Rename session.ts to sessions.ts.

src/hooks.ts

@@ -3,7 +3,7 @@ import { entityByKey } from "$lib/server/entities"
 import { metadata } from "$lib/server/metadata"
 import { leafParametersName } from "$lib/server/parameters"
 import { testCases } from "$lib/server/situations"
-import type { Session } from "$lib/session"
+import type { Session } from "$lib/sessions"
 
 export function getSession(): Session {
   return {