fix(final-docs): round-scope file query + guard empty-required edge case

src/server/services/final-documents.ts

@@ -57,7 +57,7 @@ export async function getFinalDocumentStatusForProject(
   })
 
   const files = await prisma.projectFile.findMany({
-    where: { projectId, requirementId: { in: requirements.map((r) => r.id) } },
+    where: { projectId, roundId: round.id, requirementId: { in: requirements.map((r) => r.id) } },
     orderBy: { createdAt: 'desc' },
     select: { id: true, requirementId: true, fileName: true, mimeType: true, bucket: true, objectKey: true, createdAt: true },
   })
@@ -73,7 +73,8 @@ export async function getFinalDocumentStatusForProject(
     }
   })
 
-  const allRequiredUploaded = reqStatuses.filter((r) => r.isRequired).every((r) => r.uploaded)
+  const required = reqStatuses.filter((r) => r.isRequired)
+  const allRequiredUploaded = required.length > 0 && required.every((r) => r.uploaded)
   const deadline = round.windowCloseAt ?? null
   return {
     roundId: round.id,