Description

Before applying a fix, test it in isolation to ensure it actually works.

Depends on: #3.4, #2.1

Tasks

• Create internal/evolution/tester.go
• Implement isolated test environment (temp directory)
• Apply proposed fix to templates
• Re-run the failed generation
• Validate the result
• Clean up test environment
• Report test results

Acceptance Criteria

• Fixes are tested before application
• Test uses same inputs as original failure
• Test environment is isolated (no side effects)
• Test results include validation details

Files to Create

• internal/evolution/tester.go
• internal/evolution/tester_test.go