feat: version history as 10th feature flag, richer upgrade prompts, close unguarded photo-import tab (v0.80.0)

Recipe version history is now gated like the other 9 per-tier features (enabled by default, locked-vs-hidden treatment via isFeatureAvailableAnyTier). UpgradeDialog now shows a tagline + concrete bullet list per feature instead of one generic sentence.

Also closes a real gap: the AI-generate dialog's Photo tab hit /api/v1/ai/import-photo directly with no tier check in the UI (server route was already correctly gated) — a locked-out user could fill it in and hit a dead-end error instead of an upgrade prompt. Now threaded through the same lock/hide props as the dedicated PhotoImportButton.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

apps/web/app/(app)/recipes/page.tsx

@@ -64,6 +64,8 @@ export default async function RecipesPage({ searchParams }: { searchParams: Sear
   const featureFlags = await getFeatureFlagMatrix();
   const importUrlLocked = !featureFlags.recipe_import_url[viewerTier];
   const importUrlAvailable = isFeatureAvailableAnyTier(featureFlags, "recipe_import_url");
+  const importPhotoLocked = !featureFlags.recipe_import_photo[viewerTier];
+  const importPhotoAvailable = isFeatureAvailableAnyTier(featureFlags, "recipe_import_photo");
 
   const { q, sort, visibility, difficulty, tag, page: pageParam, batchCook, recipeType, url, text } = await searchParams;
   const sharedUrl = extractSharedUrl({ url, text });
@@ -166,6 +168,8 @@ export default async function RecipesPage({ searchParams }: { searchParams: Sear
         sharedUrl={importUrlAvailable && !importUrlLocked ? sharedUrl : undefined}
         importUrlAvailable={importUrlAvailable}
         importUrlLocked={importUrlLocked}
+        importPhotoAvailable={importPhotoAvailable}
+        importPhotoLocked={importPhotoLocked}
       />
       <RecipesEmptyState query={query} count={total} />
       <RecipesGrid key={`${query}-${sortKey}-${visibilityFilter}-${difficultyFilter}-${tagFilter}-${batchCookFilter}-${recipeTypeFilter}-${page}`} recipes={recipesWithFavorites} />