chore: import upstream snapshot with attribution

2026-07-13 12:38:58 +08:00
commit bb5c75ce05
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+---
+allowed-tools: Read, Write, Edit, Bash
+argument-hint: [schema-type] | --relational | --nosql | --hybrid | --normalize
+description: Design optimized database schemas with proper relationships, constraints, and performance considerations
+---
+
+# Design Database Schema
+
+Design optimized database schemas with comprehensive data modeling: **$ARGUMENTS**
+
+## Current Project Context
+
+- Application type: Based on $ARGUMENTS or codebase analysis
+- Data requirements: @requirements/ or project documentation
+- Existing schema: @prisma/schema.prisma or @migrations/ or database dumps
+- Performance needs: Expected scale, query patterns, and data volume
+
+## Task
+
+Design comprehensive database schema with optimal structure and performance:
+
+**Schema Type**: Use $ARGUMENTS to specify relational, NoSQL, hybrid approach, or normalization level
+
+**Design Framework**:
+1. **Requirements Analysis** - Business entities, relationships, data flow, and access patterns
+2. **Entity Modeling** - Tables/collections, attributes, primary/foreign keys, constraints
+3. **Relationship Design** - One-to-one, one-to-many, many-to-many associations
+4. **Normalization Strategy** - Data consistency vs performance trade-offs
+5. **Performance Optimization** - Indexing strategy, query optimization, partitioning
+6. **Security Design** - Access control, data encryption, audit trails
+
+**Advanced Patterns**: Implement temporal data, soft deletes, JSONB fields, full-text search, audit logging, and scalability patterns.
+
+**Validation**: Ensure referential integrity, data consistency, query performance, and future extensibility.
+
+**Output**: Complete schema design with DDL scripts, ER diagrams, performance analysis, and migration strategy.