feat(observability): add request ID correlation middleware [REN-71] - #109
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Add RequestIdMiddleware that generates a UUID per request, binds it to structlog contextvars for automatic inclusion in all log output, and returns it via the X-Request-ID response header. Accepts client-provided X-Request-ID to support distributed tracing across edge nodes and gateway services (OWASP A09 remediation). Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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ARCHitect Review — REN-71 ✅ APPROVEDstructlog contextvars binding, client X-Request-ID propagation, outermost middleware position. Enables distributed tracing. 🤖 Generated with Claude Code |
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Summary
RequestIdMiddlewaregenerating a UUID per request and binding it to structlog contextvars so all log statements automatically includerequest_idX-Request-IDin response headers for client-side correlationX-Request-IDheader to support distributed tracing across edge nodes and gateway (OWASP A09 remediation)request.statefor direct access in route handlersTest plan
X-Request-IDheader with a valid UUIDrequest_idfield automatically (via structlog contextvars)X-Request-IDis echoed back unchangedX-Request-IDgenerates a new UUID (not empty)ruff checkpasses on all changed files🤖 Generated with Claude Code