chore: initialize from backend template 0a6dd0e

2026-08-13 20:31:02 +09:00
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+---
+title: Runbook — DOWNLOAD_STREAMING_FAILURE (스트리밍 다운로드 실패)
+category: TRANSIENT_DEPENDENCY
+error_codes: [DOWNLOAD_STREAMING_FAILURE]
+severity: P2
+owner: oncall
+last_updated: 2026-06-15
+status: stub
+---
+
+# Runbook: DOWNLOAD_STREAMING_FAILURE (`runbook://file/download-streaming-failure`)
+
+## Symptoms
+
+- HTTP 503 with `error.code=DOWNLOAD_STREAMING_FAILURE`
+- Streaming response truncated; backpressure or timeout (60s / 100MB limit)
+
+## Diagnosis
+
+- Check streaming response timeout configuration
+- Review download size vs 100MB limit
+
+## Action
+
+- Verify storage backend is reachable
+- Check for network congestion on download path
+
+## Escalation
+
+- Escalate to infra if storage backend is degraded
+
+---
+
+> **Stub**: Phase D2 — author body after domain adoption. (feature-operational-runbook-contract D9)