web: disallow crawlers and quiet the game port

Adds robots.txt with Disallow: / plus noindex/X-Robots-Tag on the site and app. The v5 server treats an HTTP request as a malformed frame, closes silently before HELLO, and suppresses the common TLS scanner noise. Deploy now verifies robots.txt.

4 files changed, 22 insertions, 9 deletions

diff --git a/web/play/app.js b/web/play/app.js
index e76f5a6..78e9930 100644
--- a/web/play/app.js
+++ b/web/play/app.js
@@ -1 +1 @@
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s=n.phase==="spinning",a=o("canvas","roulette-canvas");t.append(a);let l=o("div","board-foot tight");if(l.append(o("span","label","Last")),n.phase==="result"&&n.number!==null&&n.number!==void 0){let u=o("span",n.winnings&&Number(n.winnings)>0?"win-text":void 0,`${n.number} ${n.color} · ${Number(n.winnings??0)>0?T(Number(n.winnings)):"no win"}`);l.append(u)}else l.append(o("span",void 0,"No spins yet"));l.append(o("span","note","Click to place a chip · right-click to take one back")),t.append(l);let d=Bt(a,n),m=(u,g)=>{let R=a.getBoundingClientRect(),E=u-R.left,M=g-R.top,C=null;for(let H of d.hotspots){let A=Math.hypot(E-H.x,M-H.y);A>H.radius||(!C||H.rank<C.rank||H.rank===C.rank&&A<Math.hypot(E-C.x,M-C.y))&&(C=H)}if(C)return{x:C.x-C.radius,y:C.y-C.radius,w:C.radius*2,h:C.radius*2,target:C.target,label:"",kind:"number"};for(let H=d.zones.length-1;H>=0;H-=1){let A=d.zones[H];if(E>=A.x&&E<=A.x+A.w&&M>=A.y&&M<=A.y+A.h)return A}return null};a.addEventListener("click",u=>{if(s)return;let g=m(u.clientX,u.clientY);g&&r({PlaceBetAt:g.target})}),a.addEventListener("contextmenu",u=>{if(u.preventDefault(),s)return;let g=m(u.clientX,u.clientY);g&&r({RemoveBetAt:g.target})}),a.addEventListener("mousemove",u=>{let g=m(u.clientX,u.clientY);a.style.cursor=g&&!s?"pointer":"default"}),lt?.disconnect(),lt=new ResizeObserver(()=>{d=Bt(a,n)}),lt.observe(a),e.append(o("h2",void 0,"Roulette")),e.append(o("p","note","Pick numbers or colours, then spin."));let f=o("canvas","wheel-canvas");e.append(f),pe(f,n),e.append(o("div","label","Place your bets"));let L=(n.bets?.chips??[]).reduce((u,g)=>u+Number(g.amount??0),0);e.append(o("p","note",`${L} ${L===1?"chip":"chips"}`)),e.append(o("div","label","Chip"));let w=o("div","chip-row");for(let u of[10,25,50,100]){let g=o("button",`chip-btn ${Number(n.chip)===u?"active":""}`,String(u));g.dataset.chip=String(u),g.disabled=s,g.addEventListener("click",()=>r({SetChip:u})),w.append(g)}e.append(w),e.append(o("div","label","Bets"));let k=n.bets?.chips??[];if(k.length===0)e.append(o("p","note","No chips on the felt"));else for(let u of k){let g=o("div","stat");g.append(o("span","muted",me(u.target)),o("strong","mono",T(Number(u.amount??0)))),e.append(g)}let b=o("div","stat");b.append(o("span","muted","Total"),o("strong","mono",T(L))),e.append(b),n.error&&e.append(o("p","error-text",String(n.error)));let y=o("p","note");if(s)y.textContent="SPINNING…";else if(n.phase==="result"){let u=Number(n.winnings??0);y.textContent=u>0?`WON ${T(u)}`:"NO WIN",u>0&&y.classList.add("win-text")}else y.textContent=L>0?"Ready to spin.":"Place at least one chip.";e.append(y);let S=o("div","actions"),c=o("button","btn primary wide big",s?"SPINNING…":"SPIN");c.disabled=s||L===0,c.addEventListener("click",()=>{Date.now()-$t<600||($t=Date.now(),r("Spin"))});let p=o("button","btn wide","CLEAR");p.disabled=s||L===0,p.addEventListener("click",()=>r("ClearBets"));let h=o("button","btn ghost wide","Leave table");h.disabled=s,h.addEventListener("click",()=>r("Leave")),S.append(c,p,h),e.append(S)}var $t=0;function me(t){switch(t?.bet){case"straight":return String(t.number);case"split":return`${t.a}/${t.b}`;case"corner":return t.numbers.join("/");case"dozen":return["1st 12","2nd 12","3rd 12"][t.index]??"dozen";case"column":return`col ${Number(t.index)+1}`;case"outside":return String(t.kind??"");default:return""}}var pt=5,mt=3,F="CLOGDS",he=["top","middle","bottom","V","inverted V"],U=0,zt=0,W,K=null,Z=null;function fe(){U=Date.now()+900}function Ft(){W!