UI bug from a phone screenshot (short answer, Czech):
- The textarea was flex-shrunk inside the slide's column (58px instead of
~82px), clipping the typed answer mid-line. Every direct child of a
study/review/guide slide is now shrink-0 and the slide scrolls instead.
- Two AI disclaimers were visible at once: the activity's own after the
grading box plus the feed's row. The activity-level copy is gone; the
feed/guide row (which also carries the report control) is the single one.
The phase-2 check now asserts the note sits below the graded feedback.
- The mobile suite's backdrop-tap check is deterministic too (the spring
animation made the measured box mid-flight).
Ordering activities: the deck prompt now allows them only when the notes
hold a real sequence (chronological events, process stages, procedure steps,
a lifecycle, a ranked scale) and points at matching / multiple choice /
true-false when they do not - "sort these" was landing on decks with no
order at all.
Version 0.2.4, SW -> freezmo-v57.
"Freezmo uses AI and can make mistakes. Double-check important info."
(plus a natural informal Czech translation), rendered by a shared
AiDisclaimer so the copy, style and translations live in one place.
Placements — only where the model's words reach the screen:
- Chat: under the composer, below the context/model chips — always (chat
is pure model output, so it also shows in the empty state).
- Make my homework: under the start CTA (desktop) and the mode cards'
helper line (phone), plus once under the generated result for all three
modes (make / check / guide).
- New deck wizard: under the summary helper (phone step 3) and the desktop
CTA, next to Freeze my deck.
- AI grading (short answers): under the graded feedback; study, review and
exam all share it.
Stored, already-generated content (deck page, study cards, explanations)
deliberately carries no note: the disclaimer belongs to the moment of
generation, not to browsing. Style: --text-subtle (documented at 5.6:1
light / 8.6:1 dark), 11.5px, centred, wraps to two lines at 360px, not
clickable, no icon.
Suites: chat (composer, phone + desktop), wizard (deck step 3 across
360/390 x en/cs x dark/light, homework start cards), phase3 (homework
trigger + result, phone + desktop), phase2 (stubbed grading feedback).
SW -> freezmo-v37. README: decision 50 + chat composer note.
Also fixes the deploy script's test instance: it now execs the server so
the cleanup kill reaps the real PID (the wrapper subshell left orphans
squatting on the test port — three from earlier sessions were found while
verifying this task), and the readiness poll checks the port serves the
NEW commit rather than just answering, so a leftover instance can never
be tested silently.
Answer history and schedules
- Every answer is recorded (deck, activity, topic, correct/wrong, time)
in a versioned IndexedDB log (freezmo-learning v1, stores answers +
srs), mirrored in memory for synchronous React reads and capped at
20k answers (oldest pruned). StudyFeed records as it grades.
- Light SM-2 schedule per activity: 1 day, 3 days, then interval x
ease; wrong answers return in ten minutes with the ease nudged down.
Review, mistakes, stats
- Library 'Smart review' card: due count, mistakes count (latest
answer wrong — clears itself when answered correctly), today's goal
progress. Review sessions freeze their item list at start.
- New /review (due across decks, ?mistakes=1 global or ?deck= per
deck) built on a shared SessionFeed with the study feed's snap/keyboard
mechanics, wake lock and a results slide.
- New /stats: day streak, five-week calendar, accuracy per subject and
per deck, weakest topics (>=3 answers), daily-goal progress.
- Daily goal configurable in Settings (10/20/30/50).
Exam mode
- New /exam: pick decks, question count, optional timer; no hints
(a NoHints context hides hint rows and the self-check escape);
results with score, per-deck and per-topic breakdown; wrong answers
land in the mistakes set through the normal history.
Reminders (conditional)
- VAPID-gated: GET/POST/DELETE /api/push and POST /api/push/test with
the standard route pattern, RATE_LIMIT_PUSH, zod, auth before body.
Subscriptions stored server-side as endpoint + keys only (PUSH_DIR).
UI hidden entirely without keys; iOS install note; service worker
push/notificationclick handlers; scripts/send-reminders.mjs for a
cron/systemd timer; web-push added as the one server dependency.
Verified: new phase-2 suite 42/42 (history/SRS shapes from a real study
run, mistakes clearing, review session, stats math, exam timer and
breakdowns, VAPID-less hidden state plus the configured
subscribe/validate/test/delete path against a second instance) plus
regression 74/74, mobile 52/52, wizard 80/80, declutter 116/116,
animation 8/8, native 35/35, phase1 38/38, i18n 25/25. Key parity
709/709. Lint + build clean. SW freezmo-v26.
Safety net and errors, mobile-first, desktop unchanged in behaviour.
Backup and persistence
- Settings -> Data & backup: 'Export all data' writes one zod-validated
JSON (decks, folders, homework, progress, safe settings; the API key
is not part of the shape and never appears in the file).
- 'Import backup' validates, shows a preview with added/replaced
counts and offers merge or replace; invalid files get a friendly
error. Storage persistence (navigator.storage.persist) is shown and
requestable, with the result reported.
- A dismissible nudge appears after 5 new decks or 14 days without a
backup and stays snoozed for 14 days.
