[LOW] Implement Domain-Specific Feature Engineering Templates

[frankbria]

🎯 Overview

Create pre-built feature engineering templates for common domains (finance, healthcare, retail, etc.).

✅ Acceptance Criteria

• Finance template (ratios, moving averages, volatility, etc.)
• Healthcare template (vitals trends, risk scores, etc.)
• Retail template (RFM, basket analysis, seasonality, etc.)
• Marketing template (engagement scores, conversion funnels, etc.)
• Time series template (lags, rolling windows, seasonality, etc.)
• Template browser interface
• One-click template application
• Template customization

🏗️ Technical Requirements

• Backend: Domain template definitions
• Template catalog
• Frontend: Template selection UI
• Integration with feature builder ([BLOCKER] Implement Visual Feature Builder with Drag-and-Drop Interface #72)

🔗 Dependencies

#72 (Visual feature builder), #74 (Feature store)

🏷️ Labels

`low-priority`, `backend`, `frontend`, `stage-4-feature-engineering`, `templates`

⏱️ Estimated Effort

3-4 weeks

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🔗 Similar Issues

Possible Duplicates

• [BLOCKER] Implement Feature Store for Saving and Reusing Feature Definitions #74

Related Issues

• [BLOCKER] Implement Visual Feature Builder with Drag-and-Drop Interface #72
• [BLOCKER] Implement Automatic Feature Selection with Importance Scoring #73
• [BLOCKER] Implement AI-Driven Feature Suggestion Engine for Stage 4: Feature Engineering #71
• [BLOCKER] Implement Comprehensive Model Evaluation Dashboard with Performance Metrics #79

👤 Suggested Assignees

• frankbria

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