diff --git a/__tests__/set.test.ts b/__tests__/category.test.ts
similarity index 100%
rename from __tests__/set.test.ts
rename to __tests__/category.test.ts
diff --git a/app/film/[simulation]/image/route.tsx b/app/film/[simulation]/image/route.tsx
index 6b522eb5..243b6043 100644
--- a/app/film/[simulation]/image/route.tsx
+++ b/app/film/[simulation]/image/route.tsx
@@ -11,7 +11,7 @@ import { ImageResponse } from 'next/og';
 import { getImageResponseCacheControlHeaders } from '@/image-response/cache';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
 import { getUniqueFilmSimulations } from '@/photo/db/query';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 
 export let generateStaticParams:
   (() => Promise<{ simulation: FilmSimulation }[]>) | undefined = undefined;
diff --git a/app/film/[simulation]/page.tsx b/app/film/[simulation]/page.tsx
index f66c28f6..b2d4962b 100644
--- a/app/film/[simulation]/page.tsx
+++ b/app/film/[simulation]/page.tsx
@@ -7,8 +7,9 @@ import { Metadata } from 'next/types';
 import { cache } from 'react';
 import { PATH_ROOT } from '@/app/paths';
 import { redirect } from 'next/navigation';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
+
 const getPhotosFilmSimulationDataCachedCached =
   cache(getPhotosFilmSimulationDataCached);
 
diff --git a/app/focal/[focal]/image/route.tsx b/app/focal/[focal]/image/route.tsx
index e5904c4a..5cfcbe70 100644
--- a/app/focal/[focal]/image/route.tsx
+++ b/app/focal/[focal]/image/route.tsx
@@ -11,7 +11,7 @@ import FocalLengthImageResponse from
 import { formatFocalLength, getFocalLengthFromString } from '@/focal';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
 import { getUniqueFocalLengths } from '@/photo/db/query';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 
 export let generateStaticParams:
   (() => Promise<{ focal: string }[]>) | undefined = undefined;
diff --git a/app/focal/[focal]/page.tsx b/app/focal/[focal]/page.tsx
index b08b496c..1ed3942c 100644
--- a/app/focal/[focal]/page.tsx
+++ b/app/focal/[focal]/page.tsx
@@ -7,7 +7,7 @@ import { PATH_ROOT } from '@/app/paths';
 import type { Metadata } from 'next';
 import { redirect } from 'next/navigation';
 import { cache } from 'react';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
 
 const getPhotosFocalDataCachedCached = cache((focal: number) =>
diff --git a/app/lens/[make]/[model]/image/route.tsx b/app/lens/[make]/[model]/image/route.tsx
index bc2621f8..99e0fd28 100644
--- a/app/lens/[make]/[model]/image/route.tsx
+++ b/app/lens/[make]/[model]/image/route.tsx
@@ -15,7 +15,7 @@ import {
   safelyGenerateLensStaticParams,
 } from '@/lens';
 import LensImageResponse from '@/image-response/LensImageResponse';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 
 export let generateStaticParams:
   (() => Promise<Lens[]>) | undefined = undefined;
diff --git a/app/lens/[make]/[model]/page.tsx b/app/lens/[make]/[model]/page.tsx
index 2eca315b..b80d1d0d 100644
--- a/app/lens/[make]/[model]/page.tsx
+++ b/app/lens/[make]/[model]/page.tsx
@@ -12,7 +12,7 @@ import {
   safelyGenerateLensStaticParams,
 } from '@/lens';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 
 const getPhotosLensDataCachedCached = cache((
   make: string | undefined,
diff --git a/app/recipe/[recipe]/image/route.tsx b/app/recipe/[recipe]/image/route.tsx
index c95767e4..7777a247 100644
--- a/app/recipe/[recipe]/image/route.tsx
+++ b/app/recipe/[recipe]/image/route.tsx
@@ -9,7 +9,7 @@ import { getImageResponseCacheControlHeaders } from '@/image-response/cache';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
 import { getUniqueRecipes } from '@/photo/db/query';
 import RecipeImageResponse from '@/image-response/RecipeImageResponse';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 
 export let generateStaticParams:
   (() => Promise<{ recipe: string }[]>) | undefined = undefined;
diff --git a/app/recipe/[recipe]/page.tsx b/app/recipe/[recipe]/page.tsx
index c9bfa2db..783fb1c2 100644
--- a/app/recipe/[recipe]/page.tsx
+++ b/app/recipe/[recipe]/page.tsx
@@ -7,7 +7,7 @@ import { cache } from 'react';
 import { generateMetaForRecipe } from '@/recipe';
 import RecipeOverview from '@/recipe/RecipeOverview';
 import { getPhotosRecipeDataCached } from '@/recipe/data';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
 
 const getPhotosRecipeDataCachedCached = cache(getPhotosRecipeDataCached);
diff --git a/app/shot-on/[make]/[model]/image/route.tsx b/app/shot-on/[make]/[model]/image/route.tsx
index 946c0f38..cf178f8b 100644
--- a/app/shot-on/[make]/[model]/image/route.tsx
+++ b/app/shot-on/[make]/[model]/image/route.tsx
@@ -10,7 +10,7 @@ import { ImageResponse } from 'next/og';
 import { getImageResponseCacheControlHeaders } from '@/image-response/cache';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
 import { getUniqueCameras } from '@/photo/db/query';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 
 export let generateStaticParams:
   (() => Promise<{ camera: Camera }[]>) | undefined = undefined;
diff --git a/app/shot-on/[make]/[model]/page.tsx b/app/shot-on/[make]/[model]/page.tsx
index e4680731..79b3e971 100644
--- a/app/shot-on/[make]/[model]/page.tsx
+++ b/app/shot-on/[make]/[model]/page.tsx
@@ -6,7 +6,7 @@ import { getPhotosCameraDataCached } from '@/camera/data';
 import CameraOverview from '@/camera/CameraOverview';
 import { cache } from 'react';
 import { getUniqueCameras } from '@/photo/db/query';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
 
