Updated testing methodology to not create test scripts and just test in main code.

preferences/project-structure.md

@@ -11,8 +11,6 @@ ProjectName/
 ├── README.md
 ├── Modules/
 │   └── ProjectName.psm1     # Shared functions, config loading, helpers
-├── Tests/
-│   └── *.Tests.ps1          # Pester test files
 └── Release-Notes/
     ├── v1.0.md
     └── v1.1.md
@@ -53,15 +51,12 @@ project-name/
         ├── routers/
         │   ├── auth.py
         │   └── [resource].py
-        ├── utils/
-        └── tests/
-            └── test_[resource].py
+        └── utils/
 ```
 
 **Rules:**
 - `.env` is never committed — `.env.example` always is
 - Each resource (users, items, etc.) gets its own model, schema, and router file
-- Tests live inside `backend/app/tests/`
 
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