Fixes:
- Added shell:allow-open permission to fix OAuth integration flows
- Added user_id field to ProviderConfig for MSI GenAI CORE ID
- Added UI field for user_id when api_format is msi_genai
- Made userId optional in MSI GenAI requests (only sent if provided)
- Added X-msi-genai-client header to MSI GenAI requests
- Updated CSP to include MSI GenAI domains
- Bumped version to 0.2.6
This fixes:
- OAuth error: 'Command plugin:shell|open not allowed by ACL'
- Missing User ID field in MSI GenAI configuration UI