Improved Listing Management (#317)

* adding ability to tag listings eg if you have applied to it / adding ability to add notes to a listing

* storing the date when a status was set

lib/services/storage/migrations/sql/18.add-listing-status.js

@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2026 by Christian Kellner.
+ * Licensed under Apache-2.0 with Commons Clause and Attribution/Naming Clause
+ */
+
+export function up(db) {
+  db.exec(`
+    ALTER TABLE listings ADD COLUMN status JSON;
+    CREATE INDEX IF NOT EXISTS idx_listings_status ON listings (json_extract(status, '$.status'));
+  `);
+}

lib/services/storage/migrations/sql/19.add-listing-notes.js

@@ -0,0 +1,10 @@
+/*
+ * Copyright (c) 2026 by Christian Kellner.
+ * Licensed under Apache-2.0 with Commons Clause and Attribution/Naming Clause
+ */
+
+export function up(db) {
+  db.exec(`
+    ALTER TABLE listings ADD COLUMN notes TEXT;
+  `);
+}