Prompt

Implement distributed tracing across services.

<service_architecture>
{microservices and communication}
</service_architecture>

<observability_needs>
{debugging and monitoring requirements}
</observability_needs>

<tech_stack>
{languages and frameworks}
</tech_stack>

Implement:
1. Tracing framework selection
2. Trace propagation strategy
3. Sampling decisions
4. Storage backend setup
5. Dashboard configuration
6. Alert rule creation