diff --git a/lana/src/codelenses/ShowAnalysisCodeLens.ts b/lana/src/codelenses/ShowAnalysisCodeLens.ts
index f215820f..91d37555 100644
--- a/lana/src/codelenses/ShowAnalysisCodeLens.ts
+++ b/lana/src/codelenses/ShowAnalysisCodeLens.ts
@@ -2,7 +2,7 @@ import { CodeLens, Range, languages, type CodeLensProvider, type TextDocument }
 
 import type { Context } from '../Context.js';
 import { ShowLogAnalysis } from '../commands/ShowLogAnalysis.js';
-import { isApexLogContent } from '../language/ApexLogLanguageDetector.js';
+import { APEX_LOG_URI_SCHEMES, isApexLogContent } from '../language/ApexLogLanguageDetector.js';
 
 class ShowAnalysisCodeLens implements CodeLensProvider {
   context: Context;
@@ -28,11 +28,11 @@ class ShowAnalysisCodeLens implements CodeLensProvider {
   }
 
   static apply(context: Context): void {
-    const docSelector = [
-      { scheme: 'file', language: 'apexlog' },
-      { scheme: 'file', pattern: '**/*.log' },
-      { scheme: 'file', pattern: '**/*.txt' },
-    ];
+    const docSelector = APEX_LOG_URI_SCHEMES.flatMap((scheme) => [
+      { scheme, language: 'apexlog' },
+      { scheme, pattern: '**/*.log' },
+      { scheme, pattern: '**/*.txt' },
+    ]);
 
     const codeLensProviderDisposable = languages.registerCodeLensProvider(
       docSelector,
diff --git a/lana/src/codelenses/__tests__/ShowAnalysisCodeLens.test.ts b/lana/src/codelenses/__tests__/ShowAnalysisCodeLens.test.ts
new file mode 100644
index 00000000..93765430
--- /dev/null
+++ b/lana/src/codelenses/__tests__/ShowAnalysisCodeLens.test.ts
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2026 Certinia Inc. All rights reserved.
+ */
+import { languages } from 'vscode';
+
+import type { Context } from '../../Context.js';
+import { APEX_LOG_URI_SCHEMES } from '../../language/ApexLogLanguageDetector.js';
+import { ShowAnalysisCodeLens } from '../ShowAnalysisCodeLens.js';
+
+describe('ShowAnalysisCodeLens.apply', () => {
+  it('registers log selectors for every supported workspace scheme', () => {
+    const subscriptions: { dispose(): void }[] = [];
+    const context = { context: { subscriptions } } as unknown as Context;
+
+    ShowAnalysisCodeLens.apply(context);
+
+    expect(languages.registerCodeLensProvider).toHaveBeenCalledWith(
+      APEX_LOG_URI_SCHEMES.flatMap((scheme) => [
+        { scheme, language: 'apexlog' },
+        { scheme, pattern: '**/*.log' },
+        { scheme, pattern: '**/*.txt' },
+      ]),
+      expect.any(ShowAnalysisCodeLens),
+    );
+    expect(subscriptions).toHaveLength(1);
+  });
+});
diff --git a/lana/src/display/OpenFileInPackage.ts b/lana/src/display/OpenFileInPackage.ts
index 6ef2c762..482ee747 100644
--- a/lana/src/display/OpenFileInPackage.ts
+++ b/lana/src/display/OpenFileInPackage.ts
@@ -1,14 +1,7 @@
 /*
  * Copyright (c) 2020 Certinia Inc. All rights reserved.
  */
-import {
-  Position,
-  Selection,
-  ViewColumn,
-  workspace,
-  type TextDocumentShowOptions,
-  type Uri,
-} from 'vscode';
+import { Position, Selection, ViewColumn, workspace, type TextDocumentShowOptions } from 'vscode';
 import { Utils } from 'vscode-uri';
 
 import type { Context } from '../Context.js';
@@ -51,7 +44,7 @@ export class OpenFileInPackage {
         selection: new Selection(pos, pos),
       };
 
