diff --git a/Cargo.lock b/Cargo.lock
index 9b98c4bf..262722b5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4265,6 +4265,7 @@ dependencies = [
  "tokio",
  "tokio-stream",
  "tokio-util",
+ "tower 0.5.2",
  "tracing",
  "tracing-subscriber",
  "utoipa",
diff --git a/PMOMusic/src/main.rs b/PMOMusic/src/main.rs
index 4f554335..4b55a57a 100644
--- a/PMOMusic/src/main.rs
+++ b/PMOMusic/src/main.rs
@@ -137,8 +137,13 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     info!("✅ PMOMusic is ready!");
     info!("Press Ctrl+C to stop...");
 
-    // Attendre le signal Ctrl+C et l'arrêt du serveur HTTP
-    server.write().await.wait().await;
+    // Extraire le join_handle AVANT de libérer le write lock,
+    // pour pouvoir l'awaiter sans tenir le write lock du serveur global.
+    // (Tenir le write lock pendant wait() bloquerait register_device() dynamique)
+    let join_handle = server.write().await.take_join_handle();
+    if let Some(h) = join_handle {
+        let _ = h.await;
+    }
 
     // Le serveur HTTP est arrêté, mais des threads (ControlPoint, etc.) peuvent encore tourner
     // Attendre 2 secondes pour laisser le temps aux threads de se terminer
diff --git a/pmoapp/webapp/src/composables/useWebRenderer.ts b/pmoapp/webapp/src/composables/useWebRenderer.ts
new file mode 100644
index 00000000..68f52ee2
--- /dev/null
+++ b/pmoapp/webapp/src/composables/useWebRenderer.ts
@@ -0,0 +1,332 @@
+/**
+ * Composable pour gérer le WebRenderer navigateur.
+ *
+ * Se connecte automatiquement au WebSocket /api/webrenderer/ws au montage
+ * et se déconnecte proprement au démontage ou à la fermeture de la page.
+ *
+ * Le navigateur est ainsi vu comme un renderer UPnP par le ControlPoint.
+ * Un élément <audio> headless exécute les commandes de transport reçues.
+ */
+
+import { ref, onMounted, onUnmounted, readonly } from "vue";
+
+// ─── Types (miroir de messages.rs) ────────────────────────────────────────────
+
+interface BrowserCapabilities {
+    user_agent: string;
+    supported_formats: string[];
+}
+
+interface RendererInfo {
+    udn: string;
+    friendly_name: string;
+    model_name: string;
+    description_url: string;
+}
+
+type TransportAction = "play" | "pause" | "stop" | "seek" | "set_uri";
+
+interface CommandParams {
+    uri?: string;
+    metadata?: string;
+    position?: string;
+}
+
+type ServerMessage =
+    | { type: "session_created"; token: string; renderer_info: RendererInfo }
+    | { type: "command"; action: TransportAction; params?: CommandParams }
+    | { type: "set_volume"; volume: number }
+    | { type: "set_mute"; mute: boolean }
+    | { type: "ping" };
+
+type PlaybackState = "PLAYING" | "PAUSED" | "STOPPED" | "TRANSITIONING";
+
+type ClientMessage =
+    | { type: "init"; capabilities: BrowserCapabilities }
+    | { type: "state_update"; state: PlaybackState }
+    | { type: "position_update"; position: string; duration: string }
+    | { type: "volume_update"; volume: number; mute: boolean }
+    | { type: "pong" };
+
+// ─── Détection des formats supportés ─────────────────────────────────────────
+
+function getSupportedFormats(): string[] {
+    const audio = document.createElement("audio");
+    const formats: Array<[string, string]> = [
+        ["mp3", "audio/mpeg"],
+        ["flac", "audio/flac"],
+        ["ogg", "audio/ogg; codecs=vorbis"],
+        ["opus", "audio/ogg; codecs=opus"],
+        ["aac", "audio/aac"],
+        ["wav", "audio/wav"],
+        ["m4a", 'audio/mp4; codecs="mp4a.40.2"'],
+        ["webm", "audio/webm"],
+    ];
+    return formats
+        .filter(([, mime]) => audio.canPlayType(mime) !== "")
+        .map(([fmt]) => fmt);
+}
+
+// ─── Helpers ──────────────────────────────────────────────────────────────────
+
+function secondsToUpnpTime(s: number): string {
+    const h = Math.floor(s / 3600);
+    const m = Math.floor((s % 3600) / 60);
+    const sec = Math.floor(s % 60);
+    return `${h}:${String(m).padStart(2, "0")}:${String(sec).padStart(2, "0")}`;
+}
+
+function upnpTimeToSeconds(t: string): number {
+    const parts = t.split(":").map(Number);
+    if (parts.length !== 3) return 0;
+    const [h, m, s] = parts;
+    return (h ?? 0) * 3600 + (m ?? 0) * 60 + (s ?? 0);
+}
+
+// ─── Composable ───────────────────────────────────────────────────────────────
