312 Commits

Author SHA1 Message Date
Ilia Denisov 8ce986922a feat(ui): wallet storefront redesign — split buy/spend, compact balance, exchange confirm
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Reworks the Wallet screen to be more compact and to separate the two flows, and fixes a
reported bug.

Bug: buying a value with too few chips showed the generic "Something went wrong" toast — the
backend's `insufficient_chips` (409) code was propagated correctly but had no i18n mapping, so
`errorKey` fell back to `error.generic`. Add `error.insufficient_chips` / `error.product_not_found`.
Also disable a value's Exchange button up front when the spendable balance cannot cover it (the
server stays authoritative).

Redesign:
- a compact **balance** row leads the screen — the context's own chips (🪙 N) then any linked
  other-platform chips behind that platform's logo (monospaced digits); inside a VK/TG store only
  that store's own segment shows;
- the benefits section is renamed **Active**, moved above the store, shows one inline line
  (hints + ad-free) and hides when nothing is active;
- the **store** splits by a two-way toggle into **Buy chips** (money packs + the watch-an-ad row at
  the top) and **Spend chips** (values, exchanged for chips);
- a value's action reads **Exchange** and opens a single confirmation dialog (chip spends are
  instant, with no provider window to confirm them); the existing cross-platform store-compliance
  warning folds into that same dialog when the spend would draw VK/TG chips.

No payments-model or wire change; the money→chips→values model is unchanged (verified: money buys
only chip packs, values are chips-only — "no-ads for money" is structurally impossible).

Tests: wallet e2e updated for the new layout (chromium + webkit green). Docs: FUNCTIONAL (+_ru)
wallet story rewritten. App bundle budget 126 → 127 KB (always-loaded settings hub).
2026-07-10 17:46:22 +02:00
Ilia Denisov bf46b9492d fix(ui): one-word games must not highlight phantom cross words; review polish
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Board-highlight bug (reported on the contour): formedGeometry walked cross words
unconditionally, so in a single-word (one-word-per-turn) game a staged tile sitting
next to a committed tile lit up a green "cross word" the engine ignores — and which
need not even be a real word (the reported "БО lights up green in a one-word ПОПА
play"). Gate the cross-word walk on the game's multipleWordsPerTurn flag. The score
(8) was already correct — a premium square under the main word.

Also, from review:
- the turn strip reads the staged play's "WORD+WORD = N" while composing a legal move,
  reverting to the turn / result text otherwise;
- the Exchange/Pass dialog shows the bag count ("In the bag: N" / "Bag is empty")
  right-aligned in the title row, via a new optional Modal `titleAside`;
- cosmetics: half the turn strip's bottom padding (the plaques below carry their own
  top pad); a top gap above the landscape rack (it sat flush under the docked history);
  more horizontal padding on tab count badges so a 2-3 digit bag count clears the pill
  ends;
- admin console: the game Summary now shows the single-word / multiple-words rule.

Tests: formed single-word case added; full unit (584) + e2e (chromium + webkit, 113
each) green; backend build + adminconsole templates parse. Docs (FUNCTIONAL +_ru,
UI_DESIGN) updated.
2026-07-10 15:58:05 +02:00
Ilia Denisov 77a690fcf6 feat(ui): move in-game status to the board — highlight, score badge, full-width rack
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Remove the under-board status strip and relocate its signals:
- bag count -> a badge on the exchange/pass control + the foot of the move table
- whose-turn / win-lose -> a thin strip above the score plaques
- the tentative-move caption -> the board itself: staged tiles tint green (legal) or
  pink (illegal), the board tiles a formed word runs through go a shade darker, and an
  orange score badge sits on the main word (digit sized like a tile value, clamped on-board)

The word geometry (covered cells + badge anchor) is a new pure client-side helper
(ui/src/lib/formed.ts), independent of the move evaluator, so it works on the local or
network preview path alike; the badge's number still comes from the preview score.

Rack: a seven-column grid filling the tray width in both layouts — square, full-width
tiles — with the confirm control in the fixed 7th slot.

Settings: a touch-only "Zoom the board" toggle (default on, device-local) gates the
tile-placement auto-zoom; taking a hint while zoomed in now zooms out so the highlighted
hint word is never left off-screen.

Docs (FUNCTIONAL +_ru, UI_DESIGN, ARCHITECTURE) and e2e/unit tests updated.
2026-07-10 14:58:32 +02:00
Ilia Denisov e40adfb0c7 fix(games): carry game kind on live events + fix the New Game lock funnel
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Address review of the active-game limit lock:

- Live-event GameViews (opponent_moved, match_found, game_started, ...) did
  not carry game_kind, so a lobby patch from an event zeroed a game's kind
  and the client's per-kind count under-counted — a capped kind read as
  free (a disabled start instead of the lock, and a wrong per-kind result).
  Thread Kind through notify.GameSummary → the event GameView.

- New Game screen refreshes the lobby games on mount so the per-kind count
  reflects the current set, not a stale cached snapshot.

- The guest funnel's login button routes to the profile screen (the account
  controls), not settings.

- Copy: the guest prompt is "sign in to use all the game's features"; the
  durable notice is "finish your active games to start a new one".

Regression tests: the notify opponent-moved payload carries kind; the client
lock locks only the reached kind (vs_ai at cap leaves random open).
2026-07-10 10:55:48 +02:00
Ilia Denisov 3306a016a0 feat(ui): per-kind active-game limit lock on the New Game screen
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Carry the caller's per-tier active-game caps and each game's kind on the
wire (Profile.game_limits + GameView.kind, additive FBS + gateway transcode
+ client codec, committed regen). The New Game screen counts the player's
active games per kind from the lobby and locks a capped start: an outline
button with a lock that opens a funnel modal instead of a game -- a sign-in
prompt for a guest, a "finish a current game first" notice for a signed-in
account (native Telegram popup, in-app modal elsewhere). The lock lifts via
the existing profile refetch after a guest->durable upgrade.

