Forge ring on first access, add /s/{shop_id}/ring.json endpoint

Existing shops had no ring until a product edit triggered it.
Now watch_json and server-rendered views forge the ring on first
access if empty. Added ring.json diagnostic endpoint to inspect
a shop's discovery ring state.

make_post_sell/routes.py

@@ -171,6 +171,7 @@ def includeme(config):
     config.add_route("player", "/player/{product_id}")
     config.add_route("player_json", "/player/{product_id}/json")
     config.add_route("watch_json", "/watch/{product_id}/json")
+    config.add_route("discovery_ring_json", "/s/{shop_id}/ring.json")
     config.add_route("random", "/random")
     config.add_route("tv", "/tv")
 

make_post_sell/static/css/common.css

@@ -1595,7 +1595,7 @@ textarea.markup-editor-textarea {
     }
 
     div.message-ribbon {
-        display: block;
+        display: grid;
     }
 
     /* Desktop, NOT watch mode: full nav is sticky */
@@ -2620,7 +2620,6 @@ textarea {
 /* Watch mode: sticky video within tall left wrapper */
 .watch-mode .product-images {
     position: sticky;
-    top: 0;
     z-index: 10;
     background: var(--bg-primary, #ffffff);
     overflow: hidden;
@@ -2758,6 +2757,18 @@ textarea {
     cursor: pointer;
 }
 
+.watch-direction-label input {
+    display: none;
+}
+
+.watch-direction-label input:checked + .autoplay-slider {
+    background: var(--blue-color, #98b6fa);
+}
+
+.watch-direction-label input:checked + .autoplay-slider::after {
+    transform: translateX(16px);
+}
+
 .direction-label-text {
     font-size: 0.85em;
     color: var(--text-muted, #999);

make_post_sell/views/content.py

@@ -74,12 +74,15 @@ def content(request):
 
     related_products = []
     if product.shop.watch_mode_enabled:
+        from ..models.product import get_ring_related_products, get_related_products
+        from ..models.shop import reforge_discovery_ring
         ring = product.shop.discovery_ring
+        if not ring:
+            ring = reforge_discovery_ring(product.shop)
+            request.dbsession.flush()
         if ring:
-            from ..models.product import get_ring_related_products
             related_products = get_ring_related_products(product, ring)
         else:
-            from ..models.product import get_related_products
             related_products = get_related_products(product)
 
     return {

make_post_sell/views/product.py

@@ -94,12 +94,14 @@ def product(request):
 
     related_products = []
     if product.shop.watch_mode_enabled:
+        from ..models.product import get_ring_related_products, get_related_products
         ring = product.shop.discovery_ring
+        if not ring:
+            ring = reforge_discovery_ring(product.shop)
+            request.dbsession.flush()
         if ring:
-            from ..models.product import get_ring_related_products
             related_products = get_ring_related_products(product, ring)
         else:
-            from ..models.product import get_related_products
             related_products = get_related_products(product)
 
     return {

make_post_sell/views/watch.py

@@ -1,7 +1,7 @@
 from pyramid.view import view_config
 
 from ..models.product import get_media_type, get_related_products, get_ring_related_products
-from ..models.shop import reforge_discovery_ring
+from ..models.shop import reforge_discovery_ring, get_shop_by_id
 
 
 @view_config(route_name="watch_json", renderer="json")
@@ -76,13 +76,15 @@ def watch_json(request):
     p_or_c = "p" if product.is_sellable else "c"
     canonical_url = f"/{p_or_c}/{product.id}/{product.slug}"
 
-    # Related products via discovery ring (fallback to stem-based)
+    # Related products via discovery ring (forge on first access if needed)
     ring = request.shop.discovery_ring
+    if not ring:
+        ring = reforge_discovery_ring(request.shop)
+        request.dbsession.flush()
+    if ring and str(product.id) not in ring:
+        ring = reforge_discovery_ring(request.shop)
+        request.dbsession.flush()
     if ring:
-        if str(product.id) not in ring:
-            # Product missing from ring — reforge inline
-            ring = reforge_discovery_ring(request.shop)
-            request.dbsession.flush()
         related = get_ring_related_products(product, ring)
     else:
         related = get_related_products(product)
@@ -119,3 +121,22 @@ def watch_json(request):
         "related": related_data,
         "ring": ring,
     }
+
+
+@view_config(route_name="discovery_ring_json", renderer="json")
+def discovery_ring_json(request):
+    """Public JSON endpoint to inspect the discovery ring for a shop."""
+    shop_id = request.matchdict.get("shop_id")
+    shop = get_shop_by_id(request.dbsession, shop_id)
+    if not shop:
+        request.response.status_int = 404
+        return {"error": "Shop not found"}
+
+    ring = shop.discovery_ring
+    return {
+        "shop_id": str(shop.id),
+        "shop_name": shop.name,
+        "watch_mode_enabled": shop.watch_mode_enabled,
+        "ring_length": len(ring),
+        "ring": ring,
+    }