+
+export function useWebRenderer() {
+    const connected = ref(false);
+    const rendererInfo = ref<RendererInfo | null>(null);
+
+    let ws: WebSocket | null = null;
+    let audio: HTMLAudioElement | null = null;
+    let positionTimer: ReturnType<typeof setInterval> | null = null;
+    let onConnectedCallback: (() => void) | null = null;
+
+    // ── Envoi d'un message au backend ────────────────────────────────────────
+
+    function send(msg: ClientMessage) {
+        if (ws && ws.readyState === WebSocket.OPEN) {
+            ws.send(JSON.stringify(msg));
+        }
+    }
+
+    // ── Player audio headless ─────────────────────────────────────────────────
+
+    function sendPosition() {
+        if (!audio) return;
+        const pos = isFinite(audio.currentTime) ? audio.currentTime : 0;
+        const dur = isFinite(audio.duration) ? audio.duration : 0;
+        send({
+            type: "position_update",
+            position: secondsToUpnpTime(pos),
+            duration: secondsToUpnpTime(dur),
+        });
+    }
+
+    function startPositionTimer() {
+        if (positionTimer !== null) return;
+        positionTimer = setInterval(sendPosition, 1000);
+    }
+
+    function stopPositionTimer() {
+        if (positionTimer !== null) {
+            clearInterval(positionTimer);
+            positionTimer = null;
+        }
+    }
+
+    function createAudio(): HTMLAudioElement {
+        const el = new Audio();
+        el.preload = "auto";
+
+        el.addEventListener("play", () => {
+            send({ type: "state_update", state: "PLAYING" });
+            startPositionTimer();
+        });
+        el.addEventListener("pause", () => {
+            send({ type: "state_update", state: "PAUSED" });
+            stopPositionTimer();
+            sendPosition();
+        });
+        el.addEventListener("ended", () => {
+            send({ type: "state_update", state: "STOPPED" });
+            stopPositionTimer();
+        });
+        el.addEventListener("waiting", () => {
+            send({ type: "state_update", state: "TRANSITIONING" });
+        });
+        el.addEventListener("canplay", () => {
+            if (!el.paused) send({ type: "state_update", state: "PLAYING" });
+        });
+        el.addEventListener("volumechange", () => {
+            const vol = Math.round(el.volume * 100);
+            send({ type: "volume_update", volume: vol, mute: el.muted });
+        });
+        el.addEventListener("error", () => {
+            console.error("[WebRenderer] Erreur audio :", el.error);
+            send({ type: "state_update", state: "STOPPED" });
+            stopPositionTimer();
+        });
+
+        return el;
+    }
+
+    // ── Exécution des commandes UPnP ──────────────────────────────────────────
+
+    async function execCommand(action: TransportAction, params?: CommandParams) {
+        if (!audio) return;
+        console.debug(`[WebRenderer] Commande: ${action}`, params);
+
+        switch (action) {
+            case "set_uri":
+                if (params?.uri) {
+                    audio.pause();
+                    audio.src = params.uri;
+                    audio.load();
+                    send({ type: "state_update", state: "STOPPED" });
+                }
+                break;
+
+            case "play":
+                if (audio.src) {
+                    try {
+                        await audio.play();
+                    } catch (e) {
+                        console.error("[WebRenderer] play() refusé :", e);
+                    }
+                }
+                break;
+
+            case "pause":
+                audio.pause();
+                break;
+
+            case "stop":
+                audio.pause();
+                audio.currentTime = 0;
+                send({ type: "state_update", state: "STOPPED" });
+                break;
+
+            case "seek":
+                if (params?.position) {
+                    audio.currentTime = upnpTimeToSeconds(params.position);
+                }
+                break;
+        }
+    }
+
+    // ── Gestion des messages entrants ─────────────────────────────────────────
+
+    function handleMessage(event: MessageEvent) {
+        let msg: ServerMessage;
