Scarf Fire

frontend/src/App.tsx

@@ -7,7 +7,6 @@ import { ToolWorkflowProvider } from "./contexts/ToolWorkflowContext";
 import { SidebarProvider } from "./contexts/SidebarContext";
 import ErrorBoundary from "./components/shared/ErrorBoundary";
 import HomePage from "./pages/HomePage";
-import { ScarfPixel } from "./components/ScarfPixel";
 
 // Import global styles
 import "./styles/tailwind.css";
@@ -37,7 +36,6 @@ export default function App() {
         <ErrorBoundary>
           <FileContextProvider enableUrlSync={true} enablePersistence={true}>
             <NavigationProvider>
-              <ScarfPixel />
               <FilesModalProvider>
                 <ToolWorkflowProvider>
                   <SidebarProvider>

frontend/src/components/ScarfPixel.tsx

@@ -1,30 +0,0 @@
-import { useEffect, useRef } from "react";
-import { useNavigationState } from "../contexts/NavigationContext";
-
-export function ScarfPixel() {
-  const { workbench, selectedTool } = useNavigationState();
-  const lastUrlSent = useRef<string | null>(null); // helps with React 18 StrictMode in dev
-
-  useEffect(() => {
-    // Get current pathname from browser location
-    const pathname = window.location.pathname;
-    
-    const url = 'https://static.scarf.sh/a.png?x-pxid=3c1d68de-8945-4e9f-873f-65320b6fabf7'
-               + '&path=' + encodeURIComponent(pathname)
-               + '&t=' + Date.now(); // cache-buster
-
-    console.log("ScarfPixel: Navigation change", { workbench, selectedTool, pathname });
-
-    if (lastUrlSent.current !== url) {
-      lastUrlSent.current = url;
-      const img = new Image();
-      img.referrerPolicy = "no-referrer-when-downgrade"; // optional
-      img.src = url;
-
-      console.log("ScarfPixel: Fire to... " + pathname, url);
-    }
-  }, [workbench, selectedTool]); // Fire when navigation state changes
-
-  return null; // Nothing visible in UI
-}
-

frontend/src/contexts/ToolWorkflowContext.tsx

@@ -225,10 +225,7 @@ export function ToolWorkflowProvider({ children }: ToolWorkflowProviderProps) {
 
   // URL sync for proper tool navigation
   useNavigationUrlSync(
-    navigationState.workbench,
     navigationState.selectedTool,
-    actions.setWorkbench,
-    actions.setSelectedTool,
     handleToolSelect,
     () => actions.setSelectedTool(null),
     toolRegistry,

frontend/src/hooks/useUrlSync.ts

@@ -3,7 +3,7 @@
  */
 
 import { useEffect, useCallback } from 'react';
-import { WorkbenchType, ToolId, ToolRoute } from '../types/navigation';
+import { WorkbenchType, ToolId } from '../types/navigation';
 import { parseToolRoute, updateToolRoute, clearToolRoute } from '../utils/urlRouting';
 import { ToolRegistry } from '../data/toolsTaxonomy';
 
@@ -11,10 +11,7 @@ import { ToolRegistry } from '../data/toolsTaxonomy';
  * Hook to sync workbench and tool with URL using registry
  */
 export function useNavigationUrlSync(
-  workbench: WorkbenchType,
   selectedTool: ToolId | null,
-  setWorkbench: (workbench: WorkbenchType) => void,
-  setSelectedTool: (toolId: ToolId | null) => void,
   handleToolSelect: (toolId: string) => void,
   clearToolSelection: () => void,
   registry: ToolRegistry,
@@ -28,7 +25,9 @@ export function useNavigationUrlSync(
     if (route.toolId !== selectedTool) {
       if (route.toolId) {
         handleToolSelect(route.toolId);
-      } else {
+      } else if (selectedTool !== null) {
+        // Only clear selection if we actually had a tool selected
+        // Don't clear on initial load when selectedTool starts as null
         clearToolSelection();
       }
     }
@@ -41,8 +40,10 @@ export function useNavigationUrlSync(
     if (selectedTool) {
       updateToolRoute(selectedTool, registry);
     } else {
-      // Clear URL when no tool is selected
+      // Only clear URL if we're not on the home page already
-      clearToolRoute();
+      if (window.location.pathname !== '/') {
+        clearToolRoute();
+      }
     }
   }, [selectedTool, registry, enableSync]);
 