Remove the lobby's old at_game_limit New-Game tab disable + notice: the flag
(now the random-kind cap) conflicted with the per-kind lock -- it hid the
screen where the lock lives and wrongly blocked an unfulfilled kind. The New
Game tab is always enabled; the per-kind start lock is the only gate. The
at_game_limit wire field stays (unused by the client) for a later cleanup.

Tests: client lock logic + codec kind/game_limits roundtrip + gateway
transcode encode + native popup builders (unit); a mock e2e for the lock
badge and the modal.
2026-07-10 10:09:45 +02:00
Ilia Denisov 82648a4398 fix(game): show granted/bought hints in-game — finish the D31 wire removal
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The in-game hint badge ignored the payments hint wallet: loading a game clobbered
app.profile.hintBalance with the deprecated StateView.wallet_balance (zeroed in the
D31 domain removal but left in the protocol as a dead 0, then synced over the real
balance at game load).

Finish the removal honestly. StateView carries the per-game allowance alone
(hints_remaining); the purchasable wallet lives solely on the profile and the client
adds it (lib/hints). Removed StateView.wallet_balance across every layer — backend
StateView/DTO, notify.PlayerState (live events), gateway StateResp + wire.StateView,
the client model/codec/mock/localgame — and dropped the now-unused wallet arg from
hintsRemaining. The FBS field is tombstoned `(deprecated)` (not deleted) so the vtable
slots after it stay stable across a rolling deploy; no accessor is generated. HintResult
keeps wallet_balance (the real post-spend payments balance the client adopts into the
profile). The StateView type no longer has walletBalance, so the clobber cannot return
without a compile error.

Tests: hintsRemaining (2-arg); hints.hintsLeft (allowance + live wallet, no strip); the
game state/hint integration (allowance-only HintsRemaining); gateway transcode; FBS regen.
2026-07-10 06:26:49 +02:00
Ilia Denisov 7ce8101cfa test(ads): lock the hint-pushed ad restarting the vs_ai gap (no over-serving)
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2026-07-10 03:43:57 +02:00
Ilia Denisov b5c8a04f0b fix(ads): share one interstitial cooldown timer across kinds
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Cooldowns were tracked per kind ({move,hint}), so a hint ad and a move ad
did not see each other: after a hinted move's ad the move timer was still
zero, and the next plain move fired an ad immediately — two ads within a
minute, under the cooldown. Track a single shared last-shown time; the kind
only selects the required gap (hint 1m, move 5m, vs_ai 30m) measured from the
last interstitial of any kind. A hint can still fire on its shorter gap
(D30's "independent" hint cooldown), but never stacks a second ad within a
cooldown.

Tests: a hint uses the shorter shared gap; a move does not stack onto a
just-shown hint ad.
2026-07-10 03:36:18 +02:00
Ilia Denisov 2ce80c241d fix(ads): fire the hint interstitial on the confirmed move, not on the hint
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Taking a hint fired the post-move interstitial immediately, when the hint's
preview tiles landed — interrupting the turn and reverting the board to the
rack on the ad's close while the hint stayed spent. Move the trigger to the
move confirmation: a hint applied this turn marks it (hintUsedThisTurn), and
the confirmed play fires the hint-kind interstitial (its own cooldown)
instead of the plain move one; the marker clears on any turn boundary
(applyMoveResult) so a hint-then-pass does not leak into the next move.

e2e: taking a hint fires no ad; confirming a move does.
2026-07-10 03:12:30 +02:00
Ilia Denisov 13be7c3d9a feat(ads): VK post-move interstitial + retire deprecated hint_balance/paid_account
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Interstitial video after a confirmed play or a hint, VK-only, offline
banner-only. The gate is client-mirrored: the backend puts the config
cooldowns (global 5m / vs_ai 30m / hint 1m) and a suppressed flag (the
no-ads / no_banner gate, same as the banner) on Profile.ads via adsFor;
the client self-gates on a per-kind last-shown time in localStorage, with
the VITE_ADS_STUB contour "ad fired" toast. Never fires after a pass,
exchange or resign. maybeShowInterstitial + vkShowInterstitial; the codec
and gateway transcode carry the ads block.

Also retires the deprecated accounts.hint_balance / paid_account domain
usage (expand-contract, code only — the columns stay for a later DROP so
image rollback stays DB-safe): drop the Account fields and their scan, the
dead account.SpendHint, account.GrantHints and the admin grant-hints
action; the in-game hint display now comes wholly from the payments hint
benefit. Banner eligibility and account merge no longer read the legacy
flags.

Tests: ads.test.ts (the client-mirrored gate), the codec ads round-trip,
the gateway ads transcode test, and a profile ads-config integration test
(cooldowns + suppressed under no-ads / no_banner). Docs: PAYMENTS §10 (+ru)
interstitial, the decision amends, backend README, the plan.
2026-07-10 02:48:10 +02:00
Ilia Denisov 9acf6ab3b4 fix(payments): VK-iOS freeze is purchase-only; remove the rewarded diagnostic
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Testing the rewarded slice surfaced a contradiction: rewarded ads let a VK-iOS
user earn vk chips, but the blanket VK-iOS "spend freeze" then blocked spending
them (the wallet showed "5 (view-only)"). Apple's ToS forbids only BUYING in-app
values on VK-iOS (money -> chips), not spending or earning them — so the freeze is
corrected to purchase-only: vkFrozen() now gates only CreateOrder (the money-in
step), not spendableSources (spending). VK-wallet chips — earned via rewarded ads
or bought on the same account elsewhere (VK Android) — now spend on VK-iOS too.
(Owner's ToS finding.)

