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>

shared/infrastructure/context.py

@@ -18,9 +18,9 @@ from shared.infrastructure.urls import blog_url, market_url, cart_url, events_ur
 
 
 def _qs_filter_fn():
-    """Build a qs_filter(dict) wrapper for sexp components, or None.
+    """Build a qs_filter(dict) wrapper for sx components, or None.
 
-    Sexp components call ``qs_fn({"page": 2})``, ``qs_fn({"sort": "az"})``,
+    Sx components call ``qs_fn({"page": 2})``, ``qs_fn({"sort": "az"})``,
     ``qs_fn({"labels": ["organic", "local"]})``, etc.
 
     Simple keys (page, sort, search, liked, clear_filters) are forwarded

shared/infrastructure/factory.py

@@ -28,9 +28,9 @@ from shared.browser.app.errors import errors
 
 from .jinja_setup import setup_jinja
 from .user_loader import load_current_user
-from shared.sexp.jinja_bridge import setup_sexp_bridge
-from shared.sexp.components import load_shared_components
-from shared.sexp.relations import load_relation_registry
+from shared.sx.jinja_bridge import setup_sx_bridge
+from shared.sx.components import load_shared_components
+from shared.sx.relations import load_relation_registry
 
 
 # Async init of config (runs once at import)
@@ -111,16 +111,16 @@ def create_base_app(
     register_db(app)
     register_redis(app)
     setup_jinja(app)
-    setup_sexp_bridge(app)
+    setup_sx_bridge(app)
     load_shared_components()
     load_relation_registry()
 
-    # Dev-mode: auto-reload sexp templates when files change on disk
+    # Dev-mode: auto-reload sx templates when files change on disk
     if os.getenv("RELOAD") == "true":
-        from shared.sexp.jinja_bridge import reload_if_changed
+        from shared.sx.jinja_bridge import reload_if_changed
 
         @app.before_request
-        async def _sexp_hot_reload():
+        async def _sx_hot_reload():
             reload_if_changed()
     errors(app)
 

shared/infrastructure/fragments.py

@@ -78,15 +78,15 @@ async def fetch_fragment(
 ) -> str:
     """Fetch a fragment from another app.
 
-    Returns an HTML string or a ``SexpExpr`` (when the provider responds
-    with ``text/sexp``).  When *required* is True (default), raises
+    Returns an HTML string or a ``SxExpr`` (when the provider responds
+    with ``text/sx``).  When *required* is True (default), raises
     ``FragmentError`` on network errors or non-200 responses.
     When *required* is False, returns ``""`` on failure.
 
     Automatically returns ``""`` when called inside a fragment request
     to prevent circular dependencies between apps.
     """
-    from shared.sexp.parser import SexpExpr
+    from shared.sx.parser import SxExpr
 
     if _is_fragment_request():
         return ""
@@ -102,8 +102,8 @@ async def fetch_fragment(
         )
         if resp.status_code == 200:
             ct = resp.headers.get("content-type", "")
-            if "text/sexp" in ct:
-                return SexpExpr(resp.text)
+            if "text/sx" in ct:
+                return SxExpr(resp.text)
             return resp.text
         msg = f"Fragment {app_name}/{fragment_type} returned {resp.status_code}"
         if required: