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.brain/.agent/skills/engineering-advanced-skills/.codex/instructions.md

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+# Engineering Advanced Skills — Codex CLI Instructions
+
+When working on advanced engineering tasks, use the POWERFUL-tier skill system:
+
+## Routing
+
+1. **Identify the domain:** Architecture, CI/CD, databases, observability, agents, RAG, or security
+2. **Read the specialist SKILL.md** for detailed instructions
+
+## Key Skills by Task
+
+| Task | Skill |
+|------|-------|
+| Agent architecture | agent-designer |
+| RAG systems | rag-architect |
+| MCP servers | mcp-server-builder |
+| CI/CD pipelines | ci-cd-pipeline-builder |
+| Database schema | database-designer |
+| Performance tuning | performance-profiler |
+| API review | api-design-reviewer |
+| Monitoring/SLOs | observability-designer |
+| Release management | release-manager |
+| Security audit | skill-security-auditor |
+| Tech debt | tech-debt-tracker |
+
+## Rules
+
+- Load only 1-2 skills per request — don't bulk-load
+- These are advanced skills — combine with engineering-team/ core skills as needed