+        try {
+            msg = JSON.parse(event.data as string) as ServerMessage;
+        } catch {
+            console.warn("[WebRenderer] Message non-JSON reçu :", event.data);
+            return;
+        }
+
+        switch (msg.type) {
+            case "session_created":
+                rendererInfo.value = msg.renderer_info;
+                connected.value = true;
+                console.info(
+                    `[WebRenderer] Session créée — UDN: ${msg.renderer_info.udn}`,
+                );
+                // Notifier le parent pour qu'il rafraîchisse la liste des renderers
+                // L'événement SSE peut arriver avant que le subscriber soit prêt
+                onConnectedCallback?.();
+                break;
+
+            case "command":
+                void execCommand(msg.action, msg.params);
+                break;
+
+            case "set_volume":
+                if (audio) {
+                    audio.volume = Math.max(0, Math.min(1, msg.volume / 100));
+                }
+                break;
+
+            case "set_mute":
+                if (audio) {
+                    audio.muted = msg.mute;
+                }
+                break;
+
+            case "ping":
+                send({ type: "pong" });
+                break;
+        }
+    }
+
+    // ── Connexion ─────────────────────────────────────────────────────────────
+
+    function connect() {
+        if (ws) return;
+
+        const protocol = location.protocol === "https:" ? "wss:" : "ws:";
+        const url = `${protocol}//${location.host}/api/webrenderer/ws`;
+        console.info(`[WebRenderer] Connexion à : ${url}`);
+
+        ws = new WebSocket(url);
+
+        ws.onopen = () => {
+            console.info("[WebRenderer] WebSocket ouvert, envoi Init");
+            send({
+                type: "init",
+                capabilities: {
+                    user_agent: navigator.userAgent,
+                    supported_formats: getSupportedFormats(),
+                },
+            });
+        };
+
+        ws.onmessage = handleMessage;
+
+        ws.onclose = () => {
+            connected.value = false;
+            rendererInfo.value = null;
+            ws = null;
+            console.info("[WebRenderer] Déconnecté");
+        };
+
+        ws.onerror = (err) => {
+            console.error("[WebRenderer] Erreur WebSocket :", err);
+        };
+    }
+
+    // ── Déconnexion ───────────────────────────────────────────────────────────
+
+    function disconnect() {
+        stopPositionTimer();
+        if (audio) {
+            audio.pause();
+            audio.src = "";
+        }
+        if (ws) {
+            ws.close(1000, "Page unloaded");
+            ws = null;
+        }
+        connected.value = false;
+    }
+
+    // ── Cycle de vie ──────────────────────────────────────────────────────────
+
+    onMounted(() => {
+        audio = createAudio();
+        connect();
+        window.addEventListener("beforeunload", disconnect);
+    });
+
+    onUnmounted(() => {
+        disconnect();
+        audio = null;
+        window.removeEventListener("beforeunload", disconnect);
+    });
+
+    // ── API publique ──────────────────────────────────────────────────────────
+
+    return {
+        /** true quand la session WebRenderer est établie */
+        connected: readonly(connected),
+        /** Infos du renderer UPnP créé pour ce navigateur */
+        rendererInfo: readonly(rendererInfo),
+        /** Callback appelé quand la session est créée (pour rafraîchir la liste des renderers) */
+        onConnected(fn: () => void) {
+            onConnectedCallback = fn;
+        },
+    };
+}
diff --git a/pmoapp/webapp/src/views/UnifiedControlView.vue b/pmoapp/webapp/src/views/UnifiedControlView.vue
index 9d2ee419..75ae23af 100644
--- a/pmoapp/webapp/src/views/UnifiedControlView.vue
+++ b/pmoapp/webapp/src/views/UnifiedControlView.vue
@@ -4,6 +4,7 @@ import { useRoute, useRouter } from "vue-router";
 import { useTabs } from "@/composables/useTabs";
 import { useRenderers } from "@/composables/useRenderers";
 import { useMediaServers } from "@/composables/useMediaServers";
+import { useWebRenderer } from "@/composables/useWebRenderer";
 import { useSwipe } from "@vueuse/core";
 
