Handoff Report — Milestone 2: Backend & DB

1. Observation

We observed the database schema defined in apps/backend/prisma/schema.prisma and determined that Menu and MenuItem models required new fields. We executed the database migration using the following command inside apps/backend/:

bunx prisma migrate dev --name add_menu_image_fields

This successfully generated the migration file apps/backend/prisma/migrations/20260629012157_add_menu_image_fields/migration.sql with content:

-- AlterTable
ALTER TABLE "Menu" ADD COLUMN     "rootImage" TEXT;

-- AlterTable
ALTER TABLE "MenuItem" ADD COLUMN     "columnImage" TEXT,
ADD COLUMN     "hoverImage" TEXT;

The Prisma client was successfully regenerated with bunx prisma generate.

We checked packages/types/index.ts and modified Menu and MenuItem interfaces:

MenuItem received optional columnImage?: string | null and hoverImage?: string | null.
Menu received optional rootImage?: string | null.

We checked and modified routes in apps/backend/src/routes/menus.ts to include parser destructuring, TypeBox validation, and transaction mappings. We checked and updated apps/mcp-server/menu-tools.ts helper function validateMenuItems to validate columnImage and hoverImage. We updated apps/mcp-server/menu-toolkit.ts to add schema validation parameters, pass parameters to backend payload, and display rootImage in dryRun preview and response.

We verified build/typecheck compilation for all affected projects:

apps/mcp-server typecheck command bun run check completed with exit code 0.
apps/admin typecheck command bunx tsc -b completed with exit code 0.
apps/spa typecheck command bunx tsc -b completed with exit code 0.
apps/website typecheck command bunx tsc --noEmit completed with exit code 0.

2. Logic Chain

Adding rootImage to the Menu model and columnImage / hoverImage to the MenuItem model in schema.prisma enables database storage for Premium Mega Menu image assets.
Running prisma migrate dev propagates these schema changes to the local PostgreSQL database and generates client definitions so TypeScript can typecheck the new columns.
Updating packages/types/index.ts ensures that frontend and backend share consistent TypeScript interfaces for Menu/MenuItem properties.
Updating routes in apps/backend/src/routes/menus.ts allows Elysia validator t to accept the new image properties in GET, POST, and PUT payloads and write them to database records via Prisma.
Updating apps/mcp-server/menu-tools.ts and apps/mcp-server/menu-toolkit.ts exposes the fields to MCP upsert_menu tool and performs dryRun rendering safely.
Successful TypeScript compilation across mcp-server, admin, spa, and website proves type safety and consistency.

3. Caveats

No caveats. The database migration was executed successfully on local DB, client regenerated, type-checked, and routes were modified cleanly.

4. Conclusion

The backend and database changes for the Premium Mega Menu have been successfully implemented, migrated, and verified across all workspaces.

5. Verification Method

To independently verify the implementation:

Run Prisma client validation to make sure the client matches the schema:
```
cd apps/backend/
bunx prisma validate
```

Verify the TypeScript compiles successfully:

cd apps/mcp-server/ && bun run check
cd apps/admin/ && bunx tsc -b
cd apps/spa/ && bunx tsc -b
cd apps/website/ && bunx tsc --noEmit

Inspect apps/backend/prisma/migrations/20260629012157_add_menu_image_fields/migration.sql and verify the columns were created.

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