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Per Ninad 2026-05-21: Gimlis Migration Design table must mirror Elronds Carol Design schema (designs table in apps/design/designs.db) exactly; Migration Cookbook must mirror the Build Cookbook (cookbook table in apps/initiatives/initiatives.db). Aligning the schemas lets the same render code + reasoning patterns apply to both.

SCOPE:

• migration_designs: rename body->content_md, add description, design_type, department, sub_department, requirement_ref, code_ref, agent_ref, droid_ref, app_ref, tab, sub_tab, step_id, initiative_id, changed_by; add migration_designs_versions companion + auto-version trigger; default status=draft, version=1.0.
• migration_cookbook: drop status, version, owner; keep id, title, category, content, created_at, updated_at to match Build Cookbook exactly.
• Update Gimlis shim + app endpoints + UI to use new column names.
• Add Migration Cookbook rule entry codifying the mirroring decision.

MODE: bypass.