Update to net8

Author: web-flow

README.md

@@ -49,7 +49,7 @@ In this repository, **Cursor** was used as the AI agent to:
 ### Windows 11
 
 - **Prerequisites**
-  - Install **.NET SDK 8 or later** (this project targets `net10.0`):
+  - Install **.NET SDK 8 or later** (this project targets `net8.0`):
     - Download from [.NET downloads](https://dotnet.microsoft.com/en-us/download).
   - Ensure **PowerShell** is available (Windows 11 ships with it by default).
   - (Optional) Install **Git** from [git-scm.com](https://git-scm.com/).
@@ -66,7 +66,7 @@ dotnet restore Tests.csproj
 
 ```bash
 dotnet build Tests.csproj
-pwsh bin/Debug/net10.0/playwright.ps1 install --with-deps
+pwsh bin/Release/net8.0/playwright.ps1 install --with-deps
 ```
 
 ### macOS (MacBook)
@@ -97,7 +97,7 @@ dotnet restore Tests.csproj
 
 ```bash
 dotnet build Tests.csproj
-pwsh bin/Debug/net10.0/playwright.ps1 install --with-deps
+pwsh bin/Release/net8.0/playwright.ps1 install --with-deps
 ```
 
 > On macOS, if `pwsh` is not installed, install PowerShell via Homebrew (`brew install powershell`) or use `dotnet tool install --global Microsoft.Playwright.CLI` and then `playwright install`.
@@ -146,7 +146,7 @@ dotnet build Tests.csproj
 2. **Install Playwright browsers** (first time or after browser updates):
 
 ```bash
-pwsh bin/Debug/net10.0/playwright.ps1 install --with-deps
+pwsh bin/Release/net8.0/playwright.ps1 install --with-deps
 ```
 
 3. **Run all tests**
@@ -351,7 +351,7 @@ Commands used inside `.github/workflows/playwright-tests.yml`:
   - Builds the test project in Release configuration without restoring packages again.  
   - Docs: [Build command](https://learn.microsoft.com/dotnet/core/tools/dotnet-build).
 
-- **`pwsh bin/Release/net10.0/playwright.ps1 install --with-deps`**
+- **`pwsh bin/Release/net8.0/playwright.ps1 install --with-deps`**
   - Runs the Playwright CLI script generated by the .NET SDK to install required browsers and OS dependencies.  
   - Docs: [Playwright CLI](https://playwright.dev/dotnet/docs/cli).
 
@@ -467,7 +467,7 @@ In short, `obj/` is MSBuild’s working directory; you almost never touch files
 `Tests.csproj` is the **project file** that tells the .NET SDK how to build and run the test suite:
 
 - **Target and language**
-  - `TargetFramework` is set to `net10.0`, so the project compiles against .NET 10.
+  - `TargetFramework` is set to `net8.0`, so the project compiles against .NET 10.
   - `LangVersion` is `latest`, enabling the newest C# language features supported by the installed SDK.
   - `ImplicitUsings` is `enable`, so common namespaces are added automatically (and emitted into `Tests.GlobalUsings.g.cs`).
   - `Nullable` is `enable`, turning on nullable reference type analysis for safer APIs.
@@ -492,9 +492,9 @@ Together, **`Tests.csproj`** defines *what* to build and *which libraries* to us
 
 ## Understanding the `bin` Folder
 
-Where `obj/` holds **intermediate build artifacts**, the `bin/` folder contains the **final, runnable outputs** for each configuration (`Debug` / `Release`) and target framework (`net10.0` in this project).
+Where `obj/` holds **intermediate build artifacts**, the `bin/` folder contains the **final, runnable outputs** for each configuration (`Debug` / `Release`) and target framework (`net8.0` in this project).
 
-For example, under `bin/Debug/net10.0` you’ll find:
+For example, under `bin/Debug/net80.0` you’ll find:
 
 - **`Tests.dll` and `Tests.pdb`**
   - `Tests.dll` is the **compiled test assembly** that `dotnet test` executes.
@@ -519,7 +519,7 @@ For example, under `bin/Debug/net10.0` you’ll find:
   - `playwright.ps1` – PowerShell script entry point to the Playwright CLI for this project; used in CI and local setup to install browsers:
 
     ```bash
-    pwsh bin/Debug/net10.0/playwright.ps1 install --with-deps
+    pwsh bin/Release/net8.0/playwright.ps1 install --with-deps
     ```
 
 - **Copied configuration / data**