Add project rules for Trae IDE

Document correct lint commands (glob-based, not shell wildcards),
build instructions, and project architecture for future AI sessions.

Author: StackAndPointer

.trae/rules/project_rules.md

@@ -0,0 +1,35 @@
+# SexyUI Editor - Project Rules
+
+## Overview
+A PyQt6-based visual UI editor for Plants vs. Zombies Sexy framework.
+Supports C++ (QE/Portable) and C# (.NET) code generation.
+
+## Key Commands
+
+### Syntax Check (use glob, NOT shell wildcards)
+```powershell
+python -c "import glob, py_compile; [py_compile.compile(f, doraise=True) for f in glob.glob('core/**/*.py', recursive=True)]"
+python -c "import glob, py_compile; [py_compile.compile(f, doraise=True) for f in glob.glob('ui/**/*.py', recursive=True)]"
+python -c "import glob, py_compile; [py_compile.compile(f, doraise=True) for f in glob.glob('SexyUIExtensions/**/*.py', recursive=True)]"
+```
+
+### Install Dependencies
+```powershell
+pip install -r requirements.txt
+```
+
+### Build (Nuitka)
+```powershell
+build.bat
+```
+
+## Git Rules
+- Commit messages in English
+- Do NOT push unless explicitly asked
+- Do NOT commit generated output files
+
+## Architecture
+- `core/` - Core business logic (code generators, project model, resource management)
+- `ui/` - PyQt6 UI components (canvas, property panel, event config)
+- `Content/` - .NET game resources (excluded from git)
+- `docs/CORE_ARCHITECTURE.md` - Detailed architecture documentation