implemented a lot of features

database/migrations/1768620764870_strict_par2_matching.ts

@@ -0,0 +1,28 @@
+import { BaseSchema } from '@adonisjs/lucid/schema'
+
+/**
+ * par2 set id per listed file (traceability; see LOG.md 2026-09-28 for the
+ * cross-post merges it helps diagnose), and a stricter "random name" rule:
+ * long letter-only tokens with many capitals count as random too
+ * (e.g. RmISakytFwXSCEzjVEpaKk).
+ */
+export default class extends BaseSchema {
+  async up() {
+    this.schema.alterTable('release_files', (table) => {
+      table.string('set_id', 32)
+    })
+    this.defer(async (db) => {
+      await db.rawQuery(`
+        CREATE OR REPLACE FUNCTION is_readable_name(name text) RETURNS boolean IMMUTABLE LANGUAGE sql AS $$
+          SELECT name IS NOT NULL AND NOT (
+            (name_stem(name) ~ '^[A-Za-z0-9]{16,}$' AND name_stem(name) ~ '[a-z]' AND name_stem(name) ~ '[A-Z]'
+              AND (name_stem(name) ~ '\\d' OR length(regexp_replace(name_stem(name), '[^A-Z]', '', 'g')) >= 6))
+            OR name_stem(name) ~* '^[0-9a-f]{16,}$')
+        $$`)
+    })
+  }
+
+  async down() {
+    this.schema.alterTable('release_files', (table) => table.dropColumn('set_id'))
+  }
+}