fix: side peek des bases repasse en vanilla JS + largeur 1100px standard (v7.49.0)

- Panneau peek: les bindings Alpine (x-data absent du conteneur) rendaient
  loovverture et le redimensionnement inoperants -> cblage direct sur le document.
- Helper unique window.fdWirePeekResize (app.js): pointer capture, 300px-90vw,
  clic=fermer, largeur persiste fd_peek_width partagee entre les 4 peeks.
- database-table-container margin:0 (tableau colle a gauche, marge Library).
- .lib-container remonte dans app.css (trash etait pleine largeur), .db-index 1100px.
- ObsiGate verifie sans code: creation .xlsx OK (openpyxl, #186).

static/js/local_workspace.js

@@ -200,39 +200,11 @@ const _wsInitData = (function() {  // lexical : NON propriété globalThis →
     },
 
     _initResizeHandle() {
-      var panel = document.getElementById('ws-preview-panel');
-      var handle = document.getElementById('ws-preview-resize-handle');
-      if (!panel || !handle) return;
-      var startX, startWidth, dragging = false;
-      handle.addEventListener('pointerdown', function(e) {
-        e.preventDefault();
-        handle.setPointerCapture(e.pointerId);
-        startX = e.clientX;
-        startWidth = panel.offsetWidth;
-        dragging = true;
-        document.body.style.userSelect = 'none';
-      });
-      handle.addEventListener('pointermove', function(e) {
-        if (!dragging) return;
-        var deltaX = startX - e.clientX;
-        var newWidth = Math.max(300, Math.min(window.innerWidth * 0.9, startWidth + deltaX));
-        panel.style.width = newWidth + 'px';
-      });
-      handle.addEventListener('pointerup', function(e) {
-        if (!dragging) return;
-        document.body.style.userSelect = '';
-        var moved = Math.abs(e.clientX - startX);
-        if (moved < 3) {
-          window._wsData.closePreviewPanel();
-        }
-        dragging = false;
-        try { localStorage.setItem('fd_peek_width', panel.style.width); } catch { /* volontaire */ }
-        handle.releasePointerCapture(e.pointerId);
-      });
-      try {
-        var saved = localStorage.getItem('fd_peek_width');
-        if (saved) panel.style.width = saved;
-      } catch { /* volontaire */ }
+      // Helper partagé (app.js) — pointer capture, persistance fd_peek_width.
+      window.fdWirePeekResize(
+        document.getElementById('ws-preview-panel'),
+        document.getElementById('ws-preview-resize-handle'),
+        function () { window._wsData.closePreviewPanel(); });
     },
 
     _recompute() {
@@ -403,7 +375,7 @@ const _wsInitData = (function() {  // lexical : NON propriété globalThis →
       return null;
     },
 
-    // ── Preview panel (loads editor in iframe via /pages/{id}?embed=1) ──
+    // ── Preview panel (loads the full-screen editor in an iframe) ──
     selectForPreview(node) {
       var panel = document.getElementById('ws-preview-panel');
       if (!panel) return;
@@ -423,9 +395,12 @@ const _wsInitData = (function() {  // lexical : NON propriété globalThis →
           window.showToast('Failed to copy', 'error');
         });
       };
-      // Load editor in iframe
+      // Load the full-screen editor in the iframe (no `?embed=1`: the peek
+      // shows the same editor as the page itself). `about:blank` first, so
+      // opening another document really reloads the frame instead of keeping
+      // the previous one when the URL happens to be identical.
       var iframe = document.getElementById('ws-preview-iframe');
-      if (iframe) iframe.src = '/pages/' + node.id + '?embed=1';
+      if (iframe) { iframe.src = 'about:blank'; iframe.src = '/pages/' + node.id; }
       // Show panel
       panel.style.display = 'flex';
       requestAnimationFrame(function() {