Also: the temporary contour diagnostic confirmed VK returns only {result:true} for
a rewarded view (no token/signature) — client-attested is final, no hardening
possible — so the diagnostic (the log and the diag wire field) is removed.

Docs: PAYMENTS(+ru) VK-iOS freeze + D17 amend + PLAN E6. Tests updated (gate /
wallet VK-iOS now spendable).
2026-07-10 01:27:26 +02:00
Ilia Denisov dbd76d53e8 feat(ads): rewarded video (VK) — client-attested credit + daily/hourly caps
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The first ads slice: a voluntary rewarded video credits chips. VK Mini App ads
(VKWebAppShowNativeAds) expose only a client-side watch result — no
server-to-server verify — so the credit is client-attested, guarded by a server
daily + hourly cap (config reward_daily_cap / reward_hourly_cap, default 50 / 10).
The caps are both anti-abuse (bounding a forger who skips the ad and calls the
endpoint directly) and an economic conversion lever (limiting free chips so a
player who wants more buys). D29 amended to VK's reality.

Backend: CreditReward (VK-only, order-less, idempotent on a client nonce, floored
by the caps; payout from config rewarded_payout_chips, default 0 = off) + the
wallet.reward edge op returning the updated wallet (reward_chips gates the
"watch for chips" CTA). Additive migration (two config columns).

Client: the ads-network abstraction (lib/ads.ts, VK impl) + the VK bridge
(vkRewardedReady / vkShowRewarded) + the Wallet CTA + i18n. A contour test stub
(VITE_ADS_STUB -> a toast instead of a real ad; prod always real) and a temporary
diagnostic that logs the raw VK data, so we confirm on the contour exactly what
VK returns (harden to signature-verify if it carries one).

Tests: backend integration (credit, nonce idempotency, hourly cap, disabled,
non-VK refusal) + codec unit (reward wire). Docs: PAYMENTS(+ru) §10, D29 amend,
PLAN E6. Bundle: shared budget 30->31 (reward i18n strings).
2026-07-10 00:41:42 +02:00
Ilia Denisov 55dbb1005e fix(ui): scope the wallet buy-button busy dim to the tapped button
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Tapping one pack's Buy dimmed every buy button at once (the shared busy
flag drove disabled + the :disabled opacity on all of them), so it looked
like both packs reacted to one tap. Track the in-flight product id
(busyId): the concurrency guard stays global, but the pressed/dimmed look
is now scoped to the tapped button. Payments were never affected.
2026-07-09 22:26:28 +02:00
Ilia Denisov 6e03ce0131 feat(payments): Telegram Stars payment rail
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Accept real money via Telegram Stars (XTR) — the third intake rail
alongside Robokassa (direct) and VK Votes.

Only the bot reaches Telegram, so the rail funnels through the reverse
mTLS bot-link:
- the gateway mints the invoice on a CreateInvoice command (the bot
  calls createInvoiceLink, XTR; the link goes to WebApp.openInvoice);
- the bot gates each pre_checkout_query via a ValidatePreCheckout unary
  (the order must exist, be still creditable and not already paid — the
  reusable-invoice double-pay guard; the decline reason is localised to
  the order account's language);
- a completed successful_payment is queued in a durable pure-Go SQLite
  outbox and forwarded via a ForwardPayment unary, credited once
  (idempotent on telegram_payment_charge_id, honours an expired order),
  re-driven on restart and every 30s.

The rail is wired by TELEGRAM_STARS_OUTBOX_DIR (default /data) but stays
inert until a chip pack carries an XTR price, so seeding a Stars price in
the admin is the go-live.

