[BUG] Repeated session crashes/aborts when processing meeting notes with subagent

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?

## Description
Claude Code sessions repeatedly abort/crash when processing meeting notes using the meeting-note-processor subagent. This has happened multiple times in a row, making it impossible to complete work.

## Actual Behavior
Session terminates unexpectedly with no error message. When reconnecting, Claude has no memory of the previous session. Claude is able to process the call transcripts without the subagent.

## Environment

• Claude Code version: 2.1.23
• OS: macOS 15.6.1
• RAM: 32 GB
• MCP servers: Atlassian, Gmail, Obsidian
• Using subagents: meeting-note-processor

## Additional Context

• Happens consistently when processing meeting transcripts
• No crash logs found in ~/Library/Logs/DiagnosticReports/
• Main log (~/Library/Logs/Claude/main.log) shows no obvious errors
• This is blocking critical workflow for meeting note processing

## Impact
Medium - Cannot complete job duties without reliable transcript processing and not using a subagent fills my context window.

What Should Happen?

## Expected Behavior
The subagent should complete processing the transcript and create/update notes without crashing.

Error Messages/Logs

No logs.  System says Aborted() and then presents a blank screen that I have to Ctrl-C out of.

Steps to Reproduce

## Steps to Reproduce

1. Start Claude Code in Obsidian vault
2. Ask Claude to process a call transcript from inbox using a subagent
3. Session aborts mid-processing

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

2.1.21

Claude Code Version

2.1.23

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

iTerm2

Additional Information

Here is the subagent:
meeting-note-processor.md