Desynth page and improved item info api. Added string substitution to utils.

backend/app/main.py

@@ -51,10 +51,21 @@ async def ensure_view():
                     """),
                 {"table": t},
             )
+            stack_exists = await conn.scalar(
+                text(
+                    """
+                    SELECT EXISTS (
+                      SELECT 1 FROM information_schema.columns
+                      WHERE table_name=:table AND column_name='stack_size'
+                    )
+                    """),
+                {"table": t},
+            )
             desc_col = "description" if desc_exists else "NULL"
             icon_col = "icon_id" if icon_exists else "NULL"
+            stack_col = "stack_size" if stack_exists else "NULL"
             selects.append(
-                f"SELECT id, name, {desc_col} AS description, {icon_col} AS icon_id, type_description FROM {t}"
+                f"SELECT id, name, {desc_col} AS description, {icon_col} AS icon_id, type_description, {stack_col} AS stack_size FROM {t}"
             )
 
         union_sql = " UNION ALL ".join(selects)