Tests: backend integration (order->forward->credit once, duplicate,
pre_checkout gate) + bot outbox unit (idempotent, restart re-drive) +
executor createInvoice. Docs: PAYMENTS(+ru) §9, ARCHITECTURE, the
platform/telegram README, PLAN.
2026-07-09 21:35:29 +02:00
Ilia Denisov 8230253142 fix(ui): derive the VK-iOS store link from the deployment origin
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Replace the hardcoded erudit-game.ru host with location.origin, so the iOS
store note's "other version" link points at this deployment's own site root
(prod or the contour) without a hardcoded host or build-arg wiring.
2026-07-09 20:26:25 +02:00
Ilia Denisov e33b9864c8 fix(ui): point the VK-iOS "other version" link at the site root
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The landing at / lists every version's entry; /app/ dropped the player straight
into the web game. Link the iOS store note to the root instead.
2026-07-09 20:18:42 +02:00
Ilia Denisov f6aa0ba4b0 fix(ui): correct the VK-iOS purchase block + add an iOS store note
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The VK-iOS detection used platformSubtype(), which is server-derived for VK and
so never reported iOS on the client — the pack CTA stayed active and a tap hit a
403 with a generic error. Read the device family from the signed vk_platform
launch param (normalizeSubtype(vkPlatform())) instead. Under the store header on
VK-iOS, add a note that purchases are prohibited by Apple policy, linking to the
web version (opened through VK's external-link route).
2026-07-09 20:11:35 +02:00
Ilia Denisov f48ebf2151 fix(ui): VK-iOS shows the pack CTA disabled with a toast, not a failed buy
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Money purchases are not permitted in the VK iOS app (Apple ToS), and the backend
already refuses them (the CreateOrder VK-iOS freeze). Show the pack "Buy" muted
there and explain on tap ("purchases are not available on this platform"),
instead of letting the tap hit a 403 and a generic error toast. The storefront
still lists the packs.
2026-07-09 19:57:10 +02:00
Ilia Denisov 3bb9f10fad feat(payments): VK Votes payment rail
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Wire the VK Mini Apps ("голоса") rail end to end, reusing the intake engine. The
wallet.order endpoint branches by rail: a VK context opens a pending order
(provider vk) and returns its id, which the client passes to VKWebAppShowOrderBox.
VK's two-phase payment callback is verified at the gateway with the app protected
key (GATEWAY_VK_APP_SECRET) and proxied to a backend intake handler: get_item
returns the ordered pack's title and vote price; a chargeable order_status_change
credits the vk segment exactly once (the same Fund, idempotent on VK's own order
id) and records a succeeded event, so the dispatcher push refreshes the wallet.
Integration test for the VK order->credit path.
2026-07-09 19:27:57 +02:00
Ilia Denisov 3367cc2bf1 feat(payments): payment-event dispatcher + the provider-return UX
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Deliver payment_events to connected clients as an in-app wallet-refresh push: a
background dispatcher drains undispatched events and publishes a KindNotification
"payment" signal, marking each delivered; the client bumps a wallet-refresh
counter the open Wallet screen watches, re-fetching in place. A return-focus
refetch is the fallback. The Robokassa Success/Fail return now serves a
self-closing page (the payment opens in a separate window) so the customer drops
back into the live app instead of a cold start. Integration test for the event
drain/mark queue.
2026-07-09 18:26:06 +02:00
Ilia Denisov 936a70ab94 feat(ui): wire the chip-pack purchase to Robokassa
Replace the disabled "Soon" pack action with a real purchase: the Wallet opens a
money order (wallet.order) and sends the player to the provider's hosted-payment
page (window.open via openExternalUrl); the chips are credited later by the
verified server callback. Add a public-offer link under the packs (paying
accepts the offer). Codec order round-trip unit test + a mock-e2e purchase test;
the Google Play stub and the chip-spend paths are unchanged.
2026-07-09 17:43:02 +02:00
Ilia Denisov 2a6dc5a304 feat(gateway): wire the wallet.order edge call for the direct rail
Add the WalletOrderRequest / WalletOrderResponse FlatBuffers messages and the
wallet.order Connect op: the gateway decodes the order request, forwards it to
the backend POST /wallet/order and returns the created order id plus the
provider launch URL the client opens. Regenerate the committed Go and TS
FlatBuffers code.
2026-07-09 17:30:39 +02:00
Ilia Denisov 625fc3135a feat(ui): serve the public offer at /offer/ with a landing footer link
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The offer is the legal document a purchase accepts, needed before real-money
intake goes live. Convert the source PDF to an editable ui/legal/offer_ru.md and
render it to a standalone static dist/offer/index.html at build (a vite
emit-offer plugin using marked); the landing container serves it at /offer/,
with a bare /offer redirecting in. Add a small centered "Публичная оферта"
footer link on the landing (ru/en) and a CI probe asserting /offer/ serves the
page rather than silently falling through to the landing shell.
2026-07-09 16:03:50 +02:00
Ilia Denisov 4aa6174968 feat(payments): wallet screen with balances, benefits and storefront
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Add the "Кошелёк" section to the settings hub: context-visible chip
balances, active benefits (no-ads term/forever, hints) and a storefront of
chip-priced values and money-priced chip packs. Guests have no wallet; the
Google Play build hides the money purchases behind a RuStore stub; a web
purchase that would draw VK/Telegram chips warns first.

Add the catalog read path the storefront needs — a context-projected
GET /api/v1/user/wallet/catalog (payments service + store, gateway op
wallet.catalog, FBS Catalog/CatalogProduct/CatalogAtom, client decode) —
plus the client leg for the existing wallet.get/buy ops. Value spends reuse
the existing spend path; the chip-pack purchase (money order flow) arrives
with payment intake, so its action is a disabled placeholder for now.

Covered by Go unit (catalog projection) + integration (/wallet/catalog over
Postgres), vitest (formatting, spendable selection, web-spend warning, GP
flag, codec + gateway encode round-trips) and Playwright mock e2e (render,
guest-hidden, GP stub, warning) on Chromium + WebKit.
2026-07-08 12:37:32 +02:00
Ilia Denisov 1c06d1d0d1 feat(payments): chip wallet, store-compliance gate and benefit application
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Stand up the internal chip/benefit mechanic behind the narrow payments interface:
context-aware balances and benefits, an atomic chip spend, admin grants as
zero-price value sales, the one-directional store-compliance gate (VK/TG same-
origin only, web draws direct→vk→tg, VK-iOS frozen, untrusted fail-closed), and
per-origin hint and no-ads application with term stacking. Reads are served from
an in-process, account-keyed write-through cache (mirroring the suspension gate),
so hot paths issue no query to the payments schema.

Flip the online-game hint wallet and the ad-banner suppression from the deprecated
accounts.hint_balance / paid_account columns to the payments benefit (a hint
balance no longer suppresses the banner — only a no-ads benefit does), and fold
chip segments and benefits by origin on account merge, inside the merge tx. Add
the GET/POST /api/v1/user/wallet edge chain (REST → Connect → FlatBuffers) plus
its codec unit test; no wallet UI yet.

Bring the frozen owner decisions log into the repo at
docs/PAYMENTS_DECISIONS_ru.md (it was untracked under .vscode) and reference it
from PLAN.md; record the read-cache design and the present-sources interface in
PLAN.md and docs/PAYMENTS.md (+ RU mirror).
2026-07-08 06:06:40 +02:00
Ilia Denisov 92633f935e feat(payments): trusted platform signal on the session
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Record the execution platform (kind vk|telegram|direct + device subtype
ios|android|web) on each session, captured at creation and carried
gateway->backend as a trusted X-Platform header, so the upcoming
store-compliance gate has an unforgeable execution context.