 // Import des composants
@@ -21,6 +22,11 @@ const { tabs, activeTabId, switchTab, activeTab, syncWithRenderers, isEmpty } =
 const { allRenderers, fetchRenderers, getStateById } = useRenderers();
 const { allServers, fetchServers } = useMediaServers();
 
+// WebRenderer : ce navigateur s'enregistre automatiquement comme renderer UPnP
+const webRenderer = useWebRenderer();
+// Rafraîchir la liste des renderers dès que la session WebRenderer est établie
+webRenderer.onConnected(() => void fetchRenderers(true));
+
 // État des drawers
 const drawerOpen = ref(false);
 const rendererDrawerOpen = ref(false);
@@ -97,13 +103,24 @@ function handleRendererSelect(rendererId: string) {
     }
 }
 
+// Filtre la liste des renderers pour exclure les WebRenderers d'autres navigateurs.
+// Seul le WebRenderer créé par ce navigateur (identifié par son UDN) reste visible.
+function filterRenderers(renderers: typeof allRenderers.value) {
+    const myUdn = webRenderer.rendererInfo.value?.udn ?? null;
+    return renderers.filter((r) => {
+        if (r.model_name !== "WebRenderer") return true; // renderer classique : toujours visible
+        if (myUdn === null) return false; // pas encore de session : masquer tous les WebRenderers
+        return r.id === myUdn; // ne garder que le nôtre
+    });
+}
+
 // Sync route query params avec l'état des tabs
 onMounted(async () => {
     // Fetch renderers et servers au montage
     await Promise.all([fetchRenderers(), fetchServers()]);
 
-    // Sync initial des tabs avec les renderers
-    syncWithRenderers(allRenderers.value);
+    // Sync initial des tabs avec les renderers (en excluant les WebRenderers étrangers)
+    syncWithRenderers(filterRenderers(allRenderers.value));
 
     // Restaurer l'onglet actif depuis l'URL
     const urlTabId = route.query.tab as string;
@@ -116,11 +133,19 @@ onMounted(async () => {
 watch(
     () => allRenderers.value,
     (newRenderers) => {
-        syncWithRenderers(newRenderers);
+        syncWithRenderers(filterRenderers(newRenderers));
     },
     { deep: true },
 );
 
+// Watch l'UDN du WebRenderer local : quand il s'établit, resync pour faire apparaître notre onglet
+watch(
+    () => webRenderer.rendererInfo.value?.udn,
+    () => {
+        syncWithRenderers(filterRenderers(allRenderers.value));
+    },
+);
+
 // Watch les changements d'URL pour changer d'onglet
 watch(
     () => route.query.tab,
diff --git a/pmoapp/webapp/vite.config.ts b/pmoapp/webapp/vite.config.ts
index 90695f9f..3dc8cb62 100644
--- a/pmoapp/webapp/vite.config.ts
+++ b/pmoapp/webapp/vite.config.ts
@@ -13,6 +13,11 @@ export default defineConfig({
   },
   server: {
     proxy: {
+      '/api/webrenderer/ws': {
+        target: 'ws://localhost:8080',
+        ws: true,
+        changeOrigin: true,
+      },
       '/api': {
         target: 'http://localhost:8080',
         changeOrigin: true,
diff --git a/pmomediarenderer/src/avtransport/variables/avtransporturimetadata.rs b/pmomediarenderer/src/avtransport/variables/avtransporturimetadata.rs
index 52898d9b..13c3c02a 100644
--- a/pmomediarenderer/src/avtransport/variables/avtransporturimetadata.rs
+++ b/pmomediarenderer/src/avtransport/variables/avtransporturimetadata.rs
@@ -31,6 +31,11 @@ fn avtransporturimetadataparser(value: &str) -> Result<Box<dyn Reflect>, StateVa
 }
 
 fn avtransporturimetadatamarshal(value: &dyn Reflect) -> Result<String, StateVariableError> {
+    // Si c'est déjà une String, on la retourne directement
+    if let Some(s) = value.as_any().downcast_ref::<String>() {
+        return Ok(s.clone());
+    }
+    // Sinon, on essaie de convertir depuis DIDLLite
     let didl = value
         .downcast_ref::<DIDLLite>()
         .ok_or_else(|| StateVariableError::ConversionError("DIDLLite".into()))?;
@@ -45,6 +50,8 @@ pub static AVTRANSPORTURIMETADATA: Lazy<Arc<StateVariable>> =
 
         sv.set_value_parser(Arc::new(avtransporturimetadataparser))
             .expect("Failed to set parser");
+        sv.set_value_marshaler(Arc::new(avtransporturimetadatamarshal))
+            .expect("Failed to set marshaler");
         Arc::new(sv)
     });
 
diff --git a/pmoserver/Cargo.toml b/pmoserver/Cargo.toml
index 74c457e5..a36e6e09 100644
--- a/pmoserver/Cargo.toml
+++ b/pmoserver/Cargo.toml
@@ -8,6 +8,7 @@ pmoconfig = { path = "../pmoconfig", features = ["api"] }
 
