mcp-codesentry/.taskmaster/tasks/task_009.txt

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# Task ID: 9
# Title: Implement Security Features
# Status: pending
# Dependencies: 3, 8
# Priority: high
# Description: Develop security features including API key management, encryption, and audit logging.
# Details:
1. Implement secure API key storage:
   ```typescript
   class SecretManager {
     async getGeminiApiKey(): Promise<string> {
       // Retrieve API key from secure storage
     }
     
     async storeGeminiApiKey(apiKey: string): Promise<void> {
       // Store API key securely
     }
   }
   ```
2. Enhance file encryption for codebase snapshots
3. Implement audit logging:
   ```typescript
   class AuditLogger {
     logOperation(operation: string, details: any): void {
       // Log operation with timestamp and details
     }
     
     logError(operation: string, error: Error): void {
       // Log error with stack trace
     }
   }
   ```
4. Add request validation and sanitization
5. Implement data retention policies

# Test Strategy:
Test secure API key storage and retrieval. Verify encryption functionality for codebase snapshots. Test audit logging for various operations and errors. Verify data retention policy enforcement.