fix: resolve 6 Gitea issues (#9, #10, #12, #14, #15, #21)

- #21: Add missing await in removeChoiceIfPresent() to prevent user appearing in two restaurants
- #15: Add 1-hour TTL for menu refetching to avoid scraping on every page load
- #9: Block stats API and UI navigation for future dates
- #14: Add restaurant warnings (missing soup/prices, stale data) with warning icon
- #12: Pre-fill restaurant/departure dropdowns from existing choices on page refresh
- #10: Add voting statistics endpoint and table on stats page

types/schemas/_index.yml

@@ -176,6 +176,11 @@ RestaurantDayMenu:
       type: array
       items:
         $ref: "#/Food"
+    warnings:
+      description: Seznam varování o kvalitě/úplnosti dat menu
+      type: array
+      items:
+        type: string
 RestaurantDayMenuMap:
   description: Objekt, kde klíčem je podnik ((#Restaurant)) a hodnotou denní menu daného podniku ((#RestaurantDayMenu))
   type: object
@@ -258,6 +263,12 @@ FeatureRequest:
     - UI
     - DEVELOPMENT
 
+VotingStats:
+  description: Statistiky hlasování - klíčem je název funkce, hodnotou počet hlasů
+  type: object
+  additionalProperties:
+    type: integer
+
 # --- EASTER EGGS ---
 EasterEgg:
   description: Data pro zobrazení easter eggů ssss