test: dossier edit+rerun smoke (M3, skip-if-absent) — v1.4.0

Rebased over the auth-retry fix (v1.3.0); version renumbered 1.3.0→1.4.0 in the
rebase. 25 tests total (delta +1); spec skips loudly when the v0.20.0 surface
is absent so it can merge ahead of the plugin deploy.

Agent-Session: engineer-prab-m3-20260612

package.json

@@ -1,6 +1,6 @@
 {
   "name": "peptide-e2e",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "Playwright smoke tests for peptiderepo.com (staging + production)",
   "private": true,
   "scripts": {
@@ -11,7 +11,10 @@
     "report": "playwright show-report"
   },
   "devDependencies": {
-    "@playwright/test": "^1.43.0",
+    "@playwright/test": "^1.60.0",
     "dotenv": "^16.4.5"
+  },
+  "dependencies": {
+    "typescript": "^6.0.3"
   }
 }