104 lines)
└── references/
    ├── activation-onboarding.md (190 lines)
    ├── engagement-adoption.md (256 lines)
    ├── in-app-guidance.md (305 lines)
    ├── product-analytics.md (350 lines)
    ├── roadmap-experiments.md (402 lines)
    └── feedback-insights.md (435 lines)

Key Highlights

Current State Identified:

• •Measurement ID G-CMGT3Y2CBX exists but GA script not loaded
• •Only 1 event tracked: app_click in scripts/app.js:94-102
• •Rich error handling in admin panel but not tracked as metrics

Documented Patterns:

• •GA4 setup with proper script inclusion
• •Analytics helper with gtag safety guards
• •Event schema with 15+ trackable events
• •Performance timing for Firebase operations
• •Funnel definitions (activation, admin, search)

Anti-Patterns Covered:

• •Using gtag without loading GA script
• •High-cardinality parameters breaking reports
• •Tracking without exposure events in experiments
• •Missing session IDs preventing user journey analysis
• •PII leakage in error tracking

Checklists Included:

• •Analytics implementation checklist
• •Activation tracking checklist
• •Engagement tracking checklist
• •Experiment tracking checklist
• •Feedback collection checklist