Rebrand sexp → sx across web platform (173 files)

Rename all sexp directories, files, identifiers, and references to sx.
artdag/ excluded (separate media processing DSL).

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

orders/bp/fragments/routes.py

@@ -14,9 +14,9 @@ def register():
 
     async def _account_nav_item():
         from shared.infrastructure.urls import orders_url
-        from shared.sexp.helpers import sexp_call
+        from shared.sx.helpers import sx_call
 
-        return sexp_call("account-nav-item",
+        return sx_call("account-nav-item",
                          href=orders_url("/"),
                          label="orders")
 
@@ -33,8 +33,8 @@ def register():
     async def get_fragment(fragment_type: str):
         handler = _handlers.get(fragment_type)
         if handler is None:
-            return Response("", status=200, content_type="text/sexp")
+            return Response("", status=200, content_type="text/sx")
         src = await handler()
-        return Response(src, status=200, content_type="text/sexp")
+        return Response(src, status=200, content_type="text/sx")
 
     return bp

orders/bp/order/routes.py

@@ -9,7 +9,7 @@ from shared.browser.app.payments.sumup import create_checkout as sumup_create_ch
 from shared.config import config
 
 from shared.infrastructure.cart_identity import current_cart_identity
-from shared.sexp.page import get_template_context
+from shared.sx.page import get_template_context
 from services.check_sumup_status import check_sumup_status
 from shared.browser.app.utils.htmx import is_htmx_request
 
@@ -48,7 +48,7 @@ def register() -> Blueprint:
         if not order:
             return await make_response("Order not found", 404)
 
-        from sexp.sexp_components import render_order_page, render_order_oob
+        from sx.sx_components import render_order_page, render_order_oob
 
         ctx = await get_template_context()
         calendar_entries = ctx.get("calendar_entries")
@@ -57,9 +57,9 @@ def register() -> Blueprint:
             html = await render_order_page(ctx, order, calendar_entries, url_for)
             return await make_response(html)
         else:
-            from shared.sexp.helpers import sexp_response
-            sexp_src = await render_order_oob(ctx, order, calendar_entries, url_for)
-            return sexp_response(sexp_src)
+            from shared.sx.helpers import sx_response
+            sx_src = await render_order_oob(ctx, order, calendar_entries, url_for)
+            return sx_response(sx_src)
 
     @bp.get("/pay/")
     async def order_pay(order_id: int):
@@ -100,8 +100,8 @@ def register() -> Blueprint:
         await g.s.flush()
 
         if not hosted_url:
-            from shared.sexp.page import get_template_context
-            from sexp.sexp_components import render_checkout_error_page
+            from shared.sx.page import get_template_context
+            from sx.sx_components import render_checkout_error_page
             tctx = await get_template_context()
             html = await render_checkout_error_page(tctx, error="No hosted checkout URL returned from SumUp when trying to reopen payment.", order=order)
             return await make_response(html, 500)

orders/bp/orders/routes.py

@@ -116,8 +116,8 @@ def register(url_prefix: str) -> Blueprint:
         result = await g.s.execute(stmt)
         orders = result.scalars().all()
 
-        from shared.sexp.page import get_template_context
-        from sexp.sexp_components import (
+        from shared.sx.page import get_template_context
+        from sx.sx_components import (
             render_orders_page,
             render_orders_rows,
             render_orders_oob,
@@ -133,19 +133,19 @@ def register(url_prefix: str) -> Blueprint:
             )
             resp = await make_response(html)
         elif page > 1:
-            # Sexp wire format — client renders order rows
-            from shared.sexp.helpers import sexp_response
-            sexp_src = await render_orders_rows(
+            # Sx wire format — client renders order rows
+            from shared.sx.helpers import sx_response
+            sx_src = await render_orders_rows(
                 ctx, orders, page, total_pages, url_for, qs_fn,
             )
-            resp = sexp_response(sexp_src)
+            resp = sx_response(sx_src)
         else:
-            from shared.sexp.helpers import sexp_response
-            sexp_src = await render_orders_oob(
+            from shared.sx.helpers import sx_response
+            sx_src = await render_orders_oob(
                 ctx, orders, page, total_pages, search, total_count,
                 url_for, qs_fn,
             )
-            resp = sexp_response(sexp_src)
+            resp = sx_response(sx_src)
 
         resp.headers["Hx-Push-Url"] = _current_url_without_page()
         return _vary(resp)