- Add database migration (004) to create prompt_templates, audit_rule_sets, and audit_rules tables with proper indexes
- Create PromptTemplate and AuditRule models with relationships and validation
- Implement prompt template API endpoints for CRUD operations and testing
- Implement audit rules API endpoints for CRUD operations and rule set management
- Add prompt and rules schemas for request/response validation
- Create prompt template initialization service with default system templates
- Integrate LLM service with prompt template system for dynamic prompt selection
- Add frontend pages for PromptManager and AuditRules management
- Add API client utilities for prompts and rules endpoints
- Update API router to include new prompts and rules endpoints
- Update database initialization to seed default templates and rules
- Update sidebar navigation to include new management pages
- Update frontend routes to support new prompt and rules management pages
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