 anyhow = { workspace = true }
 axum = "0.8.4"
+tower = { version = "0.5", features = ["util"] }
 tokio = { workspace = true, features = ["rt-multi-thread", "macros", "sync", "time", "signal"] }
 tokio-stream = "0.1"
 tokio-util = "0.7"
diff --git a/pmoserver/src/server.rs b/pmoserver/src/server.rs
index e04f4247..19f05ac3 100644
--- a/pmoserver/src/server.rs
+++ b/pmoserver/src/server.rs
@@ -550,7 +550,6 @@ impl Server {
 
         self.join_handle = Some(tokio::spawn(async move {
             let server_future = async {
-                let r = router.read().await.clone();
                 let listener = match tokio::net::TcpListener::bind(addr).await {
                     Ok(l) => l,
                     Err(e) => {
@@ -559,7 +558,19 @@ impl Server {
                     }
                 };
 
-                axum::serve(listener, r.into_make_service())
+                // Utiliser un router dynamique qui relit le router à chaque requête.
+                // Cela permet d'enregistrer de nouvelles routes après le démarrage du serveur
+                // (ex: WebRenderer dynamique).
+                let dynamic_router = axum::Router::new().fallback(move |req: axum::extract::Request| {
+                    let router = router.clone();
+                    async move {
+                        use tower::ServiceExt;
+                        let r = router.read().await.clone();
+                        r.into_service::<axum::body::Body>().oneshot(req).await
+                    }
+                });
+
+                axum::serve(listener, dynamic_router.into_make_service())
                     .with_graceful_shutdown(async move {
                         let _ = shutdown_rx.await;
                     })
@@ -598,6 +609,12 @@ impl Server {
         }
     }
 
+    /// Extrait le JoinHandle du serveur HTTP pour pouvoir l'awaiter
+    /// sans tenir le write lock du serveur global.
+    pub fn take_join_handle(&mut self) -> Option<JoinHandle<()>> {
+        self.join_handle.take()
+    }
+
     /// Retourne l'URL de base complète du serveur (schéma + hôte + port).
     ///
     /// La valeur configurable peut omettre le schéma ou le port ; cette méthode
diff --git a/pmowebrenderer/src/handlers.rs b/pmowebrenderer/src/handlers.rs
index 93b604e3..09b7e062 100644
--- a/pmowebrenderer/src/handlers.rs
+++ b/pmowebrenderer/src/handlers.rs
@@ -6,8 +6,10 @@
 use std::sync::Arc;
 use tokio::sync::mpsc;
 
-use pmoupnp::actions::{ActionData, ActionError, ActionHandler};
+use pmodidl::DIDLLite;
+use pmoupnp::actions::{ActionData, ActionError, ActionHandler, get_value};
 use pmoupnp::{get, set};
+use pmoutils::ToXmlElement;
 
 use crate::messages::{CommandParams, PlaybackState, ServerMessage, TransportAction};
 use crate::state::SharedState;
@@ -118,7 +120,13 @@ pub fn set_uri_handler(
         let state = state.clone();
         Box::pin(async move {
             let uri: String = get!(&data, "CurrentURI", String);
-            let metadata: String = get!(&data, "CurrentURIMetaData", String);
+            // CurrentURIMetaData peut être String ou DIDLLite (après parsing)
+            let metadata: String = get_value::<String>(&data, "CurrentURIMetaData")
+                .or_else(|_| {
+                    get_value::<DIDLLite>(&data, "CurrentURIMetaData")
+                        .map(|didl| didl.to_xml())
+                })
+                .unwrap_or_default();
             let _ = ws.send(ServerMessage::Command {
                 action: TransportAction::SetUri,
                 params: Some(CommandParams {
diff --git a/pmowebrenderer/src/renderer.rs b/pmowebrenderer/src/renderer.rs
index b1c21155..91f2d921 100644
--- a/pmowebrenderer/src/renderer.rs
+++ b/pmowebrenderer/src/renderer.rs
@@ -48,6 +48,23 @@ pub enum FactoryError {
     VariableError(String),
 }
 
+/// Extrait un nom de navigateur court depuis un User-Agent complet.
+fn extract_browser_name(ua: &str) -> &str {
+    if ua.contains("Edg/") || ua.contains("EdgA/") {
+        "Edge"
+    } else if ua.contains("OPR/") || ua.contains("Opera") {
+        "Opera"
+    } else if ua.contains("Chrome/") {
+        "Chrome"
+    } else if ua.contains("Firefox/") {
+        "Firefox"
+    } else if ua.contains("Safari/") {
+        "Safari"
+    } else {
+        "Browser"
+    }
+}
+
 /// Factory pour créer des Device UPnP WebRenderer avec des handlers WebSocket
 pub struct WebRendererFactory;
 
