Auth: Mobile — Deep link invite handling

[EricGrill]

Auth System — Mobile Step 3

Handle invite deep links so workers can tap a link and register directly in the app.

URL schemes:

• cafejusto://invite/TOKEN
• https://coffee.chainbytes.io/invite/TOKEN (universal link)

app.json config:

{
  "scheme": "cafejusto",
  "intentFilters": [{
    "action": "VIEW",
    "data": [{ "scheme": "https", "host": "coffee.chainbytes.io", "pathPrefix": "/invite" }]
  }]
}

Flow:

1. Worker receives SMS/WhatsApp with invite link
2. Taps link → app opens (or app store if not installed)
3. App navigates to RegisterScreen with token
4. GET /api/auth/invites/:token shows: "Finca Las Nubes invites you as Worker"
5. Worker fills name + password → registered + logged in

Implementation:

• Configure deep linking in app.json
• Link handler in App.tsx navigation
• RegisterScreen accepts token from deep link or manual entry
• Requires new EAS build (native config change)

Depends on: Mobile AuthStack, invite endpoints
Design doc: docs/AUTH.md

[EricGrill]

Implemented in PR #152.