fix: frontend

Author: Angular2Guy

frontend/src/angular/i18n/messages.de.json

@@ -19,13 +19,12 @@
     "cancel": "Cancel",
     "upload": "Upload",
     "doclistHeading": "Document List",
-	"bookSummary": "Book summary",
+	  "bookSummary": "Book summary",
     "imageQuery": "Image query",
     "function": "Function",
     "table": "Table",
     "search": "Search",
     "import": "Import",
-    "logout": "Logout",
     "doclistId": "Id",
     "doclistName": "Name",
     "doclistType": "Type",

frontend/src/angular/src/app/mcp-client/mcp-client.component.html

@@ -29,11 +29,11 @@
   <div class="my-textarea">
     <mat-form-field class="example-full-width">
       <mat-label i18n="@@mcpSearchQueryHeading">Query about books or movies</mat-label>
-      <textarea matInput i18n-placeholder="@@mcpSearchQueryPlaceholder" placeholder="Ask about books or movies." [(ngModel)]="query" name="query"></textarea>
+      <textarea matInput i18n-placeholder="@@mcpSearchQueryPlaceholder" placeholder="Ask about books or movies." required [(ngModel)]="query" name="query"></textarea>
     </mat-form-field>
   </div>
   <div class="my-button">
-    <button matButton="filled" type="submit" i18n="@@search">Search</button>
+    <button matButton="filled" type="submit" i18n="@@search" [disabled]="!userForm.valid">Search</button>
   </div>
 </div>
 </form>