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fix(mobile): scale keyboard lift by measured 0.52 (plugin over-reports ~2x)

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Measured from device screenshot: composer at ~678pt from bottom vs 351pt keyboard = 2x overshoot.
Scale the reported height by 0.52 so the composer sits flush on the keyboard. Single tunable const.
Build marker -> 2026-07-18-batch103.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Sravan
2026-07-18 01:19:49 +05:30
parent 77a3ad455f
commit c5489d7ad6
1 changed files with 5 additions and 2 deletions
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server/public/home.html
+5 -2
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@@ -1112,7 +1112,7 @@
</head> </head>
<body> <body>
<script src="/icons.js?v=6"></script> <script src="/icons.js?v=6"></script>
<script>window.__BUILD='2026-07-18-batch102';console.log('%cBiz Connect','color:#1F3B73;font-weight:bold','build '+window.__BUILD); <script>window.__BUILD='2026-07-18-batch103';console.log('%cBiz Connect','color:#1F3B73;font-weight:bold','build '+window.__BUILD);
// Emoji are rendered with the OS's own (colour) emoji font — instant, zero network. // Emoji are rendered with the OS's own (colour) emoji font — instant, zero network.
// //
// We used to run Twemoji over every emoji, which swapped each one for an <img> pulled INDIVIDUALLY from // We used to run Twemoji over every emoji, which swapped each one for an <img> pulled INDIVIDUALLY from
@@ -1131,7 +1131,10 @@ function twemojify(_el){ /* native emoji: nothing to do */ }</script>
// The plugin reports that height in DEVICE PIXELS on some builds, but CSS wants points — so a raw value // The plugin reports that height in DEVICE PIXELS on some builds, but CSS wants points — so a raw value
// bigger than the screen's point height is divided by devicePixelRatio. This normalization makes it land // bigger than the screen's point height is divided by devicePixelRatio. This normalization makes it land
// exactly on the keyboard regardless of unit. // exactly on the keyboard regardless of unit.
function bzKbHeight(raw){ raw=raw||0; var dpr=window.devicePixelRatio||1; return Math.round(raw > window.innerHeight ? raw/dpr : raw); } // Measured on-device: the plugin's reported height puts the composer ~2x too high, so scale it. This is
// a single tunable number — if the composer isn't flush on the keyboard, nudge KB_FACTOR up/down.
var KB_FACTOR=0.52;
function bzKbHeight(raw){ raw=raw||0; var dpr=window.devicePixelRatio||1; var norm = raw > window.innerHeight ? raw/dpr : raw; return Math.round(norm*KB_FACTOR); }
var KB=C.Plugins&&C.Plugins.Keyboard; var KB=C.Plugins&&C.Plugins.Keyboard;
if(KB && KB.addListener){ if(KB && KB.addListener){
KB.addListener('keyboardWillShow', function(info){ var h=bzKbHeight(info&&info.keyboardHeight); r.style.setProperty('--kb', h+'px'); document.body.classList.add('kb-open'); var b=document.getElementById('msgs'); if(b) requestAnimationFrame(function(){ b.scrollTop=b.scrollHeight; }); }); KB.addListener('keyboardWillShow', function(info){ var h=bzKbHeight(info&&info.keyboardHeight); r.style.setProperty('--kb', h+'px'); document.body.classList.add('kb-open'); var b=document.getElementById('msgs'); if(b) requestAnimationFrame(function(){ b.scrollTop=b.scrollHeight; }); });