fix(desktop): fetch latest file content when clicking already-open file

apps/desktop/src/lib/trpc/routers/auth/index.ts

@@ -24,10 +24,7 @@ export const createAuthRouter = () => {
 					emit.next(state);
 				};
 
-				// Send initial state
 				emit.next(authService.getState());
-
-				// Listen for changes
 				authService.on("state-changed", handler);
 
 				return () => {

apps/desktop/src/main/lib/api-client.ts

@@ -7,9 +7,6 @@ import { authService } from "./auth";
 /**
  * tRPC client for calling the Superset API
  * Automatically includes the access token in requests
- * Handles auth errors vs network errors:
- * - 401/403: Token invalid/revoked, clears session
- * - Network errors: Preserves session for offline work
  */
 export const apiClient = createTRPCClient<AppRouter>({
 	links: [
@@ -29,15 +26,13 @@ export const apiClient = createTRPCClient<AppRouter>({
 				try {
 					const response = await globalThis.fetch(url, options);
 
-					// Handle auth errors - token was revoked/invalid on server
 					if (response.status === 401 || response.status === 403) {
 						console.log("[api-client] Auth error, clearing session");
 						await authService.signOut();
 					}
 
 					return response;
 				} catch (error) {
-					// Network errors - preserve session for offline work
 					console.log("[api-client] Network error, preserving session", error);
 					throw error;
 				}

apps/desktop/src/renderer/screens/main/components/TasksView/components/OrganizationSwitcher/OrganizationSwitcher.tsx

@@ -32,7 +32,7 @@ export function OrganizationSwitcher() {
 
 	const initials = activeOrganization.name
 		?.split(" ")
-		.map((n: string) => n[0])
+		.map((n) => n[0])
 		.join("")
 		.toUpperCase()
 		.slice(0, 2);

apps/desktop/src/renderer/screens/main/components/WorkspaceView/Sidebar/index.tsx

@@ -6,34 +6,61 @@ import { ChangesView } from "./ChangesView";
 export function Sidebar() {
 	const { data: activeWorkspace } = trpc.workspaces.getActive.useQuery();
 	const workspaceId = activeWorkspace?.id;
+	const worktreePath = activeWorkspace?.worktreePath;
 
 	const addFileViewerPane = useTabsStore((s) => s.addFileViewerPane);
+	const trpcUtils = trpc.useUtils();
+
+	// Invalidate file content queries to ensure fresh data when clicking a file
+	const invalidateFileContent = (filePath: string) => {
+		if (!worktreePath) return;
+
+		Promise.all([
+			trpcUtils.changes.readWorkingFile.invalidate({
+				worktreePath,
+				filePath,
+			}),
+			trpcUtils.changes.getFileContents.invalidate({
+				worktreePath,
+				filePath,
+			}),
+		]).catch((error) => {
+			console.error(
+				"[Sidebar/invalidateFileContent] Failed to invalidate file content queries:",
+				{ worktreePath, filePath, error },
+			);
+		});
+	};
 
 	// Single click - opens in preview mode (can be replaced by next single click)
-	const handleFileOpen = workspaceId
-		? (file: ChangedFile, category: ChangeCategory, commitHash?: string) => {
-				addFileViewerPane(workspaceId, {
-					filePath: file.path,
-					diffCategory: category,
-					commitHash,
-					oldPath: file.oldPath,
-					isPinned: false,
-				});
-			}
-		: undefined;
+	const handleFileOpen =
+		workspaceId && worktreePath
+			? (file: ChangedFile, category: ChangeCategory, commitHash?: string) => {
+					addFileViewerPane(workspaceId, {
+						filePath: file.path,
+						diffCategory: category,
+						commitHash,
+						oldPath: file.oldPath,
+						isPinned: false,
+					});
+					invalidateFileContent(file.path);
+				}
+			: undefined;
 
 	// Double click - opens pinned (permanent, won't be replaced)
-	const handleFileOpenPinned = workspaceId
-		? (file: ChangedFile, category: ChangeCategory, commitHash?: string) => {
-				addFileViewerPane(workspaceId, {
-					filePath: file.path,
-					diffCategory: category,
-					commitHash,
-					oldPath: file.oldPath,
-					isPinned: true,
-				});
-			}
-		: undefined;
+	const handleFileOpenPinned =
+		workspaceId && worktreePath
+			? (file: ChangedFile, category: ChangeCategory, commitHash?: string) => {
+					addFileViewerPane(workspaceId, {
+						filePath: file.path,
+						diffCategory: category,
+						commitHash,
+						oldPath: file.oldPath,
+						isPinned: true,
+					});
+					invalidateFileContent(file.path);
+				}
+			: undefined;
 
 	return (
 		<aside className="h-full flex flex-col overflow-hidden">

apps/desktop/src/renderer/stores/tabs/store.ts

@@ -433,6 +433,7 @@ export const useTabsStore = create<TabsStore>()(
 							existingFileViewer.commitHash === options.commitHash;
 
 						if (isSameFile) {
+							// Pin the preview pane
 							set({
 								panes: {
 									...state.panes,