kimjaehyeon0101 a782b82993 Fix critical issues in the media platform's auction and API systems
Addresses race conditions in bid placement using transactions and SELECT FOR UPDATE, and corrects incorrect HTTP status codes for validation errors from 500 to appropriate client error codes (e.g., 400).

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: aabe2db1-f078-4501-aab5-be145ebc6b9a
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/3df548ff-50ae-432f-9be4-25d34eccc983/aabe2db1-f078-4501-aab5-be145ebc6b9a/TqVS1Ec
2025-10-12 08:26:05 +00:00
2025-10-12 08:23:30 +00:00
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226 MiB
Languages
JavaScript 62.9%
TypeScript 32.6%
HTML 4.1%
CSS 0.4%