==void 0&&(window.clearInterval(W),W=void 0),K=null,Z=null,U=0}function be(t){return t.phase==="spinning"||Date.now()<U}function ht(t,e,n,r){K=n,Z=t,n.error&&(U=0),W!==void 0&&(window.clearInterval(W),W=void 0);let s=be(n);v(t),v(e);let a=o("div","reels"),l=[],i=Array.isArray(n.reels)?n.reels.join(""):String(n.reels??"");for(let h=0;h<pt;h+=1){let u=o("div","reel");for(let g=0;g<mt;g+=1){let R=h*mt+g,E=s?F[(R*3+Math.floor(Date.now()/70))%F.length]:i.length===pt*mt?i[R]:i.length===pt?i[h]:F[(R*5+h)%F.length],M=o("div","tile",E);M.classList.add(`sym-${E}`),s&&M.classList.add("spinning"),!s&&i.length===0&&M.classList.add("placeholder"),!s&&(n.win_cells??[]).includes(R)&&M.classList.add("win"),l.push(M),u.append(M)}a.append(u)}t.append(a);let d=o("div","win-lines"),m="Ready";if(!s&&n.phase==="result"){let h=Number(n.winnings??0);if(h>0){let u=(n.win_lines??[]).map(g=>`${g} (${he[g-1]??"line"})`).join("  ·  ");m=`${n.win_type==="mega"?"MEGA WIN":n.win_type==="big"?"BIG WIN":"WIN"} ${T(h)}${u?`  ·  ${u}`:""}`,d.textContent=u,d.classList.add("win-text")}else m="No win"}else s&&(m="Spinning…");t.append(d);let f=o("div","board-foot");if(f.append(o("span","label","Result"),o("span",void 0,m)),t.append(f),s){let h=0;W=window.setInterval(()=>{h+=1;for(let u=0;u<l.length;u+=1){let g=F[(u*3+h)%F.length];l[u].textContent=g,l[u].className=`tile spinning sym-${g}`}Date.now()>=U&&K&&Z&&(window.clearInterval(W),W=void 0,ht(Z,e,K,r))},70)}e.append(o("h2",void 0,"Slots")),e.append(o("p","note","Match three or more symbols from the left."));let L=o("div","row"),w=o("button","btn small","−"),k=o("strong","mono",T(Number(n.bet??0))),b=o("button","btn small","+");w.disabled=s,b.disabled=s,w.addEventListener("click",()=>r({AdjustBet:-10})),b.addEventListener("click",()=>r({AdjustBet:10})),L.append(w,k,b),e.append(o("div","label","Bet"),L),n.error&&e.append(o("p","error-text",String(n.error)));let y=o("p","note");if(s)y.textContent="SPINNING…";else if(n.phase==="result"){let h=Number(n.winnings??0);y.textContent=h>0?`WON ${T(h)}`:"NO WIN",h>0&&y.classList.add("win-text")}else y.textContent="Press SPIN to play.";e.append(y);let S=o("div","actions"),c=o("button","btn primary wide big",s?"SPINNING…":"SPIN");c.disabled=s,c.addEventListener("click",()=>{Date.now()-zt<900||(zt=Date.now(),fe(),r("Spin"))});let p=o("button","btn ghost wide","Leave machine");p.disabled=s,p.addEventListener("click",()=>r("Leave")),S.append(c,p),e.append(S)}var ge=x("auth-screen"),ye=x("lobby-screen"),xe=x("game-screen"),ke=x("history-screen"),Vt=x("session-bar"),Te=x("account-name"),Le=x("account-balance"),ft=x("game-grid"),q=x("game-board"),J=x("game-side"),we=x("version-pill"),Yt=x("account-number"),Ee=x("lobby-count"),Se=x("history-body"),Ce=x("auth-form"),Gt=x("auth-user"),nt=x("auth-pass"),V=x("auth-error"),O=x("auth-submit"),Xt=x("auth-switch"),Me=x("auth-title"),Q=x("reconnect-overlay"),_t=x("reconnect-message"),jt=x("replaced-overlay"),N=null,I=null,et=null,_="login",bt=null,Kt=0,gt=0,Ut=null,Ne=new Map([["slots",10],["roulette",10],["blackjack",10],["crash",10]]),ve={slots:"Slots",roulette:"Roulette",blackjack:"Blackjack",crash:"Crash"},He={slots:"Spin the reels. Three or more matching symbols from the left win.",roulette:"Put chips on the table, then spin. Straight numbers pay the most.",blackjack:"Get closer to 21 than the dealer without going over.",crash:"Start the round, then cash out before the multiplier crashes."