- Add BDD_SCHEMA_ISOLATION env var to enable schema-per-scenario mode
- Generate unique schema names using SHA256 hash of feature+scenario
- Implement SetupScenarioSchema() and TeardownScenarioSchema() methods
- Handle search_path configuration for schema isolation
- Use CASCADE drop to clean up all scenario-created DB objects
- Add isSchemaIsolationEnabled() helper to suite.go
- Update cleanup flow: skip table clearing when schema isolation is active
- Add ADR 0025 documenting isolation strategies and decision rationale
Activation: Set BDD_SCHEMA_ISOLATION=true to enable
Debug: Set BDD_ENABLE_CLEANUP_LOGS=true for verbose isolation logging
Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>