Opt-in encrypted sync (off by default)
- New lib/sync.ts: PBKDF2-SHA256 (310k) -> AES-GCM-256, derived key
kept as a non-extractable CryptoKey in IndexedDB (lib/sync-key.ts);
the passphrase and key never leave the browser.
- New POST/GET/DELETE /api/sync following the route pattern (locale,
cross-origin guard, body cap, rate limit RATE_LIMIT_SYNC, auth
before body parsing, zod validation). One atomic JSON file per
random 128-bit sync ID under SYNC_DIR; server-stamped updatedAt is
the conflict clock; SYNC_MAX_BYTES and SYNC_TOTAL_BYTES enforced
(413 / 507). The server only ever sees an opaque envelope.
- Settings -> Sync: enable with a passphrase, copy the sync ID, sync
now, last-synced time, explicit keep-this-device / use-synced-copy
conflict choice, join from another device (ID + passphrase, wrong
passphrase rejected), unlock after the key is gone, delete the
synced copy (works even on a locked device). Every data store marks
sync dirty on write; pulled payloads are applied without marking
dirty again.
Monthly usage vs short-term throttling
- lib/ollama.ts classifies the real 429 body (monthly/quota/upgrade
vs burst) into new 'usage_limit' and 'throttled' kinds, mapped in
every route and in the health probe.
- The client renders the same localized message in the deck flow,
homework, grading and the Settings banner: the required
upgrade/new-key copy with 'Open Settings' (jumps to and focuses the
key field) and 'Open Ollama'. Input and wizard drafts are kept so
Retry works right after swapping the key. No model fallback.
Verified: new phase-1 suite 38/38 (backup content + no key, import
preview/merge/replace, junk file, persistence row, nudge + snooze,
sync enable/upload/opaque blob/push/join/wrong passphrase/delete,
server validation 400/401, usage-limit copy and key focus, and the
real route mapping against a stub Ollama for both 429 variants) plus
regression 74/74, mobile 52/52, wizard 80/80, declutter 116/116,
animation 8/8, native 35/35, i18n 25/25. Key parity 638/638. Lint +
build clean. SW freezmo-v25.
Homework (/homework — entry points in the drawer and on the create screen)
- Assignment intake reuses the study pipeline: pasted text, photos
(camera/picker, compressed in the browser) and documents (PDF/DOCX/PPTX/
ODT/text) through lib/image + lib/documents, the same vision step and the
same language guard. Raw files never leave the device — only text and JPEG
data URLs reach the server.
- Two large choice cards: “Just make it” returns the finished homework
(answer only, plain text, copy + make it again); “Explain how to make this
homework” builds an interactive guide.
- The guide is one step per screen in the study-feed snap layout:
explanation, three progressive hints (nudge -> hint -> the answer) and an
optional checkpoint rendered by the existing activity components (graded
through /api/grade). The last screen assembles the solution from the step
answers, with a copy button. Checkpoints carry xp 0 so the guide stays free
of XP/streak chrome.
- Results live in freezmo.homework.v1 with a small history (open/delete);
“Make it again” re-runs from the stored assignment text (the vision
transcription when photos were used) — no original files are stored.
- The answer and the guide are written in the assignment's language, never
translated into the UI language.
Server
- POST /api/homework: NDJSON stage events like /api/generate, the same
http-guard, auth checked before parsing, and its own RATE_LIMIT_HOMEWORK
(documented in .env.example + the README table).
- New prompts in lib/prompts.ts and zod schemas in lib/schemas.ts with the
same single repair retry; TEXT_MODEL for content, VISION_MODEL only for
photos. New shared client pieces: useNotesIntake, lib/homework store,
lib/clipboard, and a shared NDJSON reader in lib/client-api.
Also finishing the mobile polish pass from the previous request
- Phone ice scene: the top-left orb moved behind the glass header (it sat
behind the page heading/subtitle). The settings sheet's scroll cue is now a
bare chevron inside a content fade (mask) instead of a chip over the status
banner, and the API key card's note/disclosure/actions are tightened.
- theme-color now follows the in-app theme (SSR metas still fall back to the
OS preference); apple-mobile-web-app-status-bar-style stays “default”
because iOS fixes the status-bar text colour at launch.
Verified: 78/78 homework checks (text/photo/PDF, both modes, EN+CS, dark+light,
360/390px, copy, history persistence, storage privacy, API language, axe), plus
the existing suites re-run (mobile 47/47, pixel contrast 0 below AA, i18n 27/27,
desktop regression 72/72). Lint + build clean; service worker freezmo-v6.
English stays the default; Czech is a full translation. Only the app chrome
is translated - notes and generated decks keep their own language, which is a
core feature, not a setting.
i18n
- lib/i18n-dict.ts: flat en/cs dictionaries (441 keys each), translate() and
translatePlural() with real Czech plural rules (1 sada / 2-4 sady / 5+ sad).
English is the default and the fallback for a missing key.
