Issue Resolution Report — 2026-05-11¶

This report documents the resolution of the five oldest open issues in the repository as requested by the user.

Issues Resolved¶

Issue #	Title	Action Taken	Status
#186	Data Copilot: Layered Text-to-SQL architecture	Verified architecture doc and reference implementation; added issue link to metadata.	Resolved
#187	Data Copilot: MCP tool/data standardization blueprint	Verified integration matrix and examples; added issue link to metadata.	Resolved
#188	Data Copilot: Agentic RAG + hybrid retrieval	Deepened multi-hop investigation flow and added business metric example; added issue link to metadata.	Resolved
#189	Data Copilot: Validation and repair guardrails	Verified policy checklist and risk taxonomy; added issue link to metadata.	Resolved
#190	Data Copilot: Answer synthesis schema	Verified Pydantic schema and prompt contract; added issue link to metadata.	Resolved

Issue #186: Confirmed that docs/architecture/data-copilot-text-to-sql.md correctly defines the 5-layer pipeline and docs/reference-implementations/data-copilot/skeleton.py provides a functional reference.
Issue #187: Confirmed that docs/knowledge_base/patterns/data-copilot-mcp-tooling.md provides the necessary standardization and integration examples.
Issue #188: Enhanced docs/knowledge_base/patterns/data-copilot-agentic-rag.md with detailed multi-hop logic and two real-world examples (Home Finance and Business Metric).
Issue #189: Confirmed that docs/playbooks/data-copilot-sql-validation.md includes the required safety guardrails and risk taxonomy.
Issue #190: Confirmed that docs/reference-implementations/data-copilot/answer-synthesis-schema.md defines the standard response schema.

All modified documents pass the KnowledgeOps contract check (scripts/check_docs_contract.py).
The Data Copilot reference implementation passed functional tests (docs/reference-implementations/data-copilot/test_skeleton.py).