diff --git a/justfile b/justfile
index b3b1d1c..7d4eebe 100644
--- a/justfile
+++ b/justfile
@@ -14,7 +14,7 @@ setup:
 # One-shot build of all frontend assets (run before `dev` if sources changed)
 [group('dev')]
 dev-build:
-    @node scripts/build.mjs
+    @node scripts/build.mjs --quiet
 
 # Watch CSS/JS sources and rebuild on change.
 # Run in a separate terminal alongside `just dev`.
@@ -24,7 +24,7 @@ dev-watch:
         "app/public/assets/css/**/*.css" \
         "app/public/assets/js/app/**/*.js" \
         --initial \
-        -c "node scripts/build.mjs"
+        -c "node scripts/build.mjs --quiet"
 
 [group('dev')]
 dev: dev-build migrate
@@ -33,7 +33,7 @@ dev: dev-build migrate
     @npx chokidar \
         "app/public/assets/css/**/*.css" \
         "app/public/assets/js/app/**/*.js" \
-        -c "node scripts/build.mjs" &
+        -c "node scripts/build.mjs --quiet" &
     @sleep 0.5
     @php \
         -d upload_max_filesize=8192M \
diff --git a/scripts/build.mjs b/scripts/build.mjs
index dce54dc..11b9509 100644
--- a/scripts/build.mjs
+++ b/scripts/build.mjs
@@ -6,6 +6,7 @@
  *   node scripts/build.mjs          # build everything
  *   node scripts/build.mjs --css    # CSS only
  *   node scripts/build.mjs --js     # JS only
+ *   node scripts/build.mjs --quiet  # suppress per-file output, summary only
  *
  * Requires: npm install (lightningcss-cli, rolldown)
  */
@@ -21,14 +22,16 @@ const root = resolve(__dirname, "..");
 const args = process.argv.slice(2);
 const onlyCss = args.includes("--css");
 const onlyJs = args.includes("--js");
+const quiet = args.includes("--quiet");
 const buildAll = !onlyCss && !onlyJs;
 
 function run(label, cmd) {
-  console.log(`\n📦 ${label}…`);
-  execSync(cmd, {
-    cwd: root,
-    stdio: "inherit",
-  });
+  if (quiet) {
+    execSync(cmd, { cwd: root, stdio: "pipe" });
+  } else {
+    console.log(`\n📦 ${label}…`);
+    execSync(cmd, { cwd: root, stdio: "inherit" });
+  }
 }
 
 // Ensure node_modules exist
@@ -49,4 +52,8 @@ if (buildAll || onlyJs) {
   run("Building JS bundles", "node scripts/build-js.mjs");
 }
 
-console.log("\n✅ Build complete\n");
+if (quiet) {
+  console.log("✅ CSS/JS rebuilt");
+} else {
+  console.log("\n✅ Build complete\n");
+}