Snippets

csharp

Complete, checked snippets in this language.

csharp

Ingest live audio over WebSocket

A complete ASP.NET Core endpoint that authenticates a native helper WebSocket before accepting binary PCM frames.

Compiled on .NET 10 with warnings as errors and run through the non-WebSocket bad-request, missing-subprotocol unauthorized, valid-subprotocol upgrade, failed-upgrade gate release, and oversized-message close paths

csharp

Convert capture buffers to 16 kHz PCM

A complete C# audio converter that turns native capture buffers into 16 kHz, mono, signed 16-bit PCM frames for live speech recognition.

Compiled on .NET 10 with warnings as errors and run with generated stereo float audio split across many small buffers, verifying no boundary-sized dropout.

csharp

Host a loopback helper API

A complete ASP.NET Core loopback host and router for a native helper's pairing and capture contract.

Compiled on .NET 10 with warnings as errors, run against the health route, and verified StartAsync returns before StopAsync stops the host

csharp

Call Azure OpenAI for a meeting summary

A complete C# provider that sends a transcript to Azure OpenAI chat completions and returns structured meeting-summary text.

Compiled on .NET 10 with warnings as errors and run against missing configuration, invalid endpoint, and empty-provider-response paths without a network call

csharp

OpenTelemetry and Azure Monitor setup for an agent API

A complete, runnable ASP.NET Core 10 program: W3C tracing, the agent's spans, trusted baggage, whole-trace sampling, and the trace ID returned to the caller.

Compiled with warnings as errors and run: the API continued caller trace context, cleared caller baggage before outbound HTTP, generated the conversation ID server-side, and configured the service resource after Azure Monitor.

csharp

Copy only trusted baggage onto spans

A complete OpenTelemetry processor that tags child spans with your own conversation ID and ignores whatever the caller sent.

Compiled on .NET 10 with warnings as errors