Rebuild: schema for groups, rule sets, ranges, release catalog, chunk store, fragments, probe queue, rule bookkeeping and nodes

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

database/migrations/1770000000200_create_rule_sets.ts

@@ -0,0 +1,21 @@
+import { BaseSchema } from '@adonisjs/lucid/schema'
+
+/**
+ * Versions of what workers drop (REBUILD.md, rules and recovery): dropped
+ * signatures and tools, the per-article limit, the sample share. Every range
+ * records the version it ran with.
+ */
+export default class extends BaseSchema {
+  async up() {
+    this.schema.createTable('rule_sets', (table) => {
+      table.integer('version').primary()
+      table.jsonb('rules').notNullable()
+      table.text('note').nullable()
+      table.timestamp('created_at', { useTz: true }).notNullable().defaultTo(this.now())
+    })
+  }
+
+  async down() {
+    this.schema.dropTable('rule_sets')
+  }
+}