- lib/i18n.ts: browser store (freezmo.locale.v1), useI18n() hook, and the
x-freezmo-locale header. The hook's t/plural are bound to the locale React
is rendering with, so the first client render matches the server HTML and
then re-renders in the stored language; module-level t is only for event
handlers and non-React helpers.
- <html lang> follows the choice (inline script + setLocale).
UI
- Settings -> Language segmented control (English / Cestina), plus an EN/CS
button on the key gate for first run.
- Every screen translated: sidebar, header, tab bar, library, deck cards,
folder bar, create flow, all seven activities, study chrome, results,
settings + health panel, API-key gate and help, install sheet, offline and
the deck-not-found page.
- Plural-aware counts everywhere (decks, folders, activities, runs, photos,
documents, pages, words, wrong attempts).
Server
- API routes and guards (generate, grade, health, http-guard, rate-limit,
ollama error mapping) answer in the request's language, so error cards and
the health panel never fall back to English mid-sentence.
Fixes
- A hydration mismatch when a non-default locale was stored silently dropped
the .dark class after hydration; render-time t() is now bound to the
hook's locale (UploadScreen.describeExtraction, ResultsScreen.answerFor,
DeckCard's folder fallback).
- Bumped the service worker cache to freezmo-v4 for this deploy.
Tests: i18n 27/27 (gate toggle, persistence, html lang, Czech plurals,
settings switch) and a rebuilt regression suite 72/72 (English default,
library, create, all 7 activity types, results, settings, install sheet,
offline, PWA, security, Czech smoke).
Rebuilds the look around the spec: an ice scene, one shared glass
recipe, icy accents and glass on every large surface. Visual only —
layout, behaviour, copy and functionality are untouched.
Background
- .ice-scene: fixed, z-index -1, pointer-events none. Navy base
(#070b16 to #0c1426) in dark, pale (#f4f9ff to #e6f1fb) in light,
four drifting glacier blobs (#38bdf8/#60a5fa/#818cf8, 30-60s
transform-only loops), five glossy ice orbs (40-220px radial
gradients with a highlight at 30% 25% and a blue shadow) placed so the
glass blurs them, and an SVG feTurbulence grain at 4-5%.
- prefers-reduced-motion stops the drift; phones get two blobs and two
orbs fewer.
Glass
- One shared recipe (.glass-panel, .card, .sidebar-surface,
.study-chrome, .tabbar, .glass, .gate-card): rgba(255,255,255,.06)
dark / .55 light, blur(24px) saturate(140%) (16px on phones), a bright
1px rim, an inset top highlight and a blue-tinted outer shadow.
- Nested glass (chips, inputs, secondary buttons) is more opaque and
never adds a second blur layer. @supports fallback for no
backdrop-filter. Radii: 24-28px cards/sheets, 14px inputs/buttons,
pills for chips. Cards hover brighter + cyan rim + 2px lift, 180ms.
Colour and type
- Accent is glacier cyan (#38bdf8) to ice blue (#0ea5e9); progress bars
and selected states use the gradient; the active sidebar item is a
frosted highlight with a cyan rim.
- Primary CTA: icy gradient — white to #bfe3ff with ink text in dark,
deep blue in light (biased so the label sits on the darker half and
keeps 5.6:1).
- Leftover slate/black greys replaced with navy-tinted frost tokens.
- Headings are semibold with tighter tracking.
Screens
- Dashboard: the sidebar is one tall inset rounded glass panel; deck
cards are glass.
- Gate: one centred glass card over the scene, orbs visible behind it.
- Sheets/modals: glass over the dimmed, lightly blurred backdrop.
- Study view: question card more opaque (.glass-solid); top bar and
pager are slim glass pills.
Perf: measured on a phone viewport with 4x CPU throttling. The animated
blobs' filter: blur() was the whole cost (150ms vs 33ms per frame), so
they are soft radial gradients with no filter now; idle 60fps, ~17ms
median while scrolling.
Tests updated for the new tokens: contrast 18/18 AA, deck chrome 15/15,
key gate 49/49, install sheet 64/64, deck fixes 15/15, retry 14/14,
zoom 6/6, final ux 12/12, security 8/8, pwa 16/16.
Next.js 15 app that turns photos, PDFs, DOCX/PPTX and text into a swipeable
feed of AI-generated activities (flashcards, multiple choice, true/false,
fill-in-the-blank, matching, ordering, short answer) using the user's own
Ollama models.
Highlights:
- All AI calls run in server route handlers; the browser never talks to Ollama.
- Bring-your-own-key mode (default): the key lives only in the browser and is
sent per-request; server, local-daemon and shared-key modes also supported.
- Client-side document extraction (pdf.js, mammoth, jszip) with scanned-PDF
page rendering for the vision model; notes stay in their original language.
- ChatGPT-style shell: collapsible sidebar / mobile drawer, neutral token-based
light + dark themes, folder organisation, PWA (manifest, SW, offline page).
- Strict JSON validation with zod + auto-repair, rate limiting, and request
guards (cross-origin, body-size, API-key sanitising).
- setup.sh bootstraps deps, .env.local and a production build.
Gitignore excludes .env*, the generated pdf.js worker and local scratch files.
