Refactor errors a bit

src/anonchat/__init__.py

@@ -96,8 +96,8 @@ with app.app_context():
 def health_check():
     return jsonify(status="healthy"), 200
 
-from . import error_handlers
-
+from .error_handlers import register_error_handlers
+register_error_handlers(app)
 
 # Import routes
 from . import routes

src/anonchat/error_handlers.py

@@ -24,4 +24,4 @@ def register_error_handlers(app):
         if request.is_json or request.headers.get('X-Requested-With') == 'XMLHttpRequest':
             return jsonify(error=title, message=message), status_code
         else:
-            return render_template('error.html', title=title, message=message), status_code
+            return render_template('error.html', title=title, message=message, status_code=status_code), status_code

src/anonchat/templates/error.html

@@ -2,13 +2,10 @@
 
 {% block title %}{{ title }}{% endblock %}
 
-{% block header %}
-    <h2>{{ title }}</h2>
-{% endblock %}
-
 {% block content %}
 <div class="error-container">
-    <div class="error-code">Error</div>
+    <div class="error-code">{{ status_code | default("Error") }}</div>
+    <h2>{{ title }}</h2>
     <p>{{ message }}</p>
     <div class="error-actions">
         <a href="{{ url_for('index') }}" class="btn-primary">Go to Home</a>