The original title is: "AI Agent Observability Runs on Conversation IDs | Focused Labs"

Short summary

Agent observability fails when it only captures model calls and ignores the actual work agents cause—tool invocations, database queries, service calls. The conversation ID is the critical linking mechanism across distributed spans and services. Mint it at system boundaries, propagate it everywhere, establish export contracts, and ensure sampling doesn't drop causal roots.

• •Conversation IDs must be minted at system boundaries where the product understands the interaction, not fabricated downstream
• •Propagate conversation IDs through all agent spans, tool calls, HTTP requests, database operations, and queue jobs
• •Establish observability as an infrastructure contract with agreed-upon sampling, redaction, and ownership across all services

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