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.agents/explorer_m2_3/BRIEFING.md

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+# BRIEFING — 2026-06-29T01:20:34Z
+
+## Mission
+Analyze codebase and formulate implementation strategy for updating Menu/MenuItem schema, shared types, backend routes, and MCP tools with new image fields.
+
+## 🔒 My Identity
+- Archetype: Explorer
+- Roles: Read-only investigator
+- Working directory: /home/ti/git/homaroma/.agents/explorer_m2_3
+- Original parent: 8e727cf6-d863-41ec-9bd2-f8dead86db2a
+- Milestone: Milestone 2 (Backend & DB)
+
+## 🔒 Key Constraints
+- Read-only investigation — do NOT implement
+- Operational code-only mode: NO external web searches, curl, wget, etc.
+- No editing files outside of own directory.
+
+## Current Parent
+- Conversation ID: 8e727cf6-d863-41ec-9bd2-f8dead86db2a
+- Updated: 2026-06-29T01:21:36Z
+
+## Investigation State
+- **Explored paths**: `apps/backend/prisma/schema.prisma`, `packages/types/index.ts`, `apps/backend/src/routes/menus.ts`, `apps/mcp-server/menu-tools.ts`, `apps/mcp-server/menu-toolkit.ts`
+- **Key findings**:
+  - `Menu` and `MenuItem` models mapped in Prisma database, requiring `rootImage` (Menu) and `columnImage`/`hoverImage` (MenuItem) nullable columns.
+  - Shared TypeScript interfaces in `packages/types/index.ts` must expose the same fields.
+  - Elysia API routes in `menus.ts` require TypeBox validation updates and database payload mapping for POST/PUT.
+  - MCP Server tools require validation changes in `menu-tools.ts` and tool schema definitions in `menu-toolkit.ts`.
+- **Unexplored areas**: None, task is complete.
+
+## Key Decisions Made
+- Chose `t.Optional(t.Nullable(t.String()))` for Elysia API payload validation to preserve backward compatibility.
+- Determined that database migrations must be run via `bunx prisma migrate dev` locally and `bunx prisma migrate deploy` in production.
+- Kept the seed script (`seed.cjs`) unchanged as the new fields are optional.
+
+## Artifact Index
+- /home/ti/git/homaroma/.agents/explorer_m2_3/analysis.md — Main analysis and implementation strategy report
+- /home/ti/git/homaroma/.agents/explorer_m2_3/handoff.md — Final handoff report
+- /home/ti/git/homaroma/.agents/explorer_m2_3/progress.md — Liveness progress heartbeat