diff --git a/src/main/utils/metadataExtraction.ts b/src/main/utils/metadataExtraction.ts
index e43c80d..92777f6 100644
--- a/src/main/utils/metadataExtraction.ts
+++ b/src/main/utils/metadataExtraction.ts
@@ -9,6 +9,8 @@ import * as readline from 'readline';
 import { LocalFileSystemProvider } from '../services/infrastructure/LocalFileSystemProvider';
 import { type ChatHistoryEntry, isTextContent, type UserEntry } from '../types';
 
+import { translateWslMountPath } from './pathDecoder';
+
 import type { FileSystemProvider } from '../services/infrastructure/FileSystemProvider';
 
 const logger = createLogger('Util:metadataExtraction');
@@ -59,7 +61,7 @@ export async function extractCwd(
       if ('cwd' in entry && entry.cwd) {
         rl.close();
         fileStream.destroy();
-        return normalizeDriveLetter(entry.cwd);
+        return normalizeDriveLetter(translateWslMountPath(entry.cwd));
       }
     }
   } catch (error) {
diff --git a/src/main/utils/pathDecoder.ts b/src/main/utils/pathDecoder.ts
index e889a8b..7f82dbe 100644
--- a/src/main/utils/pathDecoder.ts
+++ b/src/main/utils/pathDecoder.ts
@@ -69,7 +69,10 @@ export function decodePath(encodedName: string): string {
   }
 
   // Ensure leading slash for POSIX-style absolute paths
-  return decodedPath.startsWith('/') ? decodedPath : `/${decodedPath}`;
+  const absolutePath = decodedPath.startsWith('/') ? decodedPath : `/${decodedPath}`;
+
+  // Translate WSL mount paths to Windows drive-letter paths on Windows
+  return translateWslMountPath(absolutePath);
 }
 
 /**
@@ -91,6 +94,23 @@ export function extractProjectName(encodedName: string, cwdHint?: string): strin
   return segments[segments.length - 1] || encodedName;
 }
 
+/**
+ * Translate WSL mount paths (/mnt/X/...) to Windows drive-letter paths (X:/...)
+ * when running on Windows. No-op on other platforms.
+ */
+export function translateWslMountPath(posixPath: string): string {
+  if (process.platform !== 'win32') {
+    return posixPath;
+  }
+  const match = /^\/mnt\/([a-zA-Z])(\/.*)?$/.exec(posixPath);
+  if (match) {
+    const drive = match[1].toUpperCase();
+    const rest = match[2] ?? '';
+    return `${drive}:${rest}`;
+  }
+  return posixPath;
+}
+
 // =============================================================================
 // Validation
 // =============================================================================
diff --git a/vitest.config.ts b/vitest.config.ts
index 50338e8..b5d338e 100644
--- a/vitest.config.ts
+++ b/vitest.config.ts
@@ -5,6 +5,7 @@ export default defineConfig({
   test: {
     globals: true,
     environment: 'happy-dom',
+    testTimeout: 15000,
     setupFiles: ['./test/setup.ts'],
     include: ['test/**/*.test.ts'],
     coverage: {