Add Reactive and Avalonia routed samples with Nuke CI

[Skymly]

Summary

• Events.Reactive and RestAPI.Reactive NuGet-based console samples
• Events.Routed Avalonia AttachedRoutedEvent sample (local/desktop only)
• Nuke build.cmd Ci skips Routed; CI runs four console samples

Test plan

• ./build.cmd Ci --configuration Release
• Local: dotnet run --project Observables.Samples.Events.Routed -p:UseLocalObservables=true (optional, GUI)

---

Note

Medium Risk
CI behavior changes materially (Nuke vs direct dotnet build/run), and the Nuke host targets net10.0 while the workflow only installs .NET 8, which may break Actions unless a 10 SDK is present globally.

Overview
Adds System.Reactive console samples for Observables.Events.Reactive and Observables.RestAPI.Reactive, plus an Avalonia desktop sample for AttachedRoutedEvent / <ObservableRoutedEvents>. Shared MSBuild wiring introduces EventsReactive and RestAPIReactive sample kinds (NuGet and local generator paths).

CI no longer builds the whole solution and runs two projects inline; it runs the Nuke Ci target via build/_build.csproj, which builds and executes the four console samples with UseLocalObservables=false and omits Observables.Samples.Events.Routed. Docs and the solution file list the new projects; build.cmd and .nuke schema/parameters support the Nuke entrypoint.

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Autofix Details

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Batch bootstrap on Ubuntu runner
  • Updated the Ubuntu workflow to invoke the Nuke project directly with dotnet instead of executing the Windows-only build.cmd bootstrap.

Or push these changes by commenting:

@cursor push 5364529374

Preview (5364529374)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,6 +20,6 @@
           dotnet-version: 8.0.x
 
       - name: Build and run CI samples via Nuke (skips Avalonia Routed)
-        run: ./build.cmd Ci --configuration Release
+        run: dotnet run --project build/_build.csproj -- Ci --configuration Release
         env:
           UseLocalObservables: "false"

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: CI exclusion property unused
  • Nuke now reads each sample project's ObservablesExcludeFromCi property to decide CI exclusions instead of relying on the hard-coded Routed path substring.

Or push these changes by commenting:

@cursor push feebdb1d6e

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^{Reviewed by Cursor Bugbot for commit 310a77a. Configure here.}

[cursor]

CI exclusion property unused

Medium Severity

ObservablesExcludeFromCi is documented and set on the Avalonia sample, but Nuke never reads it. CI skips Events.Routed only because GetProjectsForCi hard-codes a path substring, so other GUI projects would still be built on headless agents.

Additional Locations (1)

• Observables.Samples.Events.Routed/Observables.Samples.Events.Routed.csproj#L12-L13

 

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