- backend.sessions gains nullable platform_kind/platform_subtype columns
  (migration 00011, CHECK-constrained, jet regenerated); session.Platform
  captures them at mint, resolve returns them, middleware exposes platform(c).
  kind is derived from the establish endpoint, never a client field; the
  account-merge session mint inherits the caller's platform.
- gateway derives the platform (VK subtype from the signed vk_platform via
  vkauth, Telegram/direct best-effort from the client) and injects X-Platform
  on every authenticated backend call through the request context.
- ui submits a best-effort device subtype on the telegram/guest/email login
  requests (new FBS subtype field); VK is server-derived from the signed params.
- an unattributed session is untrusted (view-only); VK/TG self-heal on the next
  cold-start re-mint, direct/email on re-login.

Signal plumbing only, no user-visible change; X-Platform is inert until the
gate consumes it.
2026-07-08 03:31:51 +02:00
Ilia Denisov a7f483792f feat(offline): randomise the hotseat seating (random first mover)
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The 2-4 hotseat players now start in a random seating order (so who goes
first, and the turn order, is random) — matching the online games. The
engine starts at seat 0, so shuffling the seats at creation picks the
starter; the shuffle is seed-driven (a distinct derivation from the tile
bag), so replay reproduces it. Scoped to hotseat — vs_ai stays human-first.
- lib/roster.ts: shuffleSeeded (unit-tested); NewGame shuffles buildSeats
  with the game seed before create.
- e2e: pin a seed that keeps the roster order so the lock assertions stay
  deterministic.
2026-07-07 16:20:53 +02:00
Ilia Denisov 80cc2a76e8 fix(ui): unify tie-for-lead result across lobby + game (shared victory, not a draw)
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Bring the online lobby badge and the in-game 'you won/lost' text to the
same competition ranking the hotseat seat medals use: in a 3-4 player game
a TIE for the lead is a SHARED victory for the top scorers and a placed
finish for those below — not a full draw for everyone (winner() is -1 on
any tie, so isWinner alone conflated them). An aborted game and a genuine
all-level finish stay a draw; a win by resignation (winner at a not-higher
score) is unchanged.
- result.ts: resultBadge no-winner branch ranks by final score; placeBadge
  helper; resigned seats excluded from the ranking.
- Game.svelte: resultText aligned (shared lead = won, below = lost).
2026-07-07 15:47:34 +02:00
Ilia Denisov 1e087be90a fix(offline): hotseat finished-game medals by final score (fix all-last-place on a tie)
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Reported: a hotseat game ended by 6 scoreless passes deducts each rack
(correct rule, same as online: -8/-14/-8 here), which tied two seats for
the lead. The engine's winner() returns -1 on a tie, so seatMedal read it
as a full draw and gave EVERY seat the last-place medal.

- result.ts: seatMedal now ranks by the FINAL score (competition ranking —
  a tie for the lead shares the trophy), not the single-winner flag. A
  resigned / host-excluded seat places last with no medal and does not push
  the others down.
- model.ts: Seat.resigned (offline-only); engine.resignedOf getter; the
  local source surfaces it on the game view.
- The scoreless rack deduction is unchanged (standard rules, owner-confirmed).
2026-07-07 15:37:25 +02:00
Ilia Denisov 84d0385c95 fix(offline): scope the medal treatment to hotseat only
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Per owner: a vs_ai game (one human) keeps its 'you won/lost' status text
AND its lobby medal — the hidden-status + per-seat-medal treatment applies
only to hotseat, where 2-4 local players make a single 'you' meaningless.
isLocalGameId -> game.hotseat at the three call sites (statusBlock, seat
plaque, lobby card).
2026-07-07 15:00:59 +02:00
Ilia Denisov 0ed34c7720 feat(offline): per-seat medals in local games; drop the you-won text + lobby medal
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For a local (offline) game the outcome is not always about a single
'you' (hotseat is 2-4 players), so:
- Game.svelte: a finished local game no longer shows the viewer-centric
  'you won/lost/draw' status; instead each seat plaque shows a per-seat
  place medal, left of the name (result.seatMedal — trophy for the winner,
  then places by score; a draw medals everyone).
- Lobby.svelte: a local game shows no lobby medal (resultBadge is
  viewer-centric and no seat matches the account) — its result lives on
  the in-game plaques.
- result.ts: seatMedal(game, seat), unit-tested.
2026-07-07 14:54:44 +02:00
Ilia Denisov 52d0c559f9 fix(ui): local-game history (hide social, keep dictionary); Enter dismisses keyboard; email-code autosubmit
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- History drawer in a local (offline) game: the seat plaques no longer
  show the add-friend/block controls — canAddFriend/canBlock now exclude a
  local game (hotseat seats have synthetic account ids that slipped past
  the vs_ai-only guard) — and the Dictionary entry is restored: an active
  hotseat game keeps the comms button, and CommsHub is Dictionary-only for
  a chatless vs_ai OR hotseat game (ChatScreen never mounts offline).
- Enter on any single-line <input> now dismisses the soft keyboard (blur);
  a <textarea> (feedback) keeps Enter for newlines. One global handler.
- Login email code: the friend-code spread-digit style (.codein), a
  6-char cap, auto-submit on the 6th digit, and Enter to submit.
- e2e: the local-game history has no social controls and keeps the
  dictionary entry.
2026-07-07 14:45:53 +02:00
Ilia Denisov beda6ccd3d fix(ui): iOS soft-keyboard shell alignment + hotseat relock on return
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iOS Safari/WKWebView does not shrink the layout viewport for the soft
keyboard (Android Chrome does): the visual viewport shrinks AND offsets
down toward the focused field, and the values do not cleanly revert. The
pinned shell tracked only the height (--vvh), not the offset, so its
top-anchored content misaligned on iOS — empty space below the form,
worst on a repeat focus. Fix (one place; covers NewGame, Chat, Feedback):
- app.svelte.ts syncViewport: also mirror visualViewport.offsetTop into
  --vv-top, and scroll the focused field into view on the keyboard-open
  transition (iOS does not reliably scroll a pinned document to it).
- app.css: the pinned app-shell body follows top=--vv-top + height=--vvh
  (was inset:0), so it stays on the visible area.
- e2e/viewport.spec.ts emulates the visual-viewport resize+offset (a fake
  window.visualViewport) to verify the shell follows, on Chromium+WebKit.

