improve(engineering): enhance tdd-guide, env-secrets-manager, senior-secops, database-designer, senior-devops
tdd-guide (164 → 412 lines):
- Spec-first workflow, per-language examples (TS/Python/Go)
- Bounded autonomy rules, property-based testing, mutation testing
env-secrets-manager (78 → 260 lines):
- Cloud secret store integration (Vault, AWS SM, Azure KV, GCP SM)
- Secret rotation workflow, CI/CD injection, pre-commit detection, audit logging
senior-secops (422 → 505 lines):
- OWASP Top 10 quick-check, secret scanning tools comparison
- Supply chain security (SBOM, Sigstore, SLSA levels)
database-designer (66 → 289 lines):
- Query patterns (JOINs, CTEs, window functions), migration patterns
- Performance optimization (indexing, EXPLAIN, N+1, connection pooling)
- Multi-DB decision matrix, sharding & replication
senior-devops (275 → 323 lines):
- Multi-cloud cross-references (AWS, Azure, GCP architects)
- Cloud-agnostic IaC section (Terraform/OpenTofu, Pulumi)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
67e2bfabfa