 const getPhotosCameraDataCachedCached = cache((
diff --git a/app/tag/[tag]/image/route.tsx b/app/tag/[tag]/image/route.tsx
index 1016c71b..43c9dd74 100644
--- a/app/tag/[tag]/image/route.tsx
+++ b/app/tag/[tag]/image/route.tsx
@@ -9,7 +9,7 @@ import { ImageResponse } from 'next/og';
 import { getImageResponseCacheControlHeaders } from '@/image-response/cache';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
 import { getUniqueTags } from '@/photo/db/query';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 
 export let generateStaticParams:
   (() => Promise<{ tag: string }[]>) | undefined = undefined;
diff --git a/app/tag/[tag]/page.tsx b/app/tag/[tag]/page.tsx
index b1d003ba..e06b2b8e 100644
--- a/app/tag/[tag]/page.tsx
+++ b/app/tag/[tag]/page.tsx
@@ -7,7 +7,7 @@ import { getPhotosTagDataCached } from '@/tag/data';
 import type { Metadata } from 'next';
 import { redirect } from 'next/navigation';
 import { cache } from 'react';
-import { shouldGenerateStaticParamsForCategory } from '@/category';
+import { shouldGenerateStaticParamsForCategory } from '@/app/config';
 import { GENERATE_STATIC_PARAMS_LIMIT } from '@/photo/db';
 
 const getPhotosTagDataCachedCached = cache((tag: string) =>
diff --git a/src/app/config.ts b/src/app/config.ts
index 3b27af06..eca9b5ef 100644
--- a/src/app/config.ts
+++ b/src/app/config.ts
@@ -2,7 +2,7 @@ import {
   AI_AUTO_GENERATED_FIELDS_DEFAULT,
   parseAiAutoGeneratedFieldsString,
 } from '@/photo/ai';
-import { getOrderedCategoriesFromString } from '@/category';
+import { CategoryKey, getOrderedCategoriesFromString } from '@/category';
 import type { StorageType } from '@/platforms/storage';
 import { makeUrlAbsolute, shortenUrl } from '@/utility/url';
 
@@ -184,6 +184,17 @@ export const HAS_STATIC_OPTIMIZATION =
   STATICALLY_OPTIMIZED_PHOTO_OG_IMAGES ||
   STATICALLY_OPTIMIZED_PHOTO_CATEGORIES ||
   STATICALLY_OPTIMIZED_PHOTO_CATEGORY_OG_IMAGES;
+
+export const shouldGenerateStaticParamsForCategory = (
+  key: CategoryKey,
+  type: 'page' | 'image',
+): boolean =>
+  CATEGORY_VISIBILITY.includes(key) &&
+  IS_PRODUCTION && (
+    (type === 'page' && STATICALLY_OPTIMIZED_PHOTO_CATEGORIES) ||
+    (type === 'image' && STATICALLY_OPTIMIZED_PHOTO_CATEGORY_OG_IMAGES)
+  );
+
 export const PRESERVE_ORIGINAL_UPLOADS =
   process.env.NEXT_PUBLIC_PRESERVE_ORIGINAL_UPLOADS === '1' ||
   // Legacy environment variable name
@@ -195,6 +206,7 @@ export const IMAGE_QUALITY =
 export const BLUR_ENABLED =
   process.env.NEXT_PUBLIC_BLUR_DISABLED !== '1';
 
+
 // VISUAL
 
 export const DEFAULT_THEME =
diff --git a/src/category/index.ts b/src/category/index.ts
index b8a004dd..970c97f9 100644
--- a/src/category/index.ts
+++ b/src/category/index.ts
@@ -6,12 +6,6 @@ import { Lens, Lenses } from '@/lens';
 import { Tags } from '@/tag';
 import { FocalLengths } from '@/focal';
 import { Recipes } from '@/recipe';
-import {
-  CATEGORY_VISIBILITY,
-  IS_PRODUCTION,
-  STATICALLY_OPTIMIZED_PHOTO_CATEGORIES,
-  STATICALLY_OPTIMIZED_PHOTO_CATEGORY_OG_IMAGES,
-} from '@/app/config';
 
 const CATEGORY_KEYS = [
   'cameras',
@@ -22,9 +16,9 @@ const CATEGORY_KEYS = [
   'focal-lengths',
 ] as const;
 
-type CategoryKey = (typeof CATEGORY_KEYS)[number];
+export type CategoryKey = (typeof CATEGORY_KEYS)[number];
 
-type CategoryKeys = CategoryKey[];
+export type CategoryKeys = CategoryKey[];
 
 export const DEFAULT_CATEGORY_KEYS: CategoryKeys = [
   'tags',
@@ -33,16 +27,6 @@ export const DEFAULT_CATEGORY_KEYS: CategoryKeys = [
   'films',
 ];
 
-export const shouldGenerateStaticParamsForCategory = (
-  key: CategoryKey,
-  type: 'page' | 'image',
-): boolean =>
-  CATEGORY_VISIBILITY.includes(key) &&
-  IS_PRODUCTION && (
-    (type === 'page' && STATICALLY_OPTIMIZED_PHOTO_CATEGORIES) ||
-    (type === 'image' && STATICALLY_OPTIMIZED_PHOTO_CATEGORY_OG_IMAGES)
-  );
-
 export const getHiddenCategories = (keys: CategoryKeys): CategoryKeys =>
   CATEGORY_KEYS.filter(key => !keys.includes(key));