Hotseat: returning to the lobby now re-locks the current seat (its PIN is
re-prompted) — LocalSource.relock, cleared in Game.svelte onDestroy.
Root-caused a crash it exposed: a $props() value (id) reads back undefined
during Svelte teardown, so isLocalGameId(id) threw and aborted onDestroy
(breaking navigation) — read the id from the loaded view instead.
2026-07-07 14:10:57 +02:00
Ilia Denisov c1ac77bc6a fix(offline): unify NewGame layout to natural-flow + PinPad verdict pause
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- NewGame: all three forms (quick / friends / hotseat) now use the
  Profile sub-view's natural-flow .page (no forced height, no pinned-CTA
  .grow/.fg scroll), so the screen's single .content scroll + --vvh handle
  overflow and a focused name input scrolls into view cleanly — fixes the
  keyboard blank-space / deep-scroll regression. One layout rule, one place.
- PinPad: pause 250ms after the 4th digit before the verdict, so the fill
  (and the shake on a wrong PIN) reads as a deliberate response.
- e2e: typePin waits for empty dots before typing (robust to the pause).
2026-07-07 13:19:22 +02:00
Ilia Denisov cafe67e9c8 fix(offline): hotseat form — natural scroll + focus-into-view (keyboard)
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The nested scroll region regressed the keyboard behaviour (a double
scroll: the whole screen scrolled with a huge blank area under the Start
button, and a focused bottom row hid behind the keyboard). Drop it: the
hotseat form now flows naturally and scrolls with the screen's own scroll
(.page.scrollform: no forced full height, no pinned button), and a name
input scrolls itself into view (centred above the keyboard) on focus.
2026-07-07 12:54:57 +02:00
Ilia Denisov 3adc4e32c9 fix(offline): hotseat review fixes + PWA stale-shell (SW route order)
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Owner review of the pass-and-play PR:
- Roster delete (bug): a correct host PIN now ARMS a delete cross next to
  the row (mirroring the lobby delete) instead of removing it silently;
  tapping the kebab again clears the host authorisation.
- Variant picker (UX): replace the dropdown with the Quick-Match variant
  plaques + the multiple-words toggle, one-to-one.
- Keyboard layout (UX): the roster sits in a scroll region with the Start
  button pinned (friends-form pattern), so a name input's soft keyboard
  shrinks the region instead of leaving a full-height blank spacer painted
  behind the keyboard.
- e2e: variant via plaque + a row-delete (arm then cross) regression step.

PWA stale-version (pre-existing, same PR):
- sw.ts: register the network-first NavigationRoute BEFORE precacheAndRoute.
  Workbox matches in registration order and the precache route (directoryIndex
  index.html) shadowed the shell navigation, serving it cache-first — the old
  build's __APP_VERSION__ until a second load. Fixes both the maintenance
  self-reload and a cold open after a deploy. Doc updated (ARCHITECTURE).
2026-07-07 12:35:33 +02:00
Ilia Denisov 903de7d41d fix(offline): unlock finished hotseat games + raise entry budget to 120
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- source: a finished hotseat game is never locked (its final rack is
  shown for review, not an Unlock button); guard locked on !isOver.
- bundle-size: raise the app-entry budget 115 -> 120 KB for the hotseat
  UI (PIN pad, roster, host menu), which lives in the always-loaded New
  Game / Game / Lobby screens; the offline engine + PIN hashing stay lazy.
2026-07-07 12:04:46 +02:00
Ilia Denisov 66278e34b7 test(offline): e2e hotseat flow + fix $state-proxy persist
Add the Playwright mock e2e for offline pass-and-play (Chromium+WebKit):
create a 2-seat hotseat with a PIN-locked seat, verify the rack is
withheld, unlock (wrong then right PIN), host-skip the current turn, and
terminate from the lobby behind the master PIN.

