Retire l'ecran de chargement plein ecran au demarrage (splash, CSS de masquage, script de pilotage)

frontend/index.html

@@ -47,33 +47,6 @@
             href="/static/icons/icon-192x192.svg"
         />
 
-        <!-- Boot splash CSS — inline so it applies BEFORE /static/style.css is
-             available (desktop: embedded page served from tauri:// has no /static) -->
-        <style id="boot-splash-css">
-            body:not(.app-booted) > *:not(#boot-splash) { display: none !important; }
-            #boot-splash {
-                position: fixed; inset: 0; z-index: 2147483647;
-                display: flex; align-items: center; justify-content: center;
-                background: radial-gradient(1200px 600px at 50% -10%, #26272b 0%, #17181a 60%);
-                color: #eceeeb; font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
-            }
-            body.app-booted #boot-splash { display: none; }
-            .bs-card { display: flex; flex-direction: column; align-items: center; gap: 14px; }
-            .bs-logo {
-                width: 72px; height: 72px; display: flex; align-items: center; justify-content: center;
-                font-size: 38px; background: #1f2023; border: 1px solid #33353a; border-radius: 18px;
-                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
-            }
-            .bs-title { font-size: 22px; font-weight: 600; letter-spacing: 0.3px; }
-            .bs-spinner {
-                width: 34px; height: 34px; border-radius: 50%;
-                border: 3px solid rgba(124, 58, 237, 0.25); border-top-color: #7c3aed;
-                animation: bs-spin 0.9s linear infinite;
-            }
-            @keyframes bs-spin { to { transform: rotate(360deg); } }
-            .bs-status { font-size: 13px; color: #9aa3b2; min-height: 18px; }
-            @media (prefers-reduced-motion: reduce) { .bs-spinner { animation-duration: 1.8s; } }
-        </style>
         <link rel="stylesheet" href="/static/style.css" />
         <link rel="stylesheet" href="/static/draco-barre.css" />
         <link rel="stylesheet" href="/static/draco-alertes.css" />
@@ -89,7 +62,7 @@
             id="hljs-theme-light"
             disabled
         />
-        <!-- defer: ne bloque pas le premier paint (le splash inline s'affiche immédiatement) -->
+        <!-- defer: ne bloque pas le premier paint -->
         <script defer src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
         <!-- Langues highlight.js hors bundle "common" (enregistrement auto apres le core) -->
         <script defer src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/languages/dockerfile.min.js"></script>
@@ -226,44 +199,6 @@
         </script>
     </head>
     <body class="has-draco-bar">
-        <!-- Boot splash : visible tant que l'app n'a pas booté avec son CSS.
-             Sur desktop, la page embarquée (tauri://) n'a pas /static/style.css →
-             sans ce splash, le squelette HTML brut serait visible pendant le
-             démarrage du backend (FOUC 3-10 s). Styles 100% inline. -->
-        <div id="boot-splash" role="status" aria-live="polite">
-            <div class="bs-card">
-                <div class="bs-logo">📖</div>
-                <div class="bs-title">ObsiGate</div>
-                <div class="bs-spinner" aria-hidden="true"></div>
-                <div class="bs-status" id="boot-splash-status">Démarrage…</div>
-            </div>
-        </div>
-        <script>
-            (function () {
-                var done = false;
-                function bootReady() {
-                    if (done) return;
-                    done = true;
-                    document.body.classList.add("app-booted");
-                    var s = document.getElementById("boot-splash");
-                    if (s && s.parentNode) s.parentNode.removeChild(s);
-                }
-                window.__obsigateBootReady = bootReady;
-                window.__setBootStatus = function (txt) {
-                    var el = document.getElementById("boot-splash-status");
-                    if (el) el.textContent = txt;
-                };
-                var poll = setInterval(function () {
-                    if (window.__OBSIGATE_BOOTED) { clearInterval(poll); bootReady(); }
-                }, 80);
-                // Filet de sécurité : si le CSS principal a chargé (origine backend réelle)
-                // mais que le JS a échoué, révéler l'app après 10 s au lieu d'un splash infini.
-                setTimeout(function () {
-                    var link = document.querySelector('link[href*="style.css"]');
-                    if (link && link.sheet) { clearInterval(poll); bootReady(); }
-                }, 10000);
-            })();
-        </script>
         <div class="search-progress-bar" id="search-progress-bar">
             <div class="search-progress-bar__fill"></div>
         </div>