Apply ruff formatting and fix unused import linting errors

Remove unused imports flagged by ruff (F401), apply ruff format across all
files, and restore members.signals side-effect import with noqa: F401 so the
post_save signal that auto-creates Member profiles continues to fire.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/members/urls.py

@@ -1,4 +1,4 @@
-from django.urls import include, path
+from django.urls import path
 
 from .views import MemberAddView, MemberDeleteView, MemberEditView, MemberListView, MemberLoadView
 

backend/mixins.py

@@ -4,19 +4,20 @@ from django.http import HttpResponse
 from django.template.loader import render_to_string
 from django_htmx.http import HttpResponseClientRedirect, HttpResponseClientRefresh
 
+
 class HTMXPartialMixin:
     """Mixin that automatically switches to a partial template when the request is made via HTMX."""
-    
+
     partial_template_name = None
-    
+
     def get_template_names(self):
         # If HTMX request and a partial is defined, return it
         if getattr(self.request, "htmx", False) and self.partial_template_name:
             return [self.partial_template_name]
-        
+
         return super().get_template_names()
-    
-    
+
+
 class HTMXViewMixin:
     """
     A full-featured HTMX integration mixin for Django CBVs.
@@ -28,81 +29,81 @@ class HTMXViewMixin:
     - HX-Refresh
     - Graceful fallback to normal Django rendering
     """
-    
+
     # Name of the partial block: template.html#partial_name
     partial_name = None
-    
+
     # Optional: automatically push URL on GET
     htmx_push_url = None
-    
+
     # Optional: name of the menu item to highlight
     menu_highlight = None
-    
+
     # Optional: trigger events after rendering
     htmx_trigger = None
     htmx_trigger_after_settle = None
     htmx_trigger_after_swap = None
-    
+
     # Optional: redirect target for HTMX
     htmx_redirect_url = None
-    
+
     # Optional: refresh the page
     htmx_refresh = False
-    
+
     def render_partial(self, context):
         """Render a django-partials block."""
         request = self.request
         return render_to_string(self.partial_name, context, request=request)
-    
+
     def apply_htmx_headers(self, response):
         """Attach HX-* headers to the response."""
         request = self.request
-        
+
         if request.htmx:
             is_get = request.method == "GET"
             is_pagination = "page" in request.GET
-            
+
             if is_get and not is_pagination:
                 # Push the current path unless overridden
                 response.headers["HX-Push-Url"] = self.htmx_push_url or request.get_full_path()
 
         # Build HX-Trigger payload
         trigger_payload = {}
-        
+
         # 1. User-defined triggers
         if self.htmx_trigger:
             trigger_payload.update(json.loads(self.htmx_trigger))
-        
+
         # 2. Auto menu highlight trigger
         if self.menu_highlight:
             trigger_payload["menuHighlight"] = self.menu_highlight
-        
+
         # Emit HX-Trigger if anything is present
         if trigger_payload:
             response.headers["HX-Trigger"] = json.dumps(trigger_payload)
-        
+
         if self.htmx_trigger_after_settle:
             response.headers["HX-Trigger-After-Settle"] = self.htmx_trigger_after_settle
-            
+
         if self.htmx_trigger_after_swap:
             response.headers["HX-Trigger-After-Swap"] = self.htmx_trigger_after_swap
-            
+
         return response
-    
+
     def render_to_response(self, context, **response_kwargs):
         """Renders HTMX response, applying headers and handling directives"""
         request = self.request
-        
+
         if not request.htmx:
             response = super().render_to_response(context, **response_kwargs)
             return self.apply_htmx_headers(response)
-    
+
         if self.htmx_redirect_url:
             return HttpResponseClientRedirect(self.htmx_redirect_url)
-        
+
         if self.htmx_refresh:
             return HttpResponseClientRefresh()
-        
+
         html = self.render_partial(context)
         response = HttpResponse(html, **response_kwargs)
-        return self.apply_htmx_headers(response)
+        return self.apply_htmx_headers(response)

backend/urls.py

@@ -3,8 +3,4 @@ from django.urls import include, path
 from .views import configuration, index
 
 app_name = "backend"
-urlpatterns = [
-    path("", index, name="index"),
-    path("members/", include("backend.members.urls")),
-    path("configuration", configuration, name="configuration")
-]
+urlpatterns = [path("", index, name="index"), path("members/", include("backend.members.urls")), path("configuration", configuration, name="configuration")]