feat: add billing expression system documentation and enhance tiered billing logic

- Introduced a new rule for the Billing Expression System, emphasizing the importance of reading `pkg/billingexpr/expr.md` for dynamic billing.
- Updated the billing expression logic to support new variables and improved handling of image and audio tokens.
- Enhanced the tiered billing functionality with versioning support for expressions and refined quota calculations.
- Added tests to validate the new billing expression features and ensure correctness in pricing calculations.
This commit is contained in:
CaIon
2026-03-17 15:29:43 +08:00
parent 5b03b39db2
commit c5405b2a12
27 changed files with 894 additions and 578 deletions
+8
View File
@@ -1071,6 +1071,14 @@ func buildUsageFromGeminiMetadata(metadata dto.GeminiUsageMetadata, fallbackProm
usage.PromptTokensDetails.TextTokens += detail.TokenCount
}
}
for _, detail := range metadata.CandidatesTokensDetails {
switch detail.Modality {
case "IMAGE":
usage.CompletionTokenDetails.ImageTokens += detail.TokenCount
case "AUDIO":
usage.CompletionTokenDetails.AudioTokens += detail.TokenCount
}
}
if usage.TotalTokens > 0 && usage.CompletionTokens <= 0 {
usage.CompletionTokens = usage.TotalTokens - usage.PromptTokens