add tests, implement kstate and state diffing

test/test.js

@@ -0,0 +1,15 @@
+// @ts-check
+
+const sqlite = require("better-sqlite3")
+const HeatSync = require("heatsync")
+
+const config = require("../config")
+const passthrough = require("../passthrough")
+const db = new sqlite("db/ooye.db")
+
+// @ts-ignore
+const sync = new HeatSync({persistent: false})
+
+Object.assign(passthrough, { config, sync, db })
+
+require("../d2m/actions/create-room")