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feat(billing): 引入 billing v3 settlement snapshot 及 usage_billing_facts 视图

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- 新增迁移 20260424000000：为 usage_settlement_snapshots 添加 settlement_snapshot、
  billing_dimensions、billing_input/output/cache tokens、billing_total_cost_usd 等列，
  并创建 usage_billing_facts 视图（从 settlement snapshot 覆盖原始 usage token/cost 字段）
- event_enrichment：构建结构化 settlement_snapshot（含 pricing_snapshot、billing_plan_snapshot、
  resolved_dimensions、cost_breakdown 等），写入 request_metadata
- pricing：新增 pricing_source() 方法区分 provider_override / global_default / unpriced
- sql.rs：settlement snapshot 写入新列；用量汇总查询改用 usage_billing_facts 视图
- maintenance/runtime：所有统计查询的 FROM usage 替换为 FROM usage_billing_facts
- admin observability：在 settlement 响应中暴露 settlement_snapshot / billing_dimensions，
  并从 metadata 中剥离对应字段
- request_metadata：允许 settlement_snapshot / billing_dimensions 字段传播
- stream execution：在首个数据帧到达时记录 TTFB，补全流式请求的 streaming 事件
This commit is contained in:
fawney19
2026-04-24 17:52:33 +08:00
parent fb46fcd80f
commit f695238e8a
11 changed files with 1970 additions and 197 deletions
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6
crates/aether-usage-runtime/src/request_metadata.rs
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@@ -75,6 +75,9 @@ fn copy_allowed_metadata_fields(source: &Map<String, Value>, target: &mut Map<St
copy_non_null_value(source, target, "billing_snapshot");
copy_non_empty_string(source, target, "billing_snapshot_schema_version");
copy_non_empty_string(source, target, "billing_snapshot_status");
copy_non_null_value(source, target, "settlement_snapshot");
copy_non_empty_string(source, target, "settlement_snapshot_schema_version");
copy_non_null_value(source, target, "billing_dimensions");
copy_non_empty_string(source, target, "model_id");
copy_non_empty_string(source, target, "global_model_id");
copy_non_empty_string(source, target, "global_model_name");
@@ -100,6 +103,9 @@ fn move_allowed_metadata_fields(mut source: Map<String, Value>, target: &mut Map
remove_non_null_value(&mut source, target, "billing_snapshot");
remove_non_empty_string(&mut source, target, "billing_snapshot_schema_version");
remove_non_empty_string(&mut source, target, "billing_snapshot_status");
remove_non_null_value(&mut source, target, "settlement_snapshot");
remove_non_empty_string(&mut source, target, "settlement_snapshot_schema_version");
remove_non_null_value(&mut source, target, "billing_dimensions");
remove_non_empty_string(&mut source, target, "model_id");
remove_non_empty_string(&mut source, target, "global_model_id");
remove_non_empty_string(&mut source, target, "global_model_name");