- Home is now the island path of every unit with one clear Start button on the
current island; the six-card dashboard is gone.
- Start opens /nodes/{id}/quiz (4 questions) instead of one-question lessons, so
an island takes one round instead of ~11. Lessons stay one tap away in the sheet.
- Tutor answers render the backend's validated diagram (plane, number line,
fraction) as React SVG; function expressions go through a small parser, no eval.
- Tedi, the mobile-preview mascot, joins as the fourth companion with all six moods
and an onboarding slide.
- Light polish: 3D buttons, header gradients, warmer page background.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The whole app lived in one 3,071-line App.tsx on a Figma scaffold (60 unused
packages, 45 unused UI components, no type-check). The live site could not
reach the backend, Persian-keyboard digits were erased from the phone field,
guests were signed out after an hour, "mark read" hit a method the server
does not accept (405), and iOS Safari blocked the payment window.
What changed:
- src/ split into api/ (one typed client: timeouts, GET retry, single-flight
refresh, SSE), screens/ (one file each), components/, state/, nav/, lib/.
- The API address is configuration only: public/config.js at runtime, then
VITE_API_BASE_URL at build time, then same-origin /api. No domain in code.
- Responsive shell instead of a fixed 390x844 phone frame; self-hosted
Vazirmatn instead of Google Fonts; strict TypeScript, `npm run build`
type-checks first.
- Everything on the handoff list: tutor answers keep their line breaks, have
thumbs up/down, follow-ups, "from the book" badge, retry, history that
survives tab switches and reloads, "why was I wrong" from a wrong answer
with questionId; question reports; hearts with maxHearts/unlimited and a
no-hearts screen with the refill time; result screen and a visible error
when lesson completion fails; subscription status, badge, discount code
before the gateway and the payment-return message; guest refresh token;
6-digit OTP with resend timer; age saved as a Jalali birthYear; PATCH
read-all; leaderboard refetched on open with "you" highlighted; selected
companion shown across the app; logout that revokes the refresh token.
- New screens for endpoints that had none: profile, streak calendar,
support tickets and bug reports, parents, invite-a-friend (with ?ref=
tracking), guest-to-phone upgrade.
- Browser/phone back button walks the screen stack.
Checked with a headless-Chrome walkthrough against a local backend at
390x844 and 360x740 (fresh guest: onboarding, setup, a full lesson, map,
island sheet, every tab and sub-screen, one real tutor question, reload,
logout): no console errors, no failed API calls. Real SMS login and a real
Zarinpal payment were not exercised.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>