-      context.display.showFile(uri.fsPath, options);
+      context.display.showFile(uri, options);
     } catch (err) {
       const message = err instanceof Error ? err.message : String(err);
       context.display.showErrorMessage(`Unable to open '${symbolName}': ${message}`);
diff --git a/lana/src/display/QuickPickWorkspace.ts b/lana/src/display/QuickPickWorkspace.ts
index 7a84c270..8fb07054 100644
--- a/lana/src/display/QuickPickWorkspace.ts
+++ b/lana/src/display/QuickPickWorkspace.ts
@@ -14,12 +14,12 @@ export class QuickPickWorkspace {
 
     if (workspaceFolders.length > 1) {
       const [workspace] = await QuickPick.pick(
-        workspaceFolders.map((ws) => new Item(ws.name(), ws.path(), '')),
+        workspaceFolders.map((ws) => new Item(ws.name(), ws.uri, '')),
         new Options('Select a workspace:'),
       );
 
       if (workspace) {
-        const selectedWs = workspaceFolders.find((ws) => ws.path() === workspace.description);
+        const selectedWs = workspaceFolders.find((ws) => ws.uri === workspace.description);
         if (!selectedWs) {
           throw new Error('Selected workspace not found');
         }
diff --git a/lana/src/display/__tests__/OpenFileInPackage.test.ts b/lana/src/display/__tests__/OpenFileInPackage.test.ts
index 194bee7d..4b4b12b9 100644
--- a/lana/src/display/__tests__/OpenFileInPackage.test.ts
+++ b/lana/src/display/__tests__/OpenFileInPackage.test.ts
@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2025 Certinia Inc. All rights reserved.
  */
-import { workspace } from 'vscode';
+import { Uri, workspace } from 'vscode';
 import type { Context } from '../../Context';
 import { getMethodLine, parseApex } from '../../salesforce/ApexParser/ApexSymbolLocator';
 import { OpenFileInPackage } from '../OpenFileInPackage';
@@ -79,9 +79,10 @@ describe('OpenFileInPackage.openFileForSymbol', () => {
 
   it('opens the file at the resolved line and character on an exact match', async () => {
     const { context, workspaceManager, display } = createContext();
+    const uri = Uri.parse('vscode-vfs://github/workspace/force-app/MyClass.cls');
     workspaceManager.findSymbol.mockResolvedValue({
       status: 'found',
-      uri: { fsPath: '/ws/force-app/MyClass.cls', path: '/ws/force-app/MyClass.cls' },
+      uri,
     });
     mockGetMethodLine.mockReturnValue({ line: 12, character: 4, isExactMatch: true });
 
