[lesnik512]

Summary

• Clarify when metrics-only OpenTelemetry records spans, who owns instrumentor cleanup, and where the health-check setting affects HTTP metrics.
• Document Sentry callback ordering and the FastMCP metric label change for hashed tool aliases.
• Document FastStream middleware protocol runtime checks and distinguish ASGI lifespan teardown from manual teardown.

Verification

• just docs-build (strict MkDocs build)
• git diff --check