034.06 Suggest Groupings

Description

As an AI Agent, I want to suggest case groupings so that I can help with organization.

Acceptance Criteria

• [ ] #1 Agent can identify patterns in attributes
• [ ] #2 Agent can suggest meaningful groups
• [ ] #3 Suggestions include rationale
• [ ] #4 Researcher approves groupings

Implementation Notes

Implementation Status (2026-02-06): - ✅ MCP Tool: suggest_case_groupings implemented and functional - ❌ MCP Server: Tool not registered in mcp_server.py - ❌ Approval workflow: Researcher approval not implemented - ❌ E2E tests: None - ❌ Docs: None Core logic done - needs server exposure and approval flow.