diff --git a/src/components/Layout/TopBar.jsx b/src/components/Layout/TopBar.jsx
index 93151d7..f7387c5 100644
--- a/src/components/Layout/TopBar.jsx
+++ b/src/components/Layout/TopBar.jsx
@@ -4,7 +4,7 @@ import { registerUser } from "../../api/client";
 import AuthToast from "../Auth/AuthToast";
 
 // Import pour le bouton PWA
-import { promptInstall } from '../../pwaInstall';
+import { promptInstall, isRunningAsPWA, canInstall } from '../../pwaInstall';
 
 const THEME_LABELS = { dark: "Dark", blue: "Blue", light: "Light" };
 const LAST_SIGNUP_KEY = "sociowire:lastSignup";
@@ -83,6 +83,7 @@ export default function TopBar({ theme = "dark", onChangeTheme }) {
   const [signupError, setSignupError] = useState("");
   const [signupInfo, setSignupInfo] = useState("");
   const [signupLoading, setSignupLoading] = useState(false);
+  const [showInstallBtn, setShowInstallBtn] = useState(false);
 
   const openModal = (nextMode) => {
     setMode(nextMode);
@@ -100,6 +101,34 @@ export default function TopBar({ theme = "dark", onChangeTheme }) {
     if (authenticated) setShowAuth(false);
   }, [authenticated]);
 
+  // Check if install button should be shown
+  useEffect(() => {
+    const checkInstall = () => {
+      // Hide button if already running as PWA
+      if (isRunningAsPWA()) {
+        setShowInstallBtn(false);
+        return;
+      }
+      // Show button if installation is available
+      setShowInstallBtn(canInstall());
+    };
+
+    checkInstall();
+
+    // Listen for beforeinstallprompt to update button visibility
+    const handlePrompt = () => {
+      setTimeout(checkInstall, 100);
+    };
+
+    window.addEventListener('beforeinstallprompt', handlePrompt);
+    window.addEventListener('appinstalled', () => setShowInstallBtn(false));
+
+    return () => {
+      window.removeEventListener('beforeinstallprompt', handlePrompt);
+      window.removeEventListener('appinstalled', () => setShowInstallBtn(false));
+    };
+  }, []);
+
   useEffect(() => {
     try {
       const { get, qs, hs, hash } = parseMergedParams();
@@ -265,26 +294,28 @@ export default function TopBar({ theme = "dark", onChangeTheme }) {
               ))}
             </div>
 
-            {/* BOUTON INSTALL PWA ici en haut */}
-            <button
-              onClick={() => promptInstall()}
-              style={{
-                marginLeft: '8px',
-                padding: '5px 10px',
-                fontSize: '12px',
-                background: '#0ea5e9',
-                color: 'white',
-                border: 'none',
-                borderRadius: '999px',
-                cursor: 'pointer',
-                display: 'flex',
-                alignItems: 'center',
-                gap: '6px',
-                boxShadow: '0 2px 8px rgba(0,0,0,0.3)',
-              }}
-            >
-              <i className="fa-solid fa-download"></i> Install
-            </button>
+            {/* BOUTON INSTALL PWA ici en haut - seulement si pas déjà installé */}
+            {showInstallBtn && (
+              <button
+                onClick={() => promptInstall()}
+                style={{
+                  marginLeft: '8px',
+                  padding: '5px 10px',
+                  fontSize: '12px',
+                  background: '#0ea5e9',
+                  color: 'white',
+                  border: 'none',
+                  borderRadius: '999px',
+                  cursor: 'pointer',
+                  display: 'flex',
+                  alignItems: 'center',
+                  gap: '6px',
+                  boxShadow: '0 2px 8px rgba(0,0,0,0.3)',
+                }}
+              >
+                <i className="fa-solid fa-download"></i> Install
+              </button>
+            )}
           </div>
         </div>
 
diff --git a/src/components/Map/postPriority.js b/src/components/Map/postPriority.js
index 4bce58e..2fc8e18 100644
--- a/src/components/Map/postPriority.js
+++ b/src/components/Map/postPriority.js
@@ -14,7 +14,7 @@ export function calculatePostPriority(post, viewCenter, allPosts) {
   let score = 0;
 
