Move events/market/blog composition from Python to .sx defcomps (Phase 9)

Continues the pattern of eliminating Python sx_call tree-building in favour
of data-driven .sx defcomps. POST/PUT/DELETE routes now pass plain data
(dicts, lists, scalars) and let .sx handle iteration, conditionals, and
layout via map/let/when/if. Single response components wrap OOB swaps.

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

events/sxc/pages/utils.py

@@ -14,31 +14,6 @@ from shared.sx.helpers import sx_call
 # Post header helpers — thin wrapper over shared post_header_sx
 # ---------------------------------------------------------------------------
 
-def _clear_oob(*ids: str) -> str:
-    """Generate OOB swaps to remove orphaned header rows/children."""
-    from shared.sx.helpers import sx_call
-    return "".join(sx_call("clear-oob-div", id=i) for i in ids)
-
-
-# All possible header row/child IDs at each depth (deepest first)
-_EVENTS_DEEP_IDS = [
-    "entry-admin-row", "entry-admin-header-child",
-    "entry-row", "entry-header-child",
-    "day-admin-row", "day-admin-header-child",
-    "day-row", "day-header-child",
-    "calendar-admin-row", "calendar-admin-header-child",
-    "calendar-row", "calendar-header-child",
-    "calendars-row", "calendars-header-child",
-    "post-admin-row", "post-admin-header-child",
-]
-
-
-def _clear_deeper_oob(*keep_ids: str) -> str:
-    """Clear all events header rows/children NOT in keep_ids."""
-    to_clear = [i for i in _EVENTS_DEEP_IDS if i not in keep_ids]
-    return _clear_oob(*to_clear)
-
-
 async def _ensure_container_nav(ctx: dict) -> dict:
     """Fetch container_nav if not already present (for post header row)."""
     if ctx.get("container_nav"):
@@ -87,19 +62,6 @@ def _entry_state_badge_html(state: str) -> str:
     return sx_call("badge", cls=cls, label=label)
 
 
-def _ticket_state_badge_html(state: str) -> str:
-    """Render a ticket state badge."""
-    cls_map = {
-        "confirmed": "bg-emerald-100 text-emerald-800",
-        "checked_in": "bg-blue-100 text-blue-800",
-        "reserved": "bg-amber-100 text-amber-800",
-        "cancelled": "bg-red-100 text-red-800",
-    }
-    cls = cls_map.get(state, "bg-stone-100 text-stone-700")
-    label = (state or "").replace("_", " ").capitalize()
-    return sx_call("badge", cls=cls, label=label)
-
-
 # ---------------------------------------------------------------------------
 # View toggle + SVG caching
 # ---------------------------------------------------------------------------
@@ -150,6 +112,12 @@ def _view_toggle_html(ctx: dict, view: str) -> str:
 
 def _cart_icon_oob(count: int) -> str:
     """Render the OOB cart icon/badge swap."""
+    ctx = _cart_icon_ctx(count)
+    return sx_call("events-cart-icon", **ctx)
+
+
+def _cart_icon_ctx(count: int) -> dict:
+    """Return data dict for the ~events-cart-icon component."""
     from quart import g
 
     blog_url_fn = getattr(g, "blog_url", None)
@@ -160,11 +128,11 @@ def _cart_icon_oob(count: int) -> str:
         site_obj = site_fn() if callable(site_fn) else site_fn
         logo = getattr(site_obj, "logo", "") if site_obj else ""
 
-    if count == 0:
-        blog_href = blog_url_fn("/") if blog_url_fn else "/"
-        return sx_call("events-cart-icon-logo",
-                      blog_href=blog_href, logo=logo)
-
+    blog_href = blog_url_fn("/") if blog_url_fn else "/"
     cart_href = cart_url_fn("/") if cart_url_fn else "/"
-    return sx_call("events-cart-icon-badge",
-                  cart_href=cart_href, count=str(count))
+    return {
+        "cart_count": count,
+        "blog_href": blog_href,
+        "cart_href": cart_href,
+        "logo": logo,
+    }