The e2e surfaced a persistence bug: the roster PINs are $state proxies,
which fail structured-clone on the IndexedDB put (silently — best-effort
store), so a created hotseat game vanished on reload. Snapshot the seats
+ host PIN to plain objects at the create() call site.
2026-07-07 11:53:50 +02:00
Ilia Denisov 452a686e07 feat(offline): hotseat lobby delete behind the master PIN
Lobby.svelte: hotseat games show the kebab / swipe delete in BOTH the
active and finished groups (not finished-only); deleting one opens a
master-PIN pad first — active = terminate (no result), finished = remove
— so the last mover cannot instantly wipe a game. Local games stay
deletable offline. Non-hotseat games are unchanged (finished-only, free).
2026-07-07 11:43:02 +02:00
Ilia Denisov 4ddc690c38 feat(offline): hotseat in-game seat lock + host menu
Game.svelte drives a hotseat game:
- the seat-to-move's rack is replaced by an Unlock button when the seat
  is PIN-locked (board stays visible); canMove gates the move controls
  on the unlock; PinPad(verify) -> source.unlockSeat reveals it.
- the hint slot becomes a host button (hints off in hotseat), always
  enabled while the game runs (acts on a locked seat too). Master-PIN ->
  action sheet: skip current / exclude a player / end the game, each with
  a confirm + a fading check; terminate deletes and returns to the lobby.
- per-turn advance re-fetches the next seat's (locked) state; self-resign
  and chat are hidden (hotseat resign is a host action, no comms).
- gamesource: expose unlockSeat / verifyHostPin / hostAction on the local
  proxy. i18n hotseat.* (en + ru).
2026-07-07 11:39:43 +02:00
Ilia Denisov 6216359c6f feat(offline): hotseat creation roster + host-participate flow
NewGame offline 'with friends' now builds a local pass-and-play game:
- lib/roster.ts: keep-last-valid name + roster->seats (unit-tested).
- NewGame.svelte: master host-PIN gate (rows disabled until set),
  'are you playing too?' prompt seating the host at row 0, 2-4 player
  rows with inline name validation + optional per-seat PIN, add/remove
  (remove behind the master PIN), variant + multiple-words, Start.
- PinPad: verification via a verify(pin) callback (UI-held lock at
  creation, source-held in-game) instead of a lock prop.
- i18n: hotseat.* (en + ru); the offline mode selector is now shown offline.
2026-07-07 11:28:17 +02:00
Ilia Denisov 8c67d679d9 feat(offline): hotseat record schema + source (locks, host actions)
Extend the local game to offline pass-and-play (hotseat):
- serialize.ts: Seat.pin, record hotseat + hostPin (all optional; old
  vs_ai records read hotseat as false).
- source.ts: create() takes hotseat/hostPin + per-seat pins; stateView
  reveals the seat-to-move's rack and withholds it (locked) when that
  seat is PIN-locked, until unlockSeat; ephemeral per-turn unlock
  re-locks on advance; new unlockSeat / verifyHostPin / hostAction
  (skip/resign/terminate); gameView sets vsAi=!hotseat + the hotseat flag.
- model.ts: GameView.hotseat, StateView.locked (offline-only, optional).

Tests: source.hotseat (lock/unlock/re-lock, host skip/resign/terminate,
master-PIN gate, natural-end persistence) + serialize hotseat shape.
2026-07-07 11:20:39 +02:00
Ilia Denisov 69673e7727 feat(offline): PIN lock primitives + Apple-style keypad
Groundwork for offline pass-and-play (hotseat) seat/host PIN locks:
- lib/pin.ts: salted SHA-256 PinLock (newSalt/hashPin/newLock/verifyPin);
  a social lock for a shared device (documented, not cryptography).
- components/PinPad.svelte: 4-digit keypad (set/verify/change), auto-submit
  on the 4th digit, shake on mismatch, hardware-keyboard support.
- i18n: pin.* keys (en + ru).

Engine/source/UI wiring follows.
2026-07-07 11:11:13 +02:00
Ilia Denisov 16cd3d0411 fix(router): update route rune synchronously in navigate()
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navigate() wrote location.hash and left router.route to the asynchronous
hashchange event. bootstrap flips app.ready in the same tick right after
navigate('/login') on an unauthenticated cold start, so for one frame the app
rendered with app.ready=true and the stale route ('lobby', from the empty hash)
— briefly mounting the lobby shell (tab bar + a doomed games.list) under the new
login screen before hashchange settled it.

Update router.route synchronously inside navigate(); the later hashchange
re-parses to the same value. This removes the boot lobby-flash (and its spurious
games.list 401) and, as the root cause, the offline e2e flake: enterLobby could
latch that transient lobby tab-bar instead of clicking through login, then the
Settings-tab click at line 44 fought the tab detaching into the login slide
(~7% of runs, both engines).

Also:
- offline.spec enterLobby: wait for the guest button and click it, instead of a
  point-in-time count() that a pre-login splash frame sampled as 0 (skipping the
  click and hanging / latching the transient).
- New e2e router.spec pins the synchronous-route property (RED on the old code,
  which returned the previous route; GREEN now) via a mock-only __router seam.

Verify: check 0 / unit 490 / build / bundle 114.3/115 / full e2e 200 / the
offline+router stress at 40x on both engines 160/160 (was 6/80 failing).
2026-07-07 01:44:16 +02:00
Ilia Denisov 53311cbc95 fix(hint): arm the vs_ai idle-gate from the warm cache so the lock shows without a delay
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Entering a vs_ai game from the lobby armed the idle-hint countdown only in load() (after
the gameState round-trip), so the lock popped in after a visible delay. Arm it on the
instant warm-cache render in onMount too — the preloadGames-warmed StateView carries
hint_unlock_left_seconds; load() then refreshes the snapshot. A first move (0 seconds
left) stays open.
2026-07-07 00:59:06 +02:00
Ilia Denisov 7fc1301b31 feat(hint): unify the vs_ai idle hint online + offline (server-enforced, monotonic)
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Online vs_ai hints were broken: #207 made the vs_ai hint button always-enabled and
wallet-free (assuming all vs_ai = the offline idle-gate), but the backend still served
online vs_ai from the allowance/wallet, so over-clicking hit ErrNoHintsLeft -> a generic
error toast. Now online vs_ai uses the SAME idle-gate model as offline.

Backend: Hint() for a vs_ai game skips the allowance/wallet and increments no hints_used
(owner: vs_ai counts toward no hint statistic), and is idle-gated from the SERVER clock --
it returns ErrHintLocked (code hint_locked) until the robot's last move + 30 min, else
serves the top move. GameState/StateView expose hint_unlock_left_seconds (server-computed
seconds remaining; 0 for a human game / first move / not-your-turn). Pure helper
hintUnlockLeftSeconds unit-tested.

Wire: StateView gains hint_unlock_left_seconds (FlatBuffers, additive); pkg/wire + gateway
transcode carry it (round-trip test).

