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Enhance services with metrics and structured results #7

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Merged
jongalloway merged 4 commits into from
Feb 27, 2026
Merged

Enhance services with metrics and structured results #7

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16dc0f0
feat: Enhance AtomFeedService with metrics and refactor feed fetching
jongalloway Feb 26, 2026
789731a
Initial plan
Copilot Feb 26, 2026
87c9bce
Address review comments: thread-safe counters, remove redundant await…
Copilot Feb 26, 2026
c01fe8e
Merge pull request #8 from jongalloway/copilot/sub-pr-7
jongalloway Feb 27, 2026
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15 changes: 15 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -171,3 +171,18 @@ Filtering rules and summarization prompts can be modified in:

- `Services/AtomFeedService.cs` - Regex filters for release notes
- `Services/NewsletterService.cs` - AI prompts and generation logic

## GitHub Copilot SDK features used

This project uses the [GitHub.Copilot.SDK](https://www.nuget.org/packages/GitHub.Copilot.SDK) NuGet package and exercises these SDK features:

| Feature | Where | Why |
|-|-|-|
| **Streaming** | All AI sessions (`Streaming = true`) | Enables incremental response delivery; delta events are logged for diagnostics |
| **ReasoningEffort** | All AI sessions (`ReasoningEffort = "low"`) | Summarization prompts don't need deep chain-of-thought; reduces latency |
| **Session hooks** | `OnErrorOccurred`, `OnSessionStart`, `OnSessionEnd` | SDK-level error retry and session lifecycle logging without manual plumbing |
| **PingAsync** | `doctor` command + startup status | Lightweight connectivity check without creating a full session |
| **ListModelsAsync** | Model selection, `list-models` command | Enumerate available models for interactive selection |
| **System messages** | `SystemMessageMode.Replace` on all sessions | Full control over system prompt for editorial tone and output formatting |
| **Event-driven responses** | `AssistantMessageEvent`, `AssistantMessageDeltaEvent`, `SessionIdleEvent`, `SessionErrorEvent` | Collect final responses and streaming deltas via pattern matching |
| **GetAuthStatusAsync** | Startup status table | Display authentication state before generation |
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