This commit fixes a critical security issue where multiple concurrent demo
sessions would see each other's data due to sharing the same demo user IDs.
## The Problem:
When two enterprise demo sessions run simultaneously:
- Session A: user_id=Director, tenants=[parent_A, child_A1, child_A2]
- Session B: user_id=Director, tenants=[parent_B, child_B1, child_B2]
The endpoint /api/v1/tenants/user/{user_id}/tenants was querying by user_id
only, so Session A would see BOTH its own tenants AND Session B's tenants!
## The Solution:
Added demo_session_id filtering to get_user_tenants endpoint:
- For demo sessions, use get_virtual_tenants_for_session(demo_session_id)
- This filters tenants by the demo_session_id field (set during cloning)
- Each session now sees ONLY its own virtual tenants
## Implementation:
services/tenant/app/api/tenants.py (lines 180-194):
- Check if user is_demo
- Extract demo_session_id from current_user context (set by gateway)
- Call get_virtual_tenants_for_session() instead of get_user_tenants()
- This method filters by: demo_session_id + is_active + account_type
## Database Schema:
The tenants table has a demo_session_id column (indexed) that links
each virtual tenant to its specific demo session. This is set during
tenant cloning in internal_demo.py.
## Impact:
✅ Complete isolation between concurrent demo sessions
✅ Users only see their own session's data
✅ No performance impact (demo_session_id is indexed)
✅ Backward compatible (non-demo users unchanged)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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