frontend/src/utils/scarfTracking.ts

@@ -0,0 +1,28 @@
+let lastFiredPathname: string | null = null;
+let lastFiredTime = 0;
+
+/**
+ * Fire scarf pixel for analytics tracking
+ * Only fires if pathname is different from last call or enough time has passed
+ */
+export function firePixel(pathname: string): void {
+  const now = Date.now();
+
+  // Only fire if pathname changed or it's been at least 1 second since last fire
+  if (pathname === lastFiredPathname && now - lastFiredTime < 250) {
+    return;
+  }
+
+  lastFiredPathname = pathname;
+  lastFiredTime = now;
+
+  const url = 'https://static.scarf.sh/a.png?x-pxid=3c1d68de-8945-4e9f-873f-65320b6fabf7'
+             + '&path=' + encodeURIComponent(pathname)
+
+  const img = new Image();
+  img.referrerPolicy = "no-referrer-when-downgrade";
+  img.src = url;
+
+  console.log("ScarfPixel: Fire to... " + pathname);
+}
+

frontend/src/utils/urlRouting.ts

@@ -8,6 +8,7 @@ import {
   getDefaultWorkbench
 } from '../types/navigation';
 import { ToolRegistry, getToolWorkbench, getToolUrlPath, isValidToolId } from '../data/toolsTaxonomy';
+import { firePixel } from './scarfTracking';
 
 /**
  * Parse the current URL to extract tool routing information
@@ -44,33 +45,38 @@ export function parseToolRoute(registry: ToolRegistry): ToolRoute {
   };
 }
 
+/**
+ * Update URL and fire analytics pixel
+ */
+function updateUrl(newPath: string, searchParams: URLSearchParams): void {
+  const currentPath = window.location.pathname;
+  const queryString = searchParams.toString();
+  const fullUrl = newPath + (queryString ? `?${queryString}` : '');
+
+  // Only update URL and fire pixel if something actually changed
+  if (currentPath !== newPath || window.location.search !== (queryString ? `?${queryString}` : '')) {
+    window.history.replaceState(null, '', fullUrl);
+    firePixel(newPath);
+  }
+}
+
 /**
  * Update the URL to reflect the current tool selection
  */
 export function updateToolRoute(toolId: ToolId, registry: ToolRegistry): void {
-  const currentPath = window.location.pathname;
-  const searchParams = new URLSearchParams(window.location.search);
-
   const tool = registry[toolId];
   if (!tool) {
     console.warn(`Tool ${toolId} not found in registry`);
     return;
   }
 
-
   const newPath = getToolUrlPath(toolId, tool);
+  const searchParams = new URLSearchParams(window.location.search);
   
   // Remove tool query parameter since we're using path-based routing
   searchParams.delete('tool');
 
-  // Construct final URL
+  updateUrl(newPath, searchParams);
-  const queryString = searchParams.toString();
-  const fullUrl = newPath + (queryString ? `?${queryString}` : '');
-
-  // Update URL without triggering page reload
-  if (currentPath !== newPath || window.location.search !== (queryString ? `?${queryString}` : '')) {
-    window.history.replaceState(null, '', fullUrl);
-  }
 }
 
 /**
@@ -80,10 +86,7 @@ export function clearToolRoute(): void {
   const searchParams = new URLSearchParams(window.location.search);
   searchParams.delete('tool');
 
-  const queryString = searchParams.toString();
+  updateUrl('/', searchParams);
-  const url = '/' + (queryString ? `?${queryString}` : '');
-
-  window.history.replaceState(null, '', url);
 }
 
 /**