Include agent Prompt

AGENTS.md

@@ -9,19 +9,25 @@ This file tells AI coding agents how to work in this repository as a panel of se
 Before working on any task:
 
 1. Read this `AGENTS.md`.
-2. Read the main skill router:
+2. Read the main agent prompt:
+
+   ```text
+   ./.ai/prompts/csharp-dotnet-agent-prompt.md
+   ```
+
+3. Read the main skill router:
 
    ```text
    ./.ai/SKILLS.md
    ```
 
-3. Identify the task type: language, library, data, web, Blazor, API, packaging, testing, security, performance, or review.
-4. Load the matching skill files listed in `.ai/SKILLS.md`.
-5. Inspect the existing solution before writing code:
+4. Identify the task type: language, library, data, web, Blazor, API, packaging, testing, security, performance, or review.
+5. Load the matching skill files listed in `.ai/SKILLS.md`.
+6. Inspect the existing solution before writing code:
    - `*.sln`, `*.slnx`
    - `*.csproj`, `Directory.Build.props`, `Directory.Packages.props`, `global.json`
    - existing namespaces, nullable settings, analyzers, test projects, CI scripts, and style rules
-6. Do not invent project conventions. Follow the existing codebase unless the user asks to refactor.
+7. Do not invent project conventions. Follow the existing codebase unless the user asks to refactor.
 
 ## Core Engineering Rules