feat(embedded-assistant): add a C# example using WPF

[Zoltan Hricz (hriczzoli)]

• this adds a new C# WPF example to the embedded-assistant examples

[Copilot]

Pull request overview

Adds a new C# WPF + WebView2 embedded-assistant example that hosts @corti/embedded-web, authenticates via Corti auth, creates an interaction, and navigates into a session.

Changes:

• Introduces a Vite-built WebAssets shell (HTML + TS bootstrap) for hosting the embedded assistant inside WebView2.
• Adds WPF app wiring (WebView2 initialization, host ↔ web messaging, permissions) plus Corti settings/auth services driven by a local .env.
• Adds build plumbing to copy WebAssets/dist into the app output and documents setup/run steps.

Reviewed changes

Copilot reviewed 18 out of 19 changed files in this pull request and generated 14 comments.

Show a summary per file

File	Description
embedded-assistant/c#-wpf/WebAssets/vite.config.js	Vite build output configuration for producing dist/ assets.
embedded-assistant/c#-wpf/WebAssets/tsconfig.json	TypeScript compiler settings for the WebAssets bootstrap.
embedded-assistant/c#-wpf/WebAssets/src/main.ts	Web bootstrap that initializes/authenticates the embedded assistant and posts events/errors to the host.
embedded-assistant/c#-wpf/WebAssets/package.json	WebAssets package metadata and build dependencies/scripts.
embedded-assistant/c#-wpf/WebAssets/package-lock.json	Lockfile for reproducible WebAssets installs.
embedded-assistant/c#-wpf/WebAssets/index.html	Local shell page loaded via WebView2 virtual host mapping.
embedded-assistant/c#-wpf/WebAssets/README.md	WebAssets-specific rebuild instructions.
embedded-assistant/c#-wpf/Services/CortiSettings.cs	Loads required Corti configuration from a project-local .env.
embedded-assistant/c#-wpf/Services/CortiAuthService.cs	Performs ROPC token retrieval against the Corti auth endpoint.
embedded-assistant/c#-wpf/README.md	Top-level example documentation (prereqs, config, run, troubleshooting).
embedded-assistant/c#-wpf/MainWindow.xaml.cs	WebView2 setup, auth button flow, navigation + JS injection, host message handling.
embedded-assistant/c#-wpf/MainWindow.xaml	WPF layout hosting the Authenticate button and WebView2 control.
embedded-assistant/c#-wpf/CortiAssistantApp.slnx	Solution definition for the example project.
embedded-assistant/c#-wpf/CortiAssistantApp.csproj	WPF project config + build target to copy built web assets into output.
embedded-assistant/c#-wpf/AssemblyInfo.cs	WPF theme metadata.
embedded-assistant/c#-wpf/App.xaml.cs	WPF application entry class.
embedded-assistant/c#-wpf/App.xaml	WPF application resource/StartupUri definition.
embedded-assistant/c#-wpf/.gitignore	Ignores build outputs, .env, and WebAssets build/install directories.
embedded-assistant/c#-wpf/.env.example	Example environment variables required to run the sample.

Files not reviewed (1)

• embedded-assistant/c#-wpf/WebAssets/package-lock.json: Language not supported

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