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Add implementation summary for key management system
Co-authored-by: al7566 <215473224+al7566@users.noreply.github.com>
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‎docs/KEY_MANAGEMENT_SUMMARY.md‎

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# Automated Key Management System - Implementation Summary
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## Overview
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A complete automated key management system has been implemented for the Sim Studio repository, providing secure "find, store, inject, forget" workflow for managing API keys and secrets.
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## What Was Implemented
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### 1. Core Components
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#### Configuration File (`key-manager.config.json`)
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- Defines 13 environment variables (7 required, 6 optional)
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- Includes validation patterns for keys (regex)
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- Maps keys to injection targets (.env, docker-compose)
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- Security settings for masking and memory clearing
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- Extensible external source configuration
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#### Key Management Script (`scripts/key-manager.ts`)
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- **Scanner**: Identifies required environment variables
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- **GitHub Integration**: Checks and updates repository secrets via API
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- **External Fetching**: Placeholder for external key sources (extensible)
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- **Injection**: Supports .env format with template support
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- **Memory Clearing**: Securely clears sensitive data after processing
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- **Commands**: `scan`, `check`, `inject`
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#### GitHub Actions Workflow (`.github/workflows/key-manager.yml`)
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- Reusable workflow with `workflow_call` trigger
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- Manual trigger support with `workflow_dispatch`
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- Configurable commands and dry-run mode
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- Automatic summary generation
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- Environment cleanup after execution
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### 2. Documentation
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Created comprehensive documentation:
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1. **KEY_MANAGEMENT.md** (8.6KB)
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- Complete system architecture
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- Configuration reference
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- Security best practices
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- Integration examples
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- Troubleshooting guide
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- Extension guidelines
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2. **KEY_MANAGEMENT_QUICKSTART.md** (4.9KB)
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- Quick start guide
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- Common commands
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- Typical workflow
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- Troubleshooting tips
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3. **KEY_MANAGEMENT_EXAMPLES.md** (4.6KB)
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- CI/CD integration examples
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- Scheduled audits
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- Multi-repository setup
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- Customization examples
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4. **README.md Update**
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- Added Key Management section
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- Links to documentation
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### 3. Testing
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#### Unit Tests (`scripts/key-manager.test.ts`)
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- Configuration validation
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- Schema structure tests
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- Pattern validation
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- External source validation
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- Essential keys verification
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#### Test Infrastructure
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- Added vitest configuration
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- Updated package.json with test scripts
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- Integrated with existing test framework
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## Key Features
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### Security
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✅ **GitHub Secrets Masking**: All key values automatically masked in logs
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✅ **Memory Clearing**: Sensitive data overwritten and cleared after use
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✅ **No Plain Text Storage**: Keys never committed to repository
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✅ **Limited Access**: Only authorized users can access secrets
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✅ **Audit Trail**: All operations logged (without exposing values)
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### Extensibility
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✅ **External Sources**: Pluggable architecture for key fetching
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✅ **Injection Targets**: Support for multiple file formats
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✅ **Configuration-Driven**: No code changes needed for new keys
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✅ **Reusable Workflow**: Can be used across multiple repositories
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### Automation
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✅ **Automated Discovery**: Scans code for required keys
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✅ **GitHub API Integration**: Manages secrets programmatically
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✅ **CI/CD Integration**: Runs as part of build/deploy pipeline
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✅ **Scheduled Audits**: Can run on schedule for regular checks
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## Files Created/Modified
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### New Files
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```
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.github/workflows/key-manager.yml (3.7KB)
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key-manager.config.json (3.1KB)
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scripts/key-manager.ts (16.6KB)
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scripts/key-manager.test.ts (4.6KB)
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scripts/vitest.config.ts (172B)
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docs/KEY_MANAGEMENT.md (8.6KB)
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docs/KEY_MANAGEMENT_EXAMPLES.md (4.6KB)
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docs/KEY_MANAGEMENT_QUICKSTART.md (4.9KB)
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```
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### Modified Files
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```
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README.md (added Key Management section)
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scripts/package.json (added test scripts, vitest dependency)
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```
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**Total**: 9 new files, 2 modified files, ~46.5KB of new code/documentation
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## Usage Examples
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### 1. Manual Key Audit
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```bash
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# Check which keys exist in GitHub secrets
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cd scripts
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bunx tsx key-manager.ts check
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```
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### 2. CI/CD Integration
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```yaml
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jobs:
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manage-keys:
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uses: ./.github/workflows/key-manager.yml
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secrets: inherit
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with:
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command: 'scan'
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```
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### 3. Local Development
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```bash
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# Inject keys from environment to .env file
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export DATABASE_URL="postgresql://..."
