AB-6040 usage_source_unavailable

When it happens

No usage source for this adapter and session type (for example interactive Claude Code without proxy).

Hint

Token usage is unavailable for this session. Enable --meter proxy with an API key, or accept estimate-only reporting.

Troubleshooting

Run agentbus doctor and agentbus trace <message_id>; include the trace_id when asking for support.

See also

• Harness adapters
• Task lifecycle
• CLI
• All error codes