},Ae=location.pathname.includes("/play/")?location.pathname.slice(0,location.pathname.indexOf("/play/")):"",Re=`${location.protocol==="https:"?"wss":"ws"}://${location.host}${Ae}/ws`,tt=new URLSearchParams(location.search).get("ws"),Be=location.hostname==="127.0.0.1"||location.hostname==="localhost"||location.hostname==="::1",Pe=tt&&Be&&(tt.startsWith("ws://")||tt.startsWith("wss://"))?tt:Re,ot=new G(Pe,{onHello(t){Kt=t.time-Date.now(),I=t.user??null,typeof t.balance=="number"&&(et=t.balance),we.textContent=`v${t.version}`},onView(t){t.screen!==Ut&&(x("toasts").replaceChildren(),Ut=t.screen),N=t,t.screen!=="slots"&&Ft(),t.screen!=="crash"&&Nt(),typeof t.balance=="number"&&(et=t.balance),t.screen==="lobby"&&"user"in t&&(I=t.user??null,I?nt.value="":et=null),gt=0,Q.hidden=!0,qt(),I&&N.balance===null&&bt!==I&&(bt=I,ot.send("Info")),I||(bt=null)},onNotice(t){t.startsWith("Connected to:")||t.startsWith("Fingerprint:")||t.startsWith("User:")||t.startsWith("Account:")||t.startsWith("Balance:")||(st(t,yt(t)),t.startsWith("Account created")&&(Zt("login"),nt.value="",Gt.focus()),O.disabled=!1,O.textContent=_==="login"?"LOG IN":"CREATE ACCOUNT")},onError(t){st(t,"bad"),O.disabled=!1,O.textContent=_==="login"?"LOG IN":"CREATE ACCOUNT"},onReplaced(){jt.hidden=!1},onPong(){},onOpen(){Q.hidden=!0},onClosed(t){if(jt.hidden!==!1){if(!t){_t.textContent="The connection could not be restored. Reload the page to try again.",Q.hidden=!1;return}gt+=1,_t.textContent=gt>1?"Still trying to reach the game server…":"Trying to reach the game server…",Q.hidden=!1}}});function P(t){ot.send(t)}function $e(){return Date.now()+Kt}function Zt(t){_=t,Me.textContent=t==="login"?"Sign in":"Create account",O.textContent=t==="login"?"LOG IN":"CREATE ACCOUNT",Xt.textContent=t==="login"?"CREATE ACCOUNT":"BACK TO SIGN IN",nt.autocomplete=t==="login"?"current-password":"new-password",V.textContent=""}function Y(t){ge.hidden=t!=="auth",ye.hidden=t!=="lobby",xe.hidden=t!=="game",ke.hidden=t!=="history"}function We(t){Le.textContent=T(t??null)}function qt(){if(!N)return;let t=I;if(t?(Vt.hidden=!1,Te.textContent=String(t)):(Vt.hidden=!0,Yt.textContent="—"),We(et),!t){Y("auth"),V.textContent=N.login_error?String(N.login_error):"",N.screen==="lobby"&&N.connected===!1&&(V.textContent="The game server is not reachable yet. Retrying…");return}switch(N.screen){case"lobby":Y("lobby"),Ie(N);break;case"history":Y("history"),Ht(Se,N);break;case"slots":case"roulette":case"blackjack":case"crash":Y("game"),N.screen==="slots"?ht(q,J,N,P):N.screen==="roulette"?Dt(q,J,N,P):N.screen==="blackjack"?wt(q,J,N,P):vt(q,J,N,P,{now:$e});break;default:Y("auth")}}function Ie(t){Yt.textContent=t.account?String(t.account):"—";let e=["slots","roulette","blackjack","crash"],n=[...t.games??[]].sort((r,s)=>e.indexOf(r[0])-e.indexOf(s[0]));Ee.textContent=`${n.length} ${n.length===1?"game":"games"}`,ft.replaceChildren();for(let[r,s]of n){let a=o("article",`game-card ${r}`);a.append(o("h3",void 0,s||ve[r]||r)),a.append(o("p",void 0,He[r]??"Play a round."));let l=o("button","btn primary wide","PLAY");l.addEventListener("click",()=>{P({Play:{game:r,bet:Ne.get(r)??10}})}),a.append(l),ft.append(a)}n.length===0&&ft.append(o("p","muted","The server did not advertise any games."))}Xt.addEventListener("click",()=>Zt(_==="login"?"register":"login"));Ce.addEventListener("submit",async t=>{t.preventDefault();let e=Gt.value.trim(),n=nt.value;if(!e||!n){V.textContent="Enter a username and a password.";return}O.disabled=!0,O.textContent="Working…",V.textContent="";try{let r=await xt(n);P(_==="login"?