tech-log-backend/docs/runbooks/auth-token-malformed.md

title, category, error_codes, severity, owner, last_updated, status

title	category	error_codes	severity	owner	last_updated	status
Runbook — AUTH_TOKEN_MALFORMED (토큰 파싱 실패)	AUTH	AUTH_TOKEN_MALFORMED	P3	oncall	2026-06-15	stub

Runbook: AUTH_TOKEN_MALFORMED (runbook://auth/token-malformed)

Symptoms

• HTTP 401 responses with error.code=AUTH_TOKEN_MALFORMED
• Token present but fails JWT parse (not 3-part, non-base64, etc.)

Diagnosis

• Inspect raw Authorization header value in logs
• Check if token generation tooling has a bug

Action

• Identify source of malformed tokens
• Fix or update client token generation

Escalation

• Escalate if spike suggests infrastructure issue

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Stub: Phase D2 — author body after domain adoption. (feature-operational-runbook-contract D9)