diff --git a/api/oss-manifest.php b/api/oss-manifest.php
new file mode 100644
index 000000000..8ac45e658
--- /dev/null
+++ b/api/oss-manifest.php
@@ -0,0 +1,11 @@
+<?php
+// Wave 222 · /api/oss-manifest.php · serves /opt/oss/manifest.json
+@require_once __DIR__ . "/wevia-sanitizer-guard.php";
+header("Content-Type: application/json; charset=utf-8");
+header("Access-Control-Allow-Origin: *");
+$path = "/opt/oss/manifest.json";
+if (file_exists($path)) {
+    echo @file_get_contents($path);
+} else {
+    echo json_encode(["error" => "manifest_not_found"]);
+}
diff --git a/css/wevia-portal-consistency.css b/css/wevia-portal-consistency.css
index 3c76479e5..1ce20540c 100644
--- a/css/wevia-portal-consistency.css
+++ b/css/wevia-portal-consistency.css
@@ -101,3 +101,39 @@ a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible
 
 /* Smooth scroll behaviour */
 html { scroll-behavior: smooth; }
+
+/* Mobile responsive · Wave 222 */
+@media (max-width: 768px) {
+  .wevia-portal-banner {
+    flex-wrap: wrap;
+    padding: 8px 12px;
+    gap: 8px;
+  }
+  .wevia-portal-banner-label {
+    width: 100%;
+    margin-bottom: 4px;
+  }
+  .wevia-portal-banner-link {
+    font-size: 10.5px;
+    padding: 3px 8px;
+  }
+  .wevia-portal-badge-wave {
+    margin-left: 0;
+    margin-top: 4px;
+  }
+}
+
+@media (max-width: 480px) {
+  .wevia-portal-banner-link {
+    font-size: 9.5px;
+    padding: 3px 6px;
+  }
+  .wevia-portal-banner-link span, .wevia-portal-banner-label {
+    display: inline;
+  }
+}
+
+/* Print friendly */
+@media print {
+  .wevia-portal-banner { display: none; }
+}
diff --git a/weval-technology-platform.html b/weval-technology-platform.html
index 54f3fd31e..a8818435e 100644
--- a/weval-technology-platform.html
+++ b/weval-technology-platform.html
@@ -4300,6 +4300,64 @@ if (typeof window.navigateTo === 'function'){
   </div>
 </section>
 
+<section id="wtp-oss-catalog-wave222" data-added-by="opus-wave-222" style="margin:24px 16px;padding:20px;background:linear-gradient(135deg,#064e3b 0%,#1e1b4b 100%);border:1px solid #10b981;border-radius:12px;font-family:system-ui,sans-serif;box-shadow:0 10px 40px rgba(16,185,129,.15)">
+  <div style="display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:14px">
+    <div>
+      <div style="display:flex;align-items:center;gap:10px">
+        <span style="font-size:22px">📦</span>
+        <h2 style="margin:0;color:#a7f3d0;font-size:18px;font-weight:700">OSS Registry · /opt/oss/ Catalog</h2>
+        <span style="padding:3px 10px;border-radius:12px;background:linear-gradient(135deg,#10b981,#22d3ee);color:#fff;font-size:10px;font-weight:700">WAVE 222</span>
+      </div>
+      <p style="margin:4px 0 0 0;color:#6ee7b7;font-size:12px">4 OSS registered · install scripts ready · manifest live · 110K+ stars</p>
+    </div>
+    <div id="wtp-oss-ts" style="padding:4px 10px;border-radius:10px;background:rgba(16,185,129,.15);color:#6ee7b7;font-size:11px;font-weight:600">loading...</div>
+  </div>
+
+  <div id="wtp-oss-cards" style="display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:10px"></div>
+  <div style="margin-top:12px;padding:10px;background:rgba(16,185,129,.05);border:1px solid rgba(16,185,129,.15);border-radius:8px;font-size:11px;color:#a7f3d0">
+    💡 <b>Workflow</b>: chaque tool a /opt/oss/&lt;slug&gt;/install.sh · exécuter manuellement ou via chat Master (<code>wire star-vector</code>) · Ne PAS auto-installer (clone large + ML deps).
+  </div>
+
+  <script>
+  (function(){
+    function catColor(c){ return {code:'#22d3ee', data_analysis:'#a855f7'}[c] || '#94a3b8'; }
+    function starFmt(n){ return n >= 1000 ? (n/1000).toFixed(1)+'k' : n; }
+    function toolCard(t){
+      var statusCol = t.status === 'installed' ? '#10b981' : (t.status === 'registered' ? '#fbbf24' : '#64748b');
+      var notes = t.install_notes ? '<div style="margin-top:5px;padding:4px 6px;background:rgba(239,68,68,.08);border-radius:4px;font-size:10px;color:#fca5a5">⚠ '+t.install_notes.slice(0,80)+'...</div>' : '';
+      return '<div style="padding:12px;background:rgba(0,0,0,.25);border:1px solid rgba(16,185,129,.2);border-radius:8px">'
+        +'<div style="display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:6px">'
+          +'<code style="font-size:12px;color:#a7f3d0;font-weight:700">'+t.slug+'</code>'
+          +'<span style="padding:1px 6px;border-radius:8px;background:'+statusCol+'22;color:'+statusCol+';font-size:9.5px;font-weight:700;text-transform:uppercase">'+t.status+'</span>'
+        +'</div>'
+        +'<div style="font-size:10.5px;color:#94a3b8;font-family:monospace;margin-bottom:6px">'+t.full_name+' · ★'+starFmt(t.stars)+'</div>'
+        +'<div style="font-size:11px;color:#e2e8f0;line-height:1.4">'+t.purpose+'</div>'
+        +'<div style="margin-top:6px;display:flex;align-items:center;gap:6px">'
+          +'<span style="padding:1px 6px;border-radius:8px;background:'+catColor(t.category)+'22;color:'+catColor(t.category)+';font-size:9.5px;font-weight:700">'+t.category+'</span>'
+          +'<span style="font-size:10px;color:#fbbf24">'+t.gap_filled+'</span>'
+        +'</div>'
+        +notes
+        +'</div>';
+    }
+    fetch('/api/oss-manifest.php?cb='+Date.now())
+      .then(function(r){return r.json();})
+      .then(function(d){
+        var ts = document.getElementById('wtp-oss-ts');
+        if (ts) { ts.textContent = 'updated '+(d.ts||'').slice(0,16); ts.style.background='rgba(16,185,129,.15)'; ts.style.color='#6ee7b7'; }
+        var cards = document.getElementById('wtp-oss-cards');
+        if (cards) {
+          var cat = d.catalog || [];
+          cards.innerHTML = cat.map(toolCard).join('');
+        }
+      })
+      .catch(function(e){
+        var ts = document.getElementById('wtp-oss-ts');
+        if (ts) { ts.textContent='err'; ts.style.background='rgba(239,68,68,.15)'; ts.style.color='#fca5a5'; }
+      });
+  })();
+  </script>
+</section>
+
 <section id="wtp-ai-capability-wave220" data-added-by="opus-wave-220" style="margin:24px 16px;padding:22px;background:linear-gradient(135deg,#1e1b4b 0%,#064e3b 100%);border:1px solid #8b5cf6;border-radius:12px;font-family:system-ui,sans-serif;box-shadow:0 10px 40px rgba(139,92,246,.2)">
   <div style="display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:16px">
     <div>