diff --git a/package.json b/package.json
index 4d43bf6..0713222 100644
--- a/package.json
+++ b/package.json
@@ -12,8 +12,8 @@
     "build": "vite build",
     "preview": "vite preview",
     "preview:https": "VITE_HTTPS=1 vite preview",
-    "lint": "eslint .",
-    "rig:reference": "node test/collect.mjs && node test/capture.mjs --out=test/screenshots/reference",
+    "rig:collect": "node test/collect.mjs",
+    "rig:reference": "node test/capture.mjs --out=test/screenshots/reference",
     "rig:compare": "node test/capture.mjs --out=test/screenshots/current && node test/compare.mjs --tolerance=0.001"
   },
   "dependencies": {
diff --git a/test/collect.mjs b/test/collect.mjs
index 0bdb414..bf958c8 100644
--- a/test/collect.mjs
+++ b/test/collect.mjs
@@ -2,7 +2,8 @@
  * Collects a deterministic fixture snapshot from the live testing backend.
  *
  * Usage:
- *   npm run rig:reference (runs collect first, then captures)
+ *   npm run rig:collect (collects snapshot fixtures from live backend)
+ *   npm run rig:reference (captures reference screenshots)
  *
  * Reads ../dashback/.env for GOOGLE_CLIENT_ID (stored as googleClientId in the
  * snapshot) and mints a JWT for user id 1 with the backend's own env + signing
@@ -235,9 +236,14 @@ async function main() {
 
   let imageBytes = 0;
   for (const hash of hashes) {
+    const dest = path.join(IMAGE_DIR, `${hash}.avif`);
+    if (fs.existsSync(dest) && fs.statSync(dest).size > 0) {
+      snapshot.images[hash] = `${hash}.avif`;
+      continue;
+    }
     try {
       const buf = await get(token, `/api/thumb/${hash}`, { binary: true });
-      fs.writeFileSync(path.join(IMAGE_DIR, `${hash}.avif`), buf);
+      fs.writeFileSync(dest, buf);
       snapshot.images[hash] = `${hash}.avif`;
       imageBytes += buf.length;
     } catch (err) {