toki 9b7b4e044f refactor: openai usage metrics stream relay with grafana doc update ... - Move usage metrics aggregation to stream layer in edge openai handler - Refactor stream.go to relay usage metrics from node responses - Update grafana doc with new metric structure and dashboard notes - Remove completed G05 plan/code-review artifacts - Archive closed task artifacts		2026-07-14 18:57:43 +09:00
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2026	refactor: openai usage metrics stream relay with grafana doc update	2026-07-14 18:57:43 +09:00