Tag: observability

Send GitHub Copilot app agent traces, token metrics and events to your own OTLP collector with the telemetry block in enterprise managed settings. Covers every telemetry key, the six content-capture classes, delivery via .github-private, MDM or a root-owned file, channel precedence, a collector config with bearer auth, and the gotchas that make exports silently go nowhere.

Aspire 13.6.0 makes the dashboard persistent: resource snapshots and telemetry go into a SQLite database, the AppHost keeps up to ten runs per application, and completed runs stay browsable read-only. Here is how the Run, Resume, and None modes work and how to configure the standalone dashboard.

OpenTelemetry 1.19.0 switched its wildcard source regex to RegexOptions.NonBacktracking, which throws on net8.0 once you register enough sources. 1.19.1, released on September 21, 2026, goes back to a compiled regex with a match timeout.

A BeginScope middleware misses the exception handler's error log and the Request finished line. Register an ILogEnricher that reads the user from IHttpContextAccessor, open a scope only when work leaves the request, and watch out for Serilog's AddSerilog silently cancelling enrichment.

By default a headless Claude Code run emits only tool_use and tool_result blocks from its subagents, so the delegated reasoning is invisible. Pass --forward-subagent-text (Claude Code 2.1.211+) to get subagent text and thinking in the stream-json output, and demultiplex it by parent_tool_use_id.

A step-by-step guide to converting $-interpolated ILogger calls into message templates and [LoggerMessage] source-generated methods on .NET 11: what breaks, how to sweep a codebase with CA2254, how to verify the JSON state, and how to roll back.

Cursor 3.11 (July 10, 2026) lets cloud agents run hooks that see the conversation itself. Wire up beforeSubmitPrompt, afterAgentThought, afterAgentResponse, and subagentStart in .cursor/hooks.json to log every prompt, thinking block, and delegated task, then gate the risky ones.

A step-by-step guide to moving a .NET 11 app off Serilog and onto OpenTelemetry logging: the low-risk Serilog.Sinks.OpenTelemetry bridge, the full Microsoft.Extensions.Logging cut-over, what breaks, how to verify, and how to roll back.

Wire OpenTelemetry traces, metrics, and logs into a .NET 11 ASP.NET Core app with the OTLP exporter, then ship them to a free, self-hosted backend: the standalone Aspire Dashboard for local dev, Jaeger and SigNoz for self-hosted production, and the OpenTelemetry Collector when you need both.

ASP.NET Core in .NET 11 Preview 2 adds OpenTelemetry semantic attributes directly to HTTP server activity, removing the need for OpenTelemetry.Instrumentation.AspNetCore.