Add permission aware search

AgentCompany-New