Fluxer PostgreSQL→Cassandra migration tool

Type-aware migration from Fluxer's PostgreSQL fluxer_kv backend to the
native Apache Cassandra schema, plus scylla-feature image builds and a
full cutover runbook.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

package.json

@@ -0,0 +1,15 @@
+{
+  "name": "fluxer-pg-to-cassandra",
+  "version": "1.0.0",
+  "description": "Migrate a self-hosted Fluxer instance from the PostgreSQL KV backend to the native Apache Cassandra schema.",
+  "type": "module",
+  "license": "AGPL-3.0-or-later",
+  "scripts": {
+    "dry-run": "node migrate.mjs --dry-run",
+    "migrate": "node migrate.mjs"
+  },
+  "dependencies": {
+    "cassandra-driver": "^4.7.2",
+    "pg": "^8.13.3"
+  }
+}