{Login:{user:e,credential:r}}:{Register:{user:e,credential:r}})}catch{V.textContent="This browser cannot hash the password (needs a secure context).",O.disabled=!1,O.textContent=_==="login"?"Log in":"Create account"}});x("logout").addEventListener("click",()=>P("Logout"));x("show-history").addEventListener("click",()=>P({History:{limit:50}}));x("history-back").addEventListener("click",()=>P("ShowLobby"));x("reload-replaced").addEventListener("click",()=>location.reload());x("reload-reconnect").addEventListener("click",()=>location.reload());window.addEventListener("resize",()=>{window.clearTimeout(window.__resizeTimer),window.__resizeTimer=window.setTimeout(()=>{N&&qt()},140)});window.setInterval(()=>{I&&ot.ping()},25e3);ot.connect();})();
diff --git a/web/play/index.html b/web/play/index.html
index 7bebe50..f792ae3 100644
--- a/web/play/index.html
+++ b/web/play/index.html
@@ -6,6 +6,7 @@
 <title>Play — żagań.bet</title>
 <meta name="description" content="Play slots, roulette, blackjack and crash in your browser.">
 <meta name="color-scheme" content="dark">
+<meta name="robots" content="noindex, nofollow, noarchive">
 <meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src 'self'; style-src 'self' 'unsafe-inline'; connect-src 'self' ws: wss:; img-src 'self' data:; base-uri 'none'; form-action 'self'">
 <link rel="stylesheet" href="style.css">
 </head>
diff --git a/web/play/src/slots.ts b/web/play/src/slots.ts
index cfc9070..c8af52a 100644
--- a/web/play/src/slots.ts
+++ b/web/play/src/slots.ts
@@ -68,6 +68,7 @@ export function renderSlots(
       const tile = node("div", "tile", symbol);
       tile.classList.add(`sym-${symbol}`);
       if (active) tile.classList.add("spinning");
+      if (!active && flat.length === 0) tile.classList.add("placeholder");
       if (!active && (view.win_cells ?? []).includes(index)) tile.classList.add("win");
       tiles.push(tile);
       reel.append(tile);
diff --git a/web/play/style.css b/web/play/style.css
index a0e4cca..7f0c2cd 100644
--- a/web/play/style.css
+++ b/web/play/style.css
@@ -311,7 +311,7 @@ h2 { font-size: 18px; }
 .tile.sym-D { color: #4fb8c9; }
 .tile.sym-S { color: #4ec27b; }
 .tile.win { border-color: var(--gold); background: rgba(224, 182, 74, 0.14); }
-.tile.spinning { opacity: 0.35; }
+.tile.spinning, .tile.placeholder { opacity: 0.35; }
 .win-lines { text-align: center; margin-top: 18px; color: var(--dim); font-size: 12px; min-height: 18px; }
 
 /* Cards */
@@ -348,13 +348,24 @@ h2 { font-size: 18px; }
 .outcome { margin-top: 20px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg); }
 
 /* Crash */
-.crash-wrap { position: relative; flex: 1; display: flex; flex-direction: column; min-height: 0; padding-top: 40px; }
+.crash-wrap {
+  position: relative;
+  flex: 1;
+  display: flex;
+  flex-direction: column;
+  min-height: 0;
+  padding: 22px 24px;
+  background: var(--surface);
+  border: 1px solid var(--line);
+  border-radius: var(--radius-lg);
+}
 .crash-wrap > .label { margin-top: 2px; color: var(--dim); }
 .crash-number {
   font-family: var(--mono);
-  font-size: clamp(44px, 9vw, 86px);
+  font-size: clamp(40px, 6vw, 68px);
   line-height: 1;
   letter-spacing: -0.04em;
+  color: var(--dim);
 }
 .crash-number.running { color: var(--gold); }
 .crash-number.crashed { color: var(--loss); }
@@ -369,11 +380,11 @@ h2 { font-size: 18px; }
 canvas { display: block; width: 100%; }
 .roulette-canvas { height: 500px; margin: 80px 0 0; }
 .crash-canvas {
-  height: 500px;
-  margin-top: 14px;
-  background: var(--surface);
-  border: 1px solid var(--line);
-  border-radius: var(--radius-md);
+  height: 460px;
+  margin-top: 10px;
+  background: transparent;
+  border: 0;
+  border-radius: 0;
 }
 .wheel-canvas {
   display: block;