docs: clarify TypeScript paradigm as pragmatic imperative over OOP

PROJECT_GUIDELINES.md

@@ -17,7 +17,10 @@
 - ❌ **NEVER modify backend/API for frontend features without user confirmation**
 - ❌ **NEVER use custom CSS** - TailwindCSS classes only
 - ❌ **NEVER use JavaScript** - convert all to TypeScript
-- ❌ **NEVER use object-oriented programming patterns in TypeScript** - avoid classes, inheritance, and OOP bloat; use functional/other paradigms
+- ❌ **NEVER use Object-Oriented Programming** (no classes, inheritance, or this-capture)
+- ✅ **DO use procedural/imperative style** as your default
+- ✅ **DO borrow functional techniques** when they simplify code
+- ✅ **DO avoid ideological purity** - the best paradigm is the one that fits the problem
 - ❌ **NEVER add new Dockerfiles without user confirmation
 - ❌ **NEVER fetch initial data via AJAX on page load** - use server-side rendering instead
 - ❌ **NEVER break progressive enhancement** - pages must work without JavaScript
@@ -113,7 +116,10 @@ VERIFY → Compile successfully
 ### Frontend & Styling
 - ✅ Always use **TailwindCSS classes** for all styling
 - ✅ Convert all JavaScript to **TypeScript**
-- ✅ Avoid OOP patterns - prefer functional/other paradigms
+- ✅ **Never use Object-Oriented Programming** (no classes, inheritance, or this-capture)
+- ✅ **Use procedural/imperative style** as your default
+- ✅ **Borrow functional techniques** when they simplify code
+- ✅ **Avoid ideological purity** - the best paradigm is the one that fits the problem
 - ✅ **Render initial data server-side** in Go templates for fast page loads
 - ✅ **Use JavaScript/HTMX for CRUD operations** (create, update, delete)
 - ✅ **Ensure progressive enhancement** - pages work without JavaScript
@@ -207,7 +213,7 @@ VERIFY → Compile successfully
 - **Styling**: TailwindCSS (no custom CSS)
 - **Language**: TypeScript (no JavaScript)
 - **Templates**: HTMX with server-side rendering
-- **Patterns**: Functional/other (no OOP)
+- **Patterns**: Procedural/imperative with functional techniques where helpful (no OOP)
 
 ### Containerization
 - **Runtime**: Podman (not Docker)