v1.0.5: Replace reflect with direct type conversion in GetSecret()

- Removed unused reflect import
- Added edge-case tests for empty and unicode secrets
- Added tests for JSON marshaling/unmarshaling of empty secrets

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

v1.0.2

added default values for Options

v1.0.1

fixed examples in README.md