[BUG] Subject: Claude Desktop groups sessions from different services under the wrong project

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

Hi Anthropic team,

I'm experiencing an issue with Claude Desktop where sessions created for one service are incorrectly grouped under a different project in the left sidebar.

Environment:

Claude Desktop (latest version)
Windows 11
Working directory: C:\Personale\Develop\Pmc\pmc2-dev-env\services\pmc2-blue-stay-service
Steps to reproduce:

Open Claude Desktop
Click "New session"
Select the folder pmc2-blue-stay-service as the working directory
Start working in the session
Expected behavior:
The new session should appear in the sidebar under a project named pmc2-blue-stay-service.

Actual behavior:
The session is incorrectly grouped under pmc2-customer-care-service in the sidebar, even though the working directory is a completely different service (pmc2-blue-stay-service).

Both services are located under the same parent directory (pmc2-dev-env/services/), which might be causing Claude Desktop to incorrectly associate sessions based on the parent folder rather than the actual selected working directory.

Additional notes:

The .claude/settings.local.json file in pmc2-blue-stay-service contains no project association settings — only permissions.
This makes it impossible to organize sessions by service in the sidebar.
Thank you for looking into this.

What Should Happen?

Hi Anthropic team,

I'm experiencing an issue with Claude Desktop where sessions created for one service are incorrectly grouped under a different project in the left sidebar.

Environment:

Claude Desktop (latest version)
Windows 11
Working directory: C:\Personale\Develop\Pmc\pmc2-dev-env\services\pmc2-blue-stay-service
Steps to reproduce:

Open Claude Desktop
Click "New session"
Select the folder pmc2-blue-stay-service as the working directory
Start working in the session
Expected behavior:
The new session should appear in the sidebar under a project named pmc2-blue-stay-service.

Actual behavior:
The session is incorrectly grouped under pmc2-customer-care-service in the sidebar, even though the working directory is a completely different service (pmc2-blue-stay-service).

Both services are located under the same parent directory (pmc2-dev-env/services/), which might be causing Claude Desktop to incorrectly associate sessions based on the parent folder rather than the actual selected working directory.

Additional notes:

The .claude/settings.local.json file in pmc2-blue-stay-service contains no project association settings — only permissions.
This makes it impossible to organize sessions by service in the sidebar.
Thank you for looking into this.

Error Messages/Logs

Steps to Reproduce

Hi Anthropic team,

I'm experiencing an issue with Claude Desktop where sessions created for one service are incorrectly grouped under a different project in the left sidebar.

Environment:

Claude Desktop (latest version)
Windows 11
Working directory: C:\Personale\Develop\Pmc\pmc2-dev-env\services\pmc2-blue-stay-service
Steps to reproduce:

Open Claude Desktop
Click "New session"
Select the folder pmc2-blue-stay-service as the working directory
Start working in the session
Expected behavior:
The new session should appear in the sidebar under a project named pmc2-blue-stay-service.

Actual behavior:
The session is incorrectly grouped under pmc2-customer-care-service in the sidebar, even though the working directory is a completely different service (pmc2-blue-stay-service).

Both services are located under the same parent directory (pmc2-dev-env/services/), which might be causing Claude Desktop to incorrectly associate sessions based on the parent folder rather than the actual selected working directory.

Additional notes:

The .claude/settings.local.json file in pmc2-blue-stay-service contains no project association settings — only permissions.
This makes it impossible to organize sessions by service in the sidebar.
Thank you for looking into this.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

1.5354

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_