managarten/apps/mana/CLAUDE.md

CLAUDE.md — Mana Unified App

Project-level guidance for apps/mana/. For monorepo-wide patterns (auth, services, dev commands, env vars), see the root CLAUDE.md.

Project Overview

Mana is the unified web app at mana.how, serving 27+ product modules (todo, calendar, contacts, chat, notes, dreams, memoro, cards, picture, presi, music, storage, …) under one SvelteKit build, one IndexedDB, one auth session, one deployment.

apps/mana/apps/
├── web/        # SvelteKit 2 + Svelte 5 unified app — the main surface
├── mobile/     # Expo / React Native (lower priority, may lag)
└── landing/    # Astro static landing → Cloudflare Pages

Module System

Each module lives in apps/web/src/lib/modules/{name}/ and registers itself via module.config.ts. Module state is split into three files:

File	Role
collections.ts	Dexie table references + (sometimes) seed data
queries.ts	Read-side — Dexie liveQuery hooks, type converters, pure helpers for $derived
stores/*.svelte.ts	Write-side — mutation methods. Never reads for UI rendering (queries.ts does that). Only reads when a mutation needs existing state (toggle, increment).

Module store pattern

// modules/todo/stores/tasks.svelte.ts
export const tasksStore = {
  async createTask(input: {...}) {
    const newLocal: LocalTask = { ...input, id: crypto.randomUUID() };
    const plaintextSnapshot = toTask({ ...newLocal });
    await encryptRecord('tasks', newLocal);
    await taskTable.add(newLocal);
    return plaintextSnapshot;
  },
};

// modules/todo/queries.ts
export function useAllTasks() {
  return useLiveQueryWithDefault(async () => {
    const locals = await db.table<LocalTask>('tasks').orderBy('order').toArray();
    const visible = locals.filter((t) => !t.deletedAt);
    const decrypted = await decryptRecords('tasks', visible);
    return decrypted.map(toTask);
  }, [] as Task[]);
}

Data Layer (Local-First)

The app reads and writes IndexedDB first, then syncs to mana-sync (Go, port 3050) in the background. One Dexie database (mana) holds 120+ collections from every module — colliding table names get a module prefix (e.g. todoProjects, cardDecks, presiDecks).

User action (e.g. tasksStore.createTask)
        │
        ▼
Module store builds the LocalRecord
        │
        ▼
encryptRecord(tableName, record)
        │
        ▼
table.add(encryptedRecord)            ← Dexie write
        │
        ▼
Dexie hooks (database.ts):
  - stamp userId
  - stamp __fieldTimestamps per field
  - record into _pendingChanges  (tagged with appId)
  - record into _activity
        │
        ▼
Sync engine (sync.ts) — debounced 1s
  - groups changes by appId
  - POSTs to mana-sync
        │
        ▼
mana-sync → PostgreSQL with field-level LWW + RLS
        │
        ▼
Other clients pull via SSE / polling
        │
        ▼
applyServerChanges → Dexie hooks (suppressed) → liveQuery → decryptRecord → UI

Deep dive: apps/web/src/lib/data/DATA_LAYER_AUDIT.md — sync engine, retry/backoff, quota recovery, telemetry, RLS, encryption rollout, threat model. Single most important file for understanding how the app works under the hood.

At-Rest Encryption

User-typed content in 27 tables is encrypted with AES-GCM-256 before it touches IndexedDB. Master key lives in mana-auth (KEK-wrapped) and is fetched on login.

Mode	Default	What Mana can decrypt
Standard	✅ Yes	The user's master key, via the server-side KEK
Zero-Knowledge	Opt-in (Settings → Sicherheit)	Nothing — recovery code lives only with the user

When writing module code that touches sensitive fields:

1. Add the table to apps/web/src/lib/data/crypto/registry.ts with the field allowlist
2. await encryptRecord(tableName, record) before table.add() / table.update()
3. await decryptRecords(tableName, visible) after the Dexie query, before the type converter
4. The Dexie hook in database.ts does NOT auto-encrypt — every store does it explicitly. This is by design (Web Crypto is async, hooks are sync).

Defaults: encrypt for new user-typed text fields; plaintext for IDs / timestamps / sort keys / enum discriminators.

User-facing docs: apps/docs/src/content/docs/architecture/security.mdx.

Routing

apps/web/src/routes/
├── (auth)/              # Public auth pages (login, register, recovery)
├── (app)/               # Auth-gated app surface — 27+ module routes
│   ├── dashboard/       # Customizable widget grid
│   ├── settings/
│   │   └── security/    # Vault status + recovery code + ZK opt-in
│   ├── todo/            # …and many more module routes
│   └── …
└── api/                 # SvelteKit API endpoints (rare; most data is local-first)

The (app) group is wrapped by AuthGate, which redirects unauthenticated users to /login and reads the access tier from the JWT to gate beta/alpha/founder-only modules.

Legacy Supabase: removed. Anything mentioning @supabase/ssr, safeGetSession(), or event.locals.supabase is leftover from a much earlier iteration and should be deleted on sight.

Path Aliases (apps/web/svelte.config.js)

$lib → src/lib · $components → src/lib/components · $stores → src/lib/stores · $utils → src/lib/utils · $types → src/lib/types · $server → src/lib/server

Auth Access Pattern

Auth state lives in $lib/stores/auth.svelte.ts. The current user id is also pushed into $lib/data/current-user.ts so the Dexie creating-hook can auto-stamp userId on every record. Module stores never need to know who the current user is — they just write, and the hook stamps the right userId.

Development Commands

For full local-dev (Mana Auth + mana-sync + web together), use the root-level pnpm run mana:dev or pnpm dev:*:full commands. See root CLAUDE.md and docs/LOCAL_DEVELOPMENT.md.

Web-app-only:

cd apps/mana/apps/web
pnpm dev          # Dev server on :5173
pnpm build        # Production build
pnpm preview      # Preview production build
pnpm check        # svelte-check type check
pnpm lint         # Format check + ESLint
pnpm format       # Prettier write
pnpm test         # Vitest (unit + integration with fake-indexeddb)
pnpm test:e2e     # Playwright

Tech Stack

• Web: SvelteKit 2 + Svelte 5 (runes mode), TailwindCSS, Vite
• Auth: Mana Auth (Better Auth + EdDSA JWT) via @mana/shared-auth
• Data: Dexie.js (local-first) + mana-sync (Go) backend
• Encryption: AES-GCM-256 via Web Crypto, server-wrapped MK with optional zero-knowledge
• Local AI: @mana/local-llm (Gemma 4 E2B, WebGPU) + @mana/local-stt (Whisper, WebGPU) — both run entirely in-browser via transformers.js
• Testing: Vitest, Playwright
• Mobile: Expo, Expo Router, NativeWind, EAS Build

Svelte 5 runes are mandatory — no legacy let count = 0; $: doubled = count * 2. Always $state, $derived, $effect. See .claude/guidelines/sveltekit-web.md.

Reference Documents

Path	Purpose
apps/web/src/lib/data/DATA_LAYER_AUDIT.md	Data-layer + sync deep dive, encryption rollout, threat model, backlog
apps/docs/src/content/docs/architecture/security.mdx	User-facing security walkthrough
apps/docs/src/content/docs/architecture/authentication.mdx	Auth flow + JWT structure
Root CLAUDE.md	Monorepo overview, services, dev commands, env vars