refactor(manifest): restructure backend integrity manifest to include metadata and adjust file verification logic

electron/main.js

@@ -108,9 +108,12 @@ function verifyBackendIntegrity(exeDir) {
         const manifest = JSON.parse(fs.readFileSync(manifestPath, "utf8"));
         const issues = [];
 
+        const filesToVerify = manifest.files || manifest;
+        const metadata = manifest._metadata || {};
+
         // The exeDir is build/exe when running or unpacked
         // we only care about files in the manifest
-        for (const [relPath, expectedHash] of Object.entries(manifest)) {
+        for (const [relPath, expectedHash] of Object.entries(filesToVerify)) {
             const fullPath = path.join(exeDir, relPath);
             if (!fs.existsSync(fullPath)) {
                 issues.push(`Missing: ${relPath}`);
@@ -124,6 +127,10 @@ function verifyBackendIntegrity(exeDir) {
             }
         }
 
+        if (issues.length > 0 && metadata.date && metadata.time) {
+            issues.unshift(`Backend build timestamp: ${metadata.date} ${metadata.time}`);
+        }
+
         return {
             ok: issues.length === 0,
             issues: issues,

scripts/build-backend.js

@@ -21,17 +21,24 @@ function getFiles(dir, fileList = []) {
 function generateManifest(buildDir, manifestPath) {
     console.log("Generating backend integrity manifest...");
     const files = getFiles(buildDir);
-    const manifest = {};
+    const manifest = {
+        _metadata: {
+            version: 1,
+            date: new Date().toISOString().split("T")[0],
+            time: new Date().toISOString().split("T")[1].split(".")[0],
+        },
+        files: {},
+    };
 
     for (const file of files) {
         const relativePath = path.relative(buildDir, file);
         const fileBuffer = fs.readFileSync(file);
         const hash = crypto.createHash("sha256").update(fileBuffer).digest("hex");
-        manifest[relativePath] = hash;
+        manifest.files[relativePath] = hash;
     }
 
     fs.writeFileSync(manifestPath, JSON.stringify(manifest, null, 2));
-    console.log(`Manifest saved to ${manifestPath} (${Object.keys(manifest).length} files)`);
+    console.log(`Manifest saved to ${manifestPath} (${Object.keys(manifest.files).length} files)`);
 }
 
 try {