fix(server): prove completed history before idle sleep (#18646)

Reviewed and verified at 592bce69c6.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

server/src/storage/local-disk-provider.ts

@@ -30,8 +30,10 @@ function resolveWithin(baseDir: string, objectKey: string): string {
 async function statOrNull(filePath: string) {
   try {
     return await fs.stat(filePath);
-  } catch {
-    return null;
+  } catch (error) {
+    const code = (error as NodeJS.ErrnoException | null)?.code;
+    if (code === "ENOENT" || code === "ENOTDIR") return null;
+    throw error;
   }
 }
 
@@ -89,8 +91,9 @@ export function createLocalDiskStorageProvider(baseDir: string): StorageProvider
       const filePath = resolveWithin(root, input.objectKey);
       try {
         await fs.unlink(filePath);
-      } catch {
-        // idempotent delete
+      } catch (error) {
+        const code = (error as NodeJS.ErrnoException | null)?.code;
+        if (code !== "ENOENT" && code !== "ENOTDIR") throw error;
       }
     },
   };