simplify QuickAccessBar

frontend/src/components/shared/QuickAccessBar.tsx

@@ -16,7 +16,7 @@ import TopToolIndicator from './quickAccessBar/TopToolIndicator';
 import { 
   isNavButtonActive, 
   getNavButtonStyle, 
-  getActiveNavButton 
+  getActiveNavButton,
 } from './quickAccessBar/QuickAccessBar';
 
 const QuickAccessBar = forwardRef<HTMLDivElement>(({
@@ -24,15 +24,15 @@ const QuickAccessBar = forwardRef<HTMLDivElement>(({
   const { t } = useTranslation();
   const { isRainbowMode } = useRainbowThemeContext();
   const { openFilesModal, isFilesModalOpen } = useFilesModalContext();
-  const { handleReaderToggle, handleBackToTools, selectedTool, selectedToolKey, leftPanelView } = useToolWorkflow();
+  const { handleReaderToggle, handleBackToTools, handleToolSelect, selectedTool, selectedToolKey, leftPanelView, toolRegistry, readerMode } = useToolWorkflow();
   const [configModalOpen, setConfigModalOpen] = useState(false);
   const [activeButton, setActiveButton] = useState<string>('tools');
   const scrollableRef = useRef<HTMLDivElement>(null);
   const isOverflow = useIsOverflowing(scrollableRef);
 
   useEffect(() => {
-    setActiveButton(getActiveNavButton(leftPanelView, selectedTool, selectedToolKey));
-  }, [leftPanelView, selectedTool, selectedToolKey]);
+    setActiveButton(getActiveNavButton(leftPanelView, selectedToolKey, toolRegistry as any, readerMode));
+  }, [leftPanelView, selectedToolKey, toolRegistry, readerMode]);
 
   const handleFilesButtonClick = () => {
     openFilesModal();
@@ -49,9 +49,7 @@ const QuickAccessBar = forwardRef<HTMLDivElement>(({
       type: 'navigation',
       onClick: () => {
         setActiveButton('read');
-        // Clear any selected tool and return to picker so the top tool indicator hides
         handleBackToTools();
-        // Then enter reader mode
         handleReaderToggle();
       }
     },
@@ -67,8 +65,7 @@ const QuickAccessBar = forwardRef<HTMLDivElement>(({
       type: 'navigation',
       onClick: () => {
         setActiveButton('sign');
-        // Ensure any previously selected tool is cleared so indicator hides
-        handleBackToTools();
+        handleToolSelect('sign');
       }
     },
     {
@@ -83,8 +80,7 @@ const QuickAccessBar = forwardRef<HTMLDivElement>(({
       type: 'navigation',
       onClick: () => {
         setActiveButton('automate');
-        // Ensure any previously selected tool is cleared so indicator hides
-        handleBackToTools();
+        handleToolSelect('automate');
       }
     },
     {

frontend/src/components/shared/quickAccessBar/QuickAccessBar.ts

@@ -59,11 +59,7 @@ export const getTargetNavButton = (
 ): string | null => {
   if (!selectedToolKey) return null;
 
-  const toolEntry = registry[selectedToolKey];
-  if (!toolEntry) return null;
-
-  // Use the tool's view as the nav button id
-  return toolEntry.view || null;
+  return selectedToolKey;
 };
 
 /**
@@ -72,8 +68,13 @@ export const getTargetNavButton = (
 export const getActiveNavButton = (
   leftPanelView: 'toolPicker' | 'toolContent',
   selectedToolKey: string | null,
-  registry: ReturnType<typeof useFlatToolRegistry>
+  registry: ReturnType<typeof useFlatToolRegistry>,
+  readerMode: boolean
 ): string => {
+  // Reader mode takes precedence and should highlight the Read nav item
+  if (readerMode) {
+    return 'read';
+  }
   if (leftPanelView !== 'toolContent' || !selectedToolKey) {
     return 'tools';
   }

frontend/src/contexts/ToolWorkflowContext.tsx

@@ -142,13 +142,22 @@ export function ToolWorkflowProvider({ children, onViewChange }: ToolWorkflowPro
 
   // Workflow actions (compound actions that coordinate multiple state changes)
   const handleToolSelect = useCallback((toolId: string) => {
+    // Special-case: if tool is a dedicated reader tool, enter reader mode and do not go to toolContent
+    if (toolId === 'read' || toolId === 'view-pdf') {
+      setReaderMode(true);
+      setLeftPanelView('toolPicker');
+      clearToolSelection();
+      setSearchQuery('');
+      return;
+    }
+
     selectTool(toolId);
     onViewChange?.('fileEditor');
     setLeftPanelView('toolContent');
     setReaderMode(false);
     // Clear search so the tool content becomes visible immediately
     setSearchQuery('');
-  }, [selectTool, onViewChange, setLeftPanelView, setReaderMode, setSearchQuery]);
+  }, [selectTool, onViewChange, setLeftPanelView, setReaderMode, setSearchQuery, clearToolSelection]);
 
   const handleBackToTools = useCallback(() => {
     setLeftPanelView('toolPicker');

frontend/src/data/toolRegistry.tsx

@@ -670,15 +670,6 @@ export function useFlatToolRegistry(): ToolRegistry {
         category: "Recommended Tools",
         subcategory: null
     },
-    "view-pdf": {
-        icon: <span className="material-symbols-rounded">article</span>,
-        name: t("home.viewPdf.title", "View/Edit PDF"),
-        component: null,
-        view: "view",
-        description: t("home.viewPdf.desc", "View, annotate, draw, add text or images"),
-        category: "Recommended Tools",
-        subcategory: null
-    }
     };
 }