`/context` command is not available when connected to Google Vertex AI

Environment

• Platform (select one):
• [ ] Anthropic API
• [ ] AWS Bedrock
• [x] Google Vertex AI
• [ ] Other: <!-- specify -->
• Claude CLI version: 1.0.95 (Claude Code)
• Operating System: macOS 15.6.1
• Terminal: Terminal App

Bug Description

The /context command is missing.

Steps to Reproduce

1. claude
2. /context

Expected Behavior

The /context command should be available.

Actual Behavior

The /context command is missing.

Additional Context

The /context command is available when logged in using a Max plan subscription.