From f704bc72312374ec6612eec462d026d2a68d4eff Mon Sep 17 00:00:00 2001
From: tomse <1444539+tomse@users.noreply.github.com>
Date: Sun, 1 Feb 2026 13:08:34 +0100
Subject: [PATCH] copilot guideline

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 create mode 100644 PDFWorkflowManager/PDFWorkflowManager/ProjectGuidelines.md

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+# Project Architecture and Coding Rules
+
+## Stack
+- .NET 8
+- ASP.NET Core Web API
+- Entity Framework Core
+
+## Architecture Rules
+- Controllers must be thin
+- Business logic lives in Services
+- Data access only via Repositories
+- No static state
+
+## Coding Style
+- async/await only
+- No blocking calls
+- Explicit return types
+- XML documentation on public APIs
+
+## Error Handling
+- Use domain-specific exceptions
+- Do not throw Exception