@@ -65,10 +82,11 @@ impl WebRendererFactory {
         let renderingcontrol = Self::build_renderingcontrol(ws_sender.clone(), state.clone())?;
         let connectionmanager = Self::build_connectionmanager()?;
 
+        let short_name = extract_browser_name(browser_name);
         let device = Device::new(
-            format!("WebRenderer"),
+            "WebRenderer".to_string(),
             "MediaRenderer".to_string(),
-            format!("Web Audio - {}", browser_name),
+            format!("Web Audio – {}", short_name),
         );
         device
             .add_service(Arc::new(avtransport))
diff --git a/pmowebrenderer/src/websocket.rs b/pmowebrenderer/src/websocket.rs
index fc3ae881..57ab7527 100644
--- a/pmowebrenderer/src/websocket.rs
+++ b/pmowebrenderer/src/websocket.rs
@@ -40,11 +40,13 @@ pub async fn websocket_handler(
     ws: WebSocketUpgrade,
     State(state): State<WebSocketState>,
 ) -> impl IntoResponse {
+    tracing::info!("WebRenderer WebSocket upgrade request received");
     ws.on_upgrade(move |socket: WebSocket| handle_socket(socket, state))
 }
 
 /// Gestion de la connexion WebSocket
 async fn handle_socket(socket: WebSocket, state: WebSocketState) {
+    tracing::info!("WebRenderer WebSocket connection established");
     let (mut sink, mut stream) = socket.split();
 
     // Canal pour envoyer des messages au navigateur
@@ -68,11 +70,14 @@ async fn handle_socket(socket: WebSocket, state: WebSocketState) {
     while let Some(msg_result) = stream.next().await {
         match msg_result {
             Ok(Message::Text(text)) => {
+                tracing::info!("WebRenderer received text message: {}", &text);
                 match serde_json::from_str::<ClientMessage>(&text) {
                     Ok(ClientMessage::Init { capabilities }) => {
+                        tracing::info!("WebRenderer Init received, creating renderer...");
                         // Créer le renderer UPnP pour ce navigateur
                         match create_renderer_for_browser(&capabilities, tx.clone(), &state).await {
                             Ok(session) => {
+                                tracing::info!("WebRenderer create_renderer_for_browser OK");
                                 let token = session.token.clone();
                                 let udn = session.udn.clone();
 
@@ -106,7 +111,7 @@ async fn handle_socket(socket: WebSocket, state: WebSocketState) {
                                 );
                             }
                             Err(e) => {
-                                tracing::error!("Failed to create WebRenderer: {}", e);
+                                tracing::error!("Failed to create WebRenderer: {:?}", e);
                                 break;
                             }
                         }
@@ -204,12 +209,14 @@ async fn create_renderer_for_browser(
     let token = Uuid::new_v4().to_string();
 
     // Construire le Device model avec les handlers WS
+    tracing::info!("WebRenderer: creating device model...");
     let device = WebRendererFactory::create_device(
         &capabilities.user_agent,
         ws_sender.clone(),
         shared_state.clone(),
     )
     .map_err(|e| crate::error::WebRendererError::DeviceCreationError(e.to_string()))?;
+    tracing::info!("WebRenderer: device model created");
 
     let device = Arc::new(device);
 
@@ -218,19 +225,24 @@ async fn create_renderer_for_browser(
     let di = {
         use pmoupnp::UpnpServerExt;
 
+        tracing::info!("WebRenderer: getting server arc...");
         let server_arc =
             pmoserver::get_server().ok_or(crate::error::WebRendererError::ServerNotAvailable)?;
+        tracing::info!("WebRenderer: got server arc, acquiring write lock...");
 
         let di = {
             let mut server = server_arc.write().await;
+            tracing::info!("WebRenderer: write lock acquired, registering device...");
             server
                 .register_device(device)
                 .await
                 .map_err(|e| crate::error::WebRendererError::RegistrationError(e.to_string()))?
         };
+        tracing::info!("WebRenderer: device registered, registering with ControlPoint...");
 
         // Enregistrer avec le ControlPoint
         register_with_control_point(&di, ws_state)?;
+        tracing::info!("WebRenderer: registered with ControlPoint");
 
         di
     };