Review-Agent: Default=Approved + vollständige Tool-Boxes für Sub-Agents

Backend:
- Review-Agent: Default = Approved (analog zum Preparer Default=Forward)
  Nur bei explizitem [FEEDBACK]-Tag wird Feedback zurückgespielt
  Verhindert Loop wenn Review-Agent bestätigt ohne [APPROVED]-Tag
- Neues SSE-Event {agentType}_tool_end für Sub-Agent Tool-Ergebnisse
  Sendet toolName, input, result, isError nach Tool-Ausführung

Frontend Streaming (stream-ui.js + chat.js):
- addReviewToolUse: Vollständige Tool-Box mit Loading-Spinner statt nur Name
- finishReviewToolBox: Befüllt Tool-Box nach tool_end mit Details (Pfad, Diff, Result)
- Event-Handler für preparer/review/finalizer_tool_end

Frontend History (history.js):
- _renderReviewGroup: Vollständige Tool-Boxes statt einfache Tool-Use-Indikatoren
- Tool-Result Look-Ahead für korrekte Zuordnung (toolCallId-Match)
- Web-Search-Sources in Review-Bubbles unterstützt
- Tool-Visibility-Filter (isToolVisible) auch für Sub-Agent-Tools

CSS:
- .review-tool-use → .review-tool-box (erbt normale Tool-Box-Styles)

wwwroot/js/history.js

@@ -320,11 +320,8 @@ function _renderReviewGroup(tagGroup, archived) {
       text = text.replace(/^\[(Review|Preparer|Finalizer): [^\]]+\]\s*/, '');
       if (text) textParts.push(text);
     } else if (m.type === 'tool_use') {
-      // Insert tool-use indicator
-      var toolDiv = document.createElement('div');
-      toolDiv.className = 'review-tool-use';
-      toolDiv.innerHTML = '<i class="fa fa-wrench"></i> <span class="tool-name">' + esc(m.toolName) + '</span>';
-      // Flush accumulated text before tool indicator
+      if (!isToolVisible(m.toolName)) continue;
+      // Flush accumulated text before tool box
       if (textParts.length > 0) {
         var contentDiv = document.createElement('div');
         contentDiv.className = 'review-content markdown';
@@ -333,9 +330,41 @@ function _renderReviewGroup(tagGroup, archived) {
         bubble.appendChild(contentDiv);
         textParts = [];
       }
+      // Full tool-box (same as normal tool boxes)
+      var toolDiv = document.createElement('div');
+      toolDiv.className = 'tool-box review-tool-box' + (archived ? ' archived' : '');
+      // Look ahead for matching tool_result
+      var toolResult = null;
+      var toolIsError = false;
+      for (var j = i + 1; j < tagGroup.length; j++) {
+        if (tagGroup[j].type === 'tool_result' && tagGroup[j].toolCallId === m.toolCallId) {
+          toolResult = tagGroup[j].content;
+          toolIsError = tagGroup[j].isError;
+          break;
+        }
+      }
+      renderToolBoxContent(toolDiv, m.toolName, m.content, toolResult, toolIsError);
       bubble.appendChild(toolDiv);
+    } else if (m.type === 'web_search_result') {
+      if (!isToolVisible('web_search')) continue;
+      if (textParts.length > 0) {
+        var contentDiv = document.createElement('div');
+        contentDiv.className = 'review-content markdown';
+        contentDiv.innerHTML = renderMarkdown(textParts.join('\n\n'));
+        parseFluentEmojis(contentDiv);
+        bubble.appendChild(contentDiv);
+        textParts = [];
+      }
+      var wsSources = [];
+      try { wsSources = JSON.parse(m.content || '[]'); } catch(e) {}
+      if (wsSources.length > 0) {
+        var wsDiv = document.createElement('div');
+        wsDiv.className = 'tool-box review-tool-box' + (archived ? ' archived' : '');
+        renderToolBoxContent(wsDiv, 'web_search', null, null, false, wsSources);
+        bubble.appendChild(wsDiv);
+      }
     }
-    // tool_result and web_search_result are skipped (same as streaming)
+    // tool_result is consumed by tool_use look-ahead above
   }
 
   // Flush remaining text