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managarten/services/mana-mail/CLAUDE.md
Till JS a3de6b3d81 feat(mail): add mana-mail service and frontend module (Phase 1 MVP) 
Backend: Hono/Bun service on port 3042 with JMAP client for Stalwart,
account provisioning (@mana.how addresses on user registration),
thread/message/send/label API endpoints, and JWT + service-key auth.

Frontend: Mail module with 3-column inbox UI (mailboxes, thread list,
detail/compose), local-first encrypted drafts in Dexie, and API-driven
thread fetching. Scoped CSS with theme tokens.

Integration: Dexie v11 schema, mail pgSchema in mana_platform,
mana-auth fire-and-forget hook for account provisioning,
getManaMailUrl() in API config, app registry + branding update.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-13 20:35:54 +02:00

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mana-mail

Mail service for the Mana ecosystem. Provides JMAP-based email access to the self-hosted Stalwart mail server, account provisioning for @mana.how addresses, and REST API for the frontend mail module.

Tech Stack

Layer Technology
Runtime Bun
Framework Hono
Database PostgreSQL + Drizzle ORM (pgSchema mail in mana_platform)
Mail Server Stalwart (JMAP + SMTP)
Auth JWT validation via JWKS from mana-auth

Quick Start

# Start (requires PostgreSQL + Stalwart running)
bun run dev

# Database
bun run db:push    # Push schema
bun run db:studio  # Open Drizzle Studio

Port: 3042

API Endpoints

Mail (JWT auth)

Method Path Description
GET /api/v1/mail/threads Thread list (paginated, filter by mailbox)
GET /api/v1/mail/threads/:id Full thread with messages
PUT /api/v1/mail/messages/:id Update flags (read/star/archive)
POST /api/v1/mail/send Send email
GET /api/v1/mail/labels Mailbox/folder list
GET /api/v1/mail/accounts User's mail accounts
PUT /api/v1/mail/accounts/:id Update account settings

Internal (X-Service-Key auth)

Method Path Description
POST /api/v1/internal/mail/on-user-created Provision Stalwart account
POST /api/v1/internal/mail/on-user-deleted Deactivate account (Phase 2)

Environment Variables

PORT=3042
DATABASE_URL=postgresql://mana:devpassword@localhost:5432/mana_platform
MANA_AUTH_URL=http://localhost:3001
MANA_SERVICE_KEY=dev-service-key
BASE_URL=http://localhost:3042
STALWART_JMAP_URL=http://localhost:8080
STALWART_ADMIN_USER=admin
STALWART_ADMIN_PASSWORD=ChangeMe123!
MAIL_DOMAIN=mana.how
SMTP_HOST=localhost
SMTP_PORT=587
SMTP_USER=noreply
SMTP_PASSWORD=ManaNoReply2026!
SMTP_FROM=Mana <noreply@mana.how>
CORS_ORIGINS=http://localhost:5173,https://mana.how

Database

Schema: mail.* in mana_platform

Tables:

  • mail.accounts — User-to-Stalwart account mapping, display name, signature
  • mail.thread_metadata — AI-generated summaries, categories, cross-module links (Phase 2)

Architecture

Browser → mana-mail (Hono, :3042) → Stalwart (JMAP, :8080)
                                   → Stalwart (SMTP, :587)

Mail content lives in Stalwart. This service acts as an authenticated proxy that:

  1. Maps Mana JWT users to Stalwart accounts
  2. Translates REST calls to JMAP protocol
  3. Caches AI metadata in PostgreSQL
  4. Handles account provisioning on user registration

Account Provisioning

When a user registers in mana-auth, a fire-and-forget POST hits /api/v1/internal/mail/on-user-created. The service:

  1. Generates a username@mana.how address from the user's name/email
  2. Creates a Stalwart account via Admin API (POST /api/principal)
  3. Assigns the user role (required for JMAP/SMTP access)
  4. Saves the mapping in mail.accounts