Test script to validate KRX API connectivity and data persistence:
- 5 iterations with 2-second rate limit spacing
- Saves successful responses to market_data.krx_imports
- Verifies reliability (3/5 threshold)
- Uses correct AUTH_KEY header format per KRX API spec
Current status: KRX API endpoint returning 404/timeout
- /svc/apis/idx/krx_dd_trd (production) — not found
- /svc/sample/apis/idx/krx_dd_trd (sample) — not found
- Root cause: External KRX server currently unreachable
Next step: Use KrxDataService stub data fallback (already implemented)
Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>
kjh2064
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