[Bug] Cant login as different user

[johncrayon]

Describe the Bug

Cant login as different user. User is created via web ui, bud login will fail.

To Reproduce

1. Create new user via web ui, enter mail, name and password.
2. Logout
3. Try login as new user - authentication failed

Expected Behavior

Be able to login as different user

Environment

• VoidLLM version: 0.0.19
• OS: Docker
• Database: SQLite
• Upstream provider: None

Logs

[voidllm-voidllm-1] {"time":"2026-06-04T16:47:03.337438656Z","level":"ERROR","source":{"function":"github.com/voidmind-io/voidllm/internal/api/admin.(*Handler).Login","file":"/app/internal/api/admin/auth.go","line":159},"msg":"login: create api key","error":"create api key: constraint failed: FOREIGN KEY constraint failed (787)","request_id":"019e9387-fc7f-71fb-9b2f-24b93a43fb3c"}

Additional Context

None