Client: the gate counts down from a MONOTONIC clock (performance.now()) anchored to the
source's seconds-left when it lands (on load from the view; to the full window when the
robot moves), so a client clock change cannot skew it and a relaunch re-reads a fresh
value. The vs_ai hint button (online + offline) shows the lock + toast; doHint handles the
hint_locked backstop by re-syncing. Replaces #207's absolute hintUnlockAtMs on the
wire/model/delta (the offline record keeps the absolute for persistence; the view exposes
seconds-left).

Docs FUNCTIONAL(+_ru)/ARCHITECTURE updated. Verified: go build/vet + game/server/transcode
tests (+ new hintUnlockLeftSeconds); ui check 0 / unit 490 / e2e 198 (one pre-existing
webkit offline flake) / app entry 114.2/115.
2026-07-07 00:42:43 +02:00
Ilia Denisov 537a265409 Merge branch 'development' into feature/offline-hint-gate
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# Conflicts:
#	ui/src/lib/localgame/source.ts
2026-07-06 23:23:12 +02:00
Ilia Denisov 359af83c34 fix(offline): zero tile weights on cold boot + wrong-mode game in the lobby
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Two pre-existing offline bugs, both exposed once offline mode became usable (cold boot +
toggling), owner-reported on the contour.

Bug 1 -- offline tiles render weight 0. The rack/board read tile values from the
lib/alphabet cache, populated only by the online wire codec (server-sent alphabet) or the
mock (so the e2e masked it). A local game never goes through the codec, so on a cold
offline boot with no prior online session the cache was empty and every value read 0
(scores stayed correct -- they come from the offline ruleset). Fix: the local source
seeds lib/alphabet from the static offline ruleset (letters + values) when it builds a
game view.

Bug 2 -- the lobby showed (and could open) the other mode's game after a toggle. Two
causes: (a) the lobby cache was not mode-tagged, so getLobby() instant-rendered the last
snapshot regardless of mode; (b) load() wrote the module list after an await with no
generation guard, so a slow online gamesList() finishing after a fast offline list() (or
vice versa) left the wrong mode's games on screen. Fix: tag the snapshot with offline and
gate getLobby() on it; add a load-sequence guard so only the latest load() writes.

- localgame/source.ts: ensureAlphabet from the ruleset in gameView (+ unit test).
- lobbycache.ts: LobbySnapshot.offline + getLobby(offline) mode check (+ tests).
- Lobby.svelte: setLobby tags the mode; load() carries a generation guard.

check 0 / unit 485 / e2e 198 / app entry 113.8/114.
2026-07-06 23:11:17 +02:00
Ilia Denisov ff486c80f8 feat(hint): persist the vs_ai idle-hint wait (wall-clock + read sanitiser)
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Per the owner's call, the idle-hint gate now PERSISTS across leaving and reopening the
app, instead of the session-scoped monotonic clock: the unlock is a wall-clock instant
(hintUnlockAtMs) stamped from the robot's reply, stored on the local record, carried on
the game view + the opponent_moved move delta, and read through a sanitiser that caps it
at now + the window. So:
- the wait survives a relaunch (a stuck turn is not forgotten);
- a device clock set BACK cannot freeze the gate (the cap bounds the remaining to the
  window and self-heals on the next read);
- a clock set FORWARD just opens the hint early -- accepted as harmless for a solo game.

- lib/hints.ts hintGateRemainingMs now takes the unlock instant + clamps to the window.
- localgame: re-add hintUnlockAtMs to the record/meta; stamp it off the robot's reply;
  sanitise on read (a shared hintUnlock helper feeds stateView + the opponent_moved event).
- gamedelta + PushEvent: the move delta carries hintUnlockAtMs so the view stays fresh.
- Game.svelte: hintUnlockAt derives from the view; the tick + lock + toast unchanged.
- offline.spec.ts: also assert the lock survives a reload (the wait persisted).
- Docs FUNCTIONAL(+_ru)/ARCHITECTURE updated (persist + sanitiser, not monotonic-resets).
2026-07-06 22:34:50 +02:00
Ilia Denisov 42a6308261 feat(hint): idle-gated wallet-free vs_ai hint on a monotonic clock (B4)
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A vs_ai hint is now unlimited and wallet-free, but idle-gated as an anti-frustration
aid: it unlocks only after the player has been stuck ~30 min on a turn (timed from the
robot's last move; the human's first move, before the robot has played, is exempt).
While gated the hint button carries a small lock badge and a tap shows the remaining
minutes ('Available in N min.'); the lock lifts live at the mark.

The gate is enforced CLIENT-SIDE against a MONOTONIC clock (performance.now()), never a
wall-clock timestamp: a device clock the player controls (or an auto-sync) must not be
able to open or freeze it. The wait is therefore session-scoped -- a reload restarts it
(there is no tamper-proof way to carry idle time across a relaunch without a wall clock).
An online vs_ai game will gate the same way but from the server's clock (a follow-up).

- lib/hints.ts: HINT_GATE_MS + pure hintGateRemainingMs (monotonic) + hintLockMinutes;
  removed the wall-clock hintRemainingMs. Unit-tested red->green.
- Game.svelte: the monotonic gate (hintGateStart/monoNow, armed on the turn change), a
  vs_ai hint button (plain: no confirm, no count; lock badge + gated tap -> toast), a
  live 10s tick.
- localgame: removed the wall-clock hint gate and the now-dead robotLastMoveAtUnix field
  from source.ts/serialize.ts (the client is authoritative); hint() just serves the top
  move.
- i18n game.hintLockedIn.
- offline.spec.ts: assert the first move is un-gated and the lock arms after the robot moves.
- Docs FUNCTIONAL(+_ru) + ARCHITECTURE; bundle budget 114->115 (game-screen feature).
2026-07-06 22:03:27 +02:00