   // 1. Score intrinsèque du post (si disponible depuis reco-service)
-  const recoScore = typeof post.score === 'number' ? post.score : 50;
+  const recoScore = typeof post.score === 'number' ? post.score : 40; // Réduit de 50 à 40 pour base plus basse
   score += recoScore * 0.4; // Weight: 40%
 
   // 2. Catégorie (certaines plus importantes)
diff --git a/src/components/Map/usePostsEngine.js b/src/components/Map/usePostsEngine.js
index 63522e3..47e34f1 100644
--- a/src/components/Map/usePostsEngine.js
+++ b/src/components/Map/usePostsEngine.js
@@ -87,9 +87,15 @@ export function usePostsEngine({
       const viewCenter = center ? { lng: center.lng, lat: center.lat } : null;
 
       const { fullCardPosts, simpleMarkerPosts } = prioritizePosts(visible, viewCenter, {
-        maxFullCards: 15,        // Max 15 cartes complètes
-        clusterRadius: 0.0015,   // ~150m clustering radius
-        minScoreForCard: 35,     // Score minimum pour carte complète
+        maxFullCards: 12,        // Max 12 cartes complètes (réduit de 15)
+        clusterRadius: 0.002,    // ~200m clustering radius (augmenté pour plus de groupement)
+        minScoreForCard: 50,     // Score minimum pour carte complète (augmenté de 35 à 50)
+      });
+
+      console.log('[usePostsEngine] Prioritized:', {
+        total: visible.length,
+        fullCards: fullCardPosts.length,
+        simpleMarkers: simpleMarkerPosts.length
       });
 
       // Combine both types for "wanted" tracking
diff --git a/src/components/Search/SmartSearchBar.jsx b/src/components/Search/SmartSearchBar.jsx
index e7340c7..aee369e 100644
--- a/src/components/Search/SmartSearchBar.jsx
+++ b/src/components/Search/SmartSearchBar.jsx
@@ -98,12 +98,15 @@ export default function SmartSearchBar({
 
     const t = setTimeout(async () => {
       try {
+        console.log('[SmartSearchBar] Searching for:', query);
         const res = await recoSearch(query, { signal: ctrl.signal, limit: 12 });
+        console.log('[SmartSearchBar] Got results:', res?.length || 0, res);
         setItems(res);
         setOpen(true);
         setActive(res.length ? 0 : -1);
       } catch (e) {
         if (ctrl.signal.aborted) return;
+        console.error('[SmartSearchBar] Search error:', e);
         setErr((e && e.message) ? e.message : "Search error");
         setItems([]);
       } finally {
diff --git a/src/services/recoSearch.js b/src/services/recoSearch.js
index dd22b9b..a478813 100644
--- a/src/services/recoSearch.js
+++ b/src/services/recoSearch.js
@@ -76,10 +76,18 @@ async function tryFetchAnyPath(q, { signal } = {}) {
   for (const p of paths) {
     try {
       const url = `${p}?q=${encodeURIComponent(query)}`;
+      console.log('[recoSearch] Trying:', url);
       const res = await fetch(url, { credentials: "include", signal });
 
-      if (res.status === 404) continue;
-      if (!res.ok) return []; // évite spam erreurs
+      console.log('[recoSearch] Response status:', res.status);
+      if (res.status === 404) {
+        console.log('[recoSearch] 404, trying next path');
+        continue;
+      }
+      if (!res.ok) {
+        console.log('[recoSearch] Not OK, returning empty');
+        return []; // évite spam erreurs
+      }
       const data = await res.json().catch(() => null);
 
       const arr = Array.isArray(data)
@@ -90,11 +98,16 @@ async function tryFetchAnyPath(q, { signal } = {}) {
         ? data.results
         : [];
 
+      console.log('[recoSearch] Success! Returning', arr.length, 'results from', p);
       return arr.map(normalizeOne).filter(Boolean);
     } catch (e) {
       // Abort => stop net
-      if (e && (e.name === "AbortError" || e.code === 20)) return [];
+      if (e && (e.name === "AbortError" || e.code === 20)) {
+        console.log('[recoSearch] Aborted');
+        return [];
+      }
       // autres erreurs => on teste prochain path
+      console.log('[recoSearch] Error on', p, ':', e.message, '- trying next');
       continue;
     }
   }