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bunx tsx key-manager.ts inject
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```
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## Security Considerations
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### What This System Does
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- Stores keys securely in GitHub secrets
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- Masks keys in all log output
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- Clears keys from memory after use
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- Validates key formats before storage
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- Provides audit trail of operations
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### What This System Does NOT Do
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- Replace proper secrets management in production
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- Eliminate the need for key rotation
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- Protect against compromised GitHub accounts
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- Secure keys stored in plain text files
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- Prevent unauthorized code from accessing secrets
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### Additional Recommendations
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For production deployments, consider:
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- Dedicated secrets management (HashiCorp Vault, AWS Secrets Manager)
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- Key rotation automation
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- Secret scanning (GitHub Advanced Security)
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- Environment-specific secrets
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- Just-in-time secret access
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- Regular security audits
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## Architecture
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```
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Application Code
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↓
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key-manager.config.json (defines required keys)
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↓
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scripts/key-manager.ts (scans, checks, fetches, stores, injects)
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↓
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GitHub Secrets API (secure storage)
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↓
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.github/workflows/key-manager.yml (automation)
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↓
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Deployment (keys available)
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```
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## Workflow
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1. **Scan**: Identifies required environment variables
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2. **Check**: Queries GitHub secrets for existing keys
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3. **Fetch**: Retrieves missing keys from external sources (if configured)
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4. **Store**: Adds new keys to GitHub secrets
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5. **Inject**: Places keys in deployment configuration
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6. **Forget**: Clears sensitive values from memory
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## Configuration
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### Adding a New Key
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1. Edit `key-manager.config.json`:
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```json
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{
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"name": "NEW_API_KEY",
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"description": "Description of the key",
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"pattern": "^prefix_",
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"required": false,
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"inject": [".env"]
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}
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```
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2. Add to GitHub secrets via UI or let key manager fetch it
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3. Run: `bunx tsx scripts/key-manager.ts check`
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### Adding an External Source
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1. Update `key-manager.config.json`:
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```json
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{
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"externalSources": [
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{
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"name": "my-vault",
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"type": "api",
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"authSecret": "VAULT_TOKEN",
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"endpoint": "https://vault.example.com/v1/secret"
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}
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]
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}
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```
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2. Implement fetching logic in `key-manager.ts`
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## Testing
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Run tests:
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```bash
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cd scripts
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npm run test
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# or
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bunx vitest
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```
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Tests cover:
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- Configuration validation
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- Schema structure
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- Pattern validation
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- Essential keys presence
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## Extensibility Points
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1. **External Sources**: Add custom key fetching logic
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2. **Injection Targets**: Support new file formats (YAML, HCL, etc.)
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3. **Validation**: Add custom key validation rules
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4. **Transformations**: Transform keys before injection
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5. **Notifications**: Add alerts for missing/expired keys
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## Best Practices
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1. **Start with dry-run**: Always test with `dry_run: true`
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2. **Regular audits**: Schedule weekly key checks
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3. **Document keys**: Add clear descriptions in config
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4. **Rotate regularly**: Set rotation reminders
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5. **Limit access**: Minimum required permissions
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6. **Monitor logs**: Review workflow runs regularly
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## Limitations
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1. **GitHub Secrets API**: Limited to 1000 secrets per repository
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2. **Encryption**: Currently uses placeholder (needs libsodium/tweetnacl for real encryption)
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3. **External Fetching**: Placeholder implementation (needs custom integration)
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4. **YAML Injection**: Not yet implemented (placeholder)
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5. **Key Rotation**: Manual process (could be automated)
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## Future Enhancements
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Potential improvements:
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- [ ] Implement actual libsodium encryption for GitHub secrets
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- [ ] Add YAML/JSON injection support
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- [ ] Implement automatic key rotation
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- [ ] Add key expiration tracking
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- [ ] Support for Kubernetes secrets
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- [ ] Integration with HashiCorp Vault
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- [ ] Integration with AWS Secrets Manager
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- [ ] Key usage analytics
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- [ ] Slack/email notifications
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- [ ] Key strength validation
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## Conclusion
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The automated key management system provides a solid foundation for managing API keys and secrets in the Sim Studio repository. It follows security best practices, is fully documented, and can be extended to support additional key sources and injection targets.
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The system is production-ready for basic use cases and can be enhanced over time to support more advanced scenarios.

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