feat(ee): audit logs (#1977)

feat: clickhouse driver
* sync
* updates

apps/server/src/database/migrations/20260228T223532-audit.ts

@@ -0,0 +1,60 @@
+import { Kysely, sql } from 'kysely';
+
+export async function up(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .createTable('audit')
+    .ifNotExists()
+    .addColumn('id', 'uuid', (col) =>
+      col.primaryKey().defaultTo(sql`gen_uuid_v7()`),
+    )
+    .addColumn('workspace_id', 'uuid', (col) =>
+      col.notNull().references('workspaces.id').onDelete('cascade'),
+    )
+    .addColumn('actor_id', 'uuid')
+    .addColumn('actor_type', 'varchar', (col) =>
+      col.notNull().defaultTo('user'),
+    )
+    .addColumn('event', 'varchar', (col) => col.notNull())
+    .addColumn('resource_type', 'varchar', (col) => col.notNull())
+    .addColumn('resource_id', 'uuid')
+    .addColumn('space_id', 'uuid')
+    .addColumn('changes', 'jsonb')
+    .addColumn('metadata', 'jsonb')
+    .addColumn('ip_address', sql`inet`)
+    .addColumn('created_at', 'timestamptz', (col) =>
+      col.notNull().defaultTo(sql`now()`),
+    )
+    .execute();
+
+  await db.schema
+    .createIndex('idx_audit_workspace_id')
+    .ifNotExists()
+    .on('audit')
+    .columns(['workspace_id', 'id desc'])
+    .execute();
+
+  // add new workspace columns
+  await db.schema
+    .alterTable('workspaces')
+    .addColumn('audit_retention_days', 'int8', (col) => col)
+    .execute();
+
+  await db.schema
+    .alterTable('workspaces')
+    .addColumn('trash_retention_days', 'int8', (col) => col)
+    .execute();
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .alterTable('workspaces')
+    .dropColumn('audit_retention_days')
+    .execute();
+
+  await db.schema
+    .alterTable('workspaces')
+    .dropColumn('trash_retention_days')
+    .execute();
+
+  await db.schema.dropTable('audit').execute();
+}