@@ -93,8 +94,11 @@ describe('OpenFileInPackage.openFileForSymbol', () => {
     );
     expect(display.showErrorMessage).not.toHaveBeenCalled();
     expect(display.showFile).toHaveBeenCalledTimes(1);
-    const [path, options] = display.showFile.mock.calls[0];
-    expect(path).toBe('/ws/force-app/MyClass.cls');
+    const [openedUri, options] = display.showFile.mock.calls[0];
+    expect(openedUri).toBe(uri);
+    expect(openedUri).toEqual(
+      expect.objectContaining({ scheme: 'vscode-vfs', authority: 'github' }),
+    );
     // line is converted to zero-indexed; character used as-is
     expect(options.selection.start).toEqual(expect.objectContaining({ line: 11, character: 4 }));
     expect(options.viewColumn).toBe(-1);
diff --git a/lana/src/display/__tests__/QuickPickWorkspace.test.ts b/lana/src/display/__tests__/QuickPickWorkspace.test.ts
new file mode 100644
index 00000000..817f4125
--- /dev/null
+++ b/lana/src/display/__tests__/QuickPickWorkspace.test.ts
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2026 Certinia Inc. All rights reserved.
+ */
+import type { Context } from '../../Context.js';
+import type { VSWorkspace } from '../../workspace/VSWorkspace.js';
+import { QuickPick } from '../QuickPick.js';
+import { QuickPickWorkspace } from '../QuickPickWorkspace.js';
+
+function workspace(name: string, uri: string): VSWorkspace {
+  return {
+    name: () => name,
+    uri,
+    path: jest.fn(() => {
+      throw new Error('desktop path must not be read');
+    }),
+  } as unknown as VSWorkspace;
+}
+
+describe('QuickPickWorkspace.pickOrReturn', () => {
+  afterEach(() => {
+    jest.restoreAllMocks();
+  });
+
+  it('displays and matches multi-root workspaces by URI', async () => {
+    const local = workspace('Local', 'file:///workspace/local');
+    const virtual = workspace('Virtual', 'vscode-vfs://github/project/root');
+    const pick = jest.spyOn(QuickPick, 'pick').mockImplementation(async (items) => {
+      expect(items.map((item) => item.description)).toEqual([local.uri, virtual.uri]);
+      return [items[1]!];
+    });
+    const context = {
+      workspaceManager: { workspaceFolders: [local, virtual] },
+    } as unknown as Context;
+
+    await expect(QuickPickWorkspace.pickOrReturn(context)).resolves.toBe(virtual);
+    expect(pick).toHaveBeenCalledTimes(1);
+    expect(local.path).not.toHaveBeenCalled();
+    expect(virtual.path).not.toHaveBeenCalled();
+  });
+});
diff --git a/lana/src/language/ApexLogLanguageDetector.ts b/lana/src/language/ApexLogLanguageDetector.ts
index 4a4160e8..44cdce7c 100644
--- a/lana/src/language/ApexLogLanguageDetector.ts
+++ b/lana/src/language/ApexLogLanguageDetector.ts
@@ -20,6 +20,7 @@ const EXECUTION_STARTED = /^\d{2}:\d{2}:\d{2}\.\d{1,} \(\d+\)\|EXECUTION_STARTED
 const USER_INFO = /^\d{2}:\d{2}:\d{2}\.\d{1,} \(\d+\)\|USER_INFO\|/;
 const DETECT_EXTENSIONS = new Set(['.log', '.txt']);
 const MAX_LINES_TO_CHECK = 100;
+export const APEX_LOG_URI_SCHEMES: readonly string[] = ['file', 'vscode-vfs', 'memfs'];
 
 export function isApexLogContent(doc: TextDocument): boolean {
   if (doc.lineCount === 0) {
@@ -71,9 +72,8 @@ function getActiveTabUri(): Uri | undefined {
 
 function updateContextKey(): void {
   const editor = window.activeTextEditor;
-  const supportedSchemes = ['file', 'vscode-vfs', 'memfs'];
 
-  if (editor && supportedSchemes.includes(editor.document.uri.scheme)) {
+  if (editor && APEX_LOG_URI_SCHEMES.includes(editor.document.uri.scheme)) {
     const doc = editor.document;
     if (hasDetectExtension(doc.uri)) {
       const detected = isApexLogContent(doc);
@@ -86,7 +86,7 @@ function updateContextKey(): void {
 
   // Fallback to tab API for large files where activeTextEditor is undefined
   const tabUri = getActiveTabUri();
-  if (tabUri && supportedSchemes.includes(tabUri.scheme) && hasDetectExtension(tabUri)) {
+  if (tabUri && APEX_LOG_URI_SCHEMES.includes(tabUri.scheme) && hasDetectExtension(tabUri)) {
     // isApexLogFile is async; fire-and-forget is acceptable here for context key update
     void isApexLogFile(tabUri).then((detected) => {
       commands.executeCommand('setContext', 'lana.isApexLog', detected);
@@ -128,8 +128,7 @@ export class ApexLogLanguageDetector {
 }
 
 function detectAndSetLanguage(doc: TextDocument): void {
-  const supportedSchemes = ['file', 'vscode-vfs', 'memfs'];
-  if (doc.languageId === 'apexlog' || !supportedSchemes.includes(doc.uri.scheme)) {
+  if (doc.languageId === 'apexlog' || !APEX_LOG_URI_SCHEMES.includes(doc.uri.scheme)) {
     return;
   }
 
diff --git a/lana/src/salesforce/codesymbol/__tests__/SfdxProjectReader.test.ts b/lana/src/salesforce/codesymbol/__tests__/SfdxProjectReader.test.ts
index 2ed47cd8..216d5ad5 100644
--- a/lana/src/salesforce/codesymbol/__tests__/SfdxProjectReader.test.ts
+++ b/lana/src/salesforce/codesymbol/__tests__/SfdxProjectReader.test.ts
@@ -2,7 +2,6 @@
  * Copyright (c) 2025 Certinia Inc. All rights reserved.
  */
 import { RelativePattern, Uri, workspace, type WorkspaceFolder } from 'vscode';
-import { Utils } from 'vscode-uri';
 import { getProjects } from '../SfdxProjectReader';
 
 jest.mock('vscode');
diff --git a/log-viewer/src/features/app/LogViewer.ts b/log-viewer/src/features/app/LogViewer.ts
index 0d0a1fef..7dcb4719 100644
--- a/log-viewer/src/features/app/LogViewer.ts
+++ b/log-viewer/src/features/app/LogViewer.ts
@@ -126,9 +126,12 @@ export class LogViewer extends LitElement {
 
   constructor() {
     super();
-    vscodeMessenger.request<LogDataEvent>('fetchLog').then((msg) => {
-      this._handleLogFetch(msg);
-    });
+    vscodeMessenger
+      .request<LogDataEvent>('fetchLog')
+      .then((msg) => this._handleLogFetch(msg))
+      .catch((error: unknown) => {
+        this.logProblems = [this._logRequestError(error)];
+      });
 
     document.addEventListener('show-tab', (e: Event) => {
       this._showTabEvent(e);
@@ -285,6 +288,18 @@ export class LogViewer extends LitElement {
     }
   }
 
+  private _logRequestError(error: unknown): LogIssue {
+    return {
+      summary: 'Could not load log',
+      message: error instanceof Error ? error.message : String(error),
+      severity: 'error',
+      label: null,
+      action: null,
+      category: null,
+      timestamp: null,
+    };
+  }
+
   /**
    * Reads the log, returning the failure as a {@link LogIssue} rather than publishing it —
    * the caller owns `logProblems` so it can rebuild the list for each load.
diff --git a/log-viewer/src/features/app/__tests__/LogViewer.test.ts b/log-viewer/src/features/app/__tests__/LogViewer.test.ts
new file mode 100644
index 00000000..841241a0
--- /dev/null
+++ b/log-viewer/src/features/app/__tests__/LogViewer.test.ts
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2026 Certinia Inc. All rights reserved.
+ *
+ * @jest-environment jsdom
+ */
+import { describe, expect, it } from '@jest/globals';
+
+jest.mock('../../../core/messaging/VSCodeExtensionMessenger.js', () => ({
+  VSCodeExtensionMessenger: {
+    listen: jest.fn(() => jest.fn()),
+  },
+  vscodeMessenger: {
+    request: jest.fn(() => Promise.reject(new Error('No extension host to answer "fetchLog"'))),
+  },
+}));
+
+jest.mock('../AppHeader.js', () => ({}));
+jest.mock('../../../components/LogInspector.js', () => ({}));
+
+import { vscodeMessenger } from '../../../core/messaging/VSCodeExtensionMessenger.js';
+import { LogViewer } from '../LogViewer.js';
+
+const requestMock = vscodeMessenger.request as jest.Mock;
+
+describe('LogViewer', () => {
+  it('surfaces a fetchLog request failure', async () => {
+    const viewer = new LogViewer();
+
+    await Promise.resolve();
+    await Promise.resolve();
+
+    expect(requestMock).toHaveBeenCalledWith('fetchLog');
+    expect(viewer.logProblems).toEqual([
+      expect.objectContaining({
+        summary: 'Could not load log',
+        message: 'No extension host to answer "fetchLog"',
+        severity: 'error',
+      }),
+    ]);
+  });
+});