fix: include underscore in path normalization regex

src/claude/utils/path.test.ts

@@ -38,6 +38,12 @@ describe('getProjectPath', () => {
         expect(result).toBe(join('/home/user', '.claude', 'projects', '-var-www-my-site-com-public'));
     });
 
+    it('should replace underscores with hyphens in the project path', () => {
+        const workingDir = '/var/www/test__underscore';
+        const result = getProjectPath(workingDir);
+        expect(result).toBe(join('/home/user', '.claude', 'projects', '-var-www-test--underscore'));
+    });
+
     it('should handle relative paths by resolving them first', () => {
         const workingDir = './my-project';
         const result = getProjectPath(workingDir);
@@ -86,4 +92,4 @@ describe('getProjectPath', () => {
             expect(result).toBe(join('/custom/claude/config/', 'projects', '-Users-steve-projects-my-app'));
         });
     });
-});
+});

src/claude/utils/path.ts

@@ -2,7 +2,7 @@ import { homedir } from "node:os";
 import { join, resolve } from "node:path";
 
 export function getProjectPath(workingDirectory: string) {
-    const projectId = resolve(workingDirectory).replace(/[\\\/\.:]/g, '-');
+    const projectId = resolve(workingDirectory).replace(/[\\\/\.:_]/g, '-');
     const claudeConfigDir = process.env.CLAUDE_CONFIG_DIR || join(homedir(), '.claude');
     return join(claudeConfigDir, 'projects', projectId);
 }