feat: add server-side quota tracking with DynamoDB (#379)

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- Add dynamo-quota-manager.ts for atomic quota checks using ConditionExpression
- Enforce daily request limit, daily token limit, and TPM limit
- Return 429 with quota details (type, used, limit) when exceeded
- Quota is opt-in: only enabled when DYNAMODB_QUOTA_TABLE env var is set
- Remove client-side quota enforcement (server is now source of truth)
- Simplify use-quota-manager.tsx to only display toasts
- Add @aws-sdk/client-dynamodb dependency

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This commit is contained in:

Dayuan Jiang

2025-12-23 18:36:27 +09:00

committed by GitHub

parent 5ec05eb100

commit 97ae9395cd

6 changed files with 1128 additions and 416 deletions

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