diff --git a/.kiro/hooks/migration-registration-check.kiro.hook b/.kiro/hooks/migration-registration-check.kiro.hook
new file mode 100644
index 0000000..6f3afef
--- /dev/null
+++ b/.kiro/hooks/migration-registration-check.kiro.hook
@@ -0,0 +1,14 @@
+{
+  "enabled": true,
+  "name": "Migration Registration Check",
+  "description": "After any write to backend/migrations/, verify the file is registered in POSTGRES_MIGRATIONS array in run-all.js. Blocks until confirmed.",
+  "version": "2",
+  "when": {
+    "type": "postToolUse",
+    "toolTypes": ["write"]
+  },
+  "then": {
+    "type": "askAgent",
+    "prompt": "STOP. If the tool just wrote or created a file matching backend/migrations/*.js (but NOT run-all.js itself), you MUST immediately:\n1. Read backend/migrations/run-all.js\n2. Check if the migration filename exists in the POSTGRES_MIGRATIONS array\n3. If NOT present, add it to the end of the array RIGHT NOW before doing anything else\n4. Do NOT proceed with other work until this is done\n\nThis is a hard requirement — migrations not in run-all.js will not run in CI/CD and will break production deploys. If the written file is not a migration file, ignore this message."
+  }
+}