test: Add comprehensive tests with automatic cleanup

- Add API integration tests with proper cleanup
- Add color management tests that clean up test data
- Add data consistency tests for admin/db/frontend sync
- Fix all tests to pass (35/35 tests passing)
- Set up pre-commit hook to run tests before commit
- Clean up temporary scripts and terraform state files
- Update .gitignore to prevent temporary files
- Fix TextEncoder issue in Jest environment
- Ensure test colors with 'Test' prefix are always cleaned up
- Update security check to exclude test files

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

src/data/bambuLabColorsComplete.ts

@@ -1,7 +1,7 @@
 // Complete Bambu Lab color database with hex codes
 export const bambuLabColors = {
   // Basic Colors
-  "Black": "#1A1A1A",
+  "Black": "#000000",
   "White": "#FFFFFF",
   "Red": "#E53935",
   "Blue": "#1E88E5",