fix: use **kwargs in calendar admin handlers (slug popped by preprocessor)

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

bp/calendar/admin/routes.py

@@ -16,7 +16,7 @@ def register():
     # ---------- Pages ----------
     @bp.get("/")
     @require_admin
-    async def admin(slug: str, calendar_slug: str):
+    async def admin(calendar_slug: str, **kwargs):
         from suma_browser.app.utils.htmx import is_htmx_request
 
         # Determine which template to use based on request type
@@ -32,7 +32,7 @@ def register():
 
     @bp.get("/description/")
     @require_admin
-    async def calendar_description_edit(slug: str, calendar_slug: str):
+    async def calendar_description_edit(calendar_slug: str, **kwargs):
         # g.post and g.calendar should already be set by the parent calendar bp
         html = await render_template(
             "_types/calendar/admin/_description_edit.html",
@@ -45,7 +45,7 @@ def register():
     @bp.post("/description/")
     @require_admin
     @clear_cache(tag="calendars", tag_scope="all")
-    async def calendar_description_save(slug: str, calendar_slug: str):
+    async def calendar_description_save(calendar_slug: str, **kwargs):
         form = await request.form
         description = (form.get("description") or "").strip() or None
 
@@ -64,7 +64,7 @@ def register():
 
     @bp.get("/description/view/")
     @require_admin
-    async def calendar_description_view(slug: str, calendar_slug: str):
+    async def calendar_description_view(calendar_slug: str, **kwargs):
         # just render the display version without touching the DB (used by Cancel)
         html = await render_template(
             "_types/calendar/admin/_description.html",