fix: table prompt in French, tab title shows filename

"Nombre de colonnes/lignes" prompts. Tab title now shows "Title - ObsiGate Forge" when file loaded, "ObsiGate Forge - Demo" in demo mode.

frontend/editor-poc.html

@@ -458,6 +458,7 @@ body { font-family: var(--sans); background: var(--bg); color: var(--text); heig
       // Demo mode
       ta.value = '# Demo Document\n\nType **/** for commands. Select text for formatting.\n\n## Features\n\n- Slash commands: type / at start of line\n- Bubble menu: select text\n- AI actions: use the sparkle button or slash /ai\n- Preview: click the eye button\n';
       statFile.textContent = 'Demo mode';
+      document.title = 'ObsiGate Forge — Demo';
       originalContent = ta.value;
       updateStats();
       schedulePreview();
@@ -478,6 +479,7 @@ body { font-family: var(--sans); background: var(--bg); color: var(--text); heig
         if (m) title = m[1];
         document.getElementById('poc-title').value = title;
         statFile.textContent = fileVault + '/' + filePath;
+        document.title = title + ' — ObsiGate Forge';
         updateStats();
         schedulePreview();
       })
@@ -736,8 +738,8 @@ body { font-family: var(--sans); background: var(--bg); color: var(--text); heig
     }
     // Table: prompt for dimensions
     if (action === 'table') {
-      var cols = parseInt(prompt('Number of columns?', '3'));
-      var rows = parseInt(prompt('Number of rows?', '3'));
+      var cols = parseInt(prompt('Nombre de colonnes ?', '3'));
+      var rows = parseInt(prompt('Nombre de lignes ?', '3'));
       if (!cols || !rows || cols < 1 || rows < 1) { ta.focus(); return; }
       var hdr = '|'; var sep = '|';
       for (var c = 1; c <= cols; c++) { hdr += ' Col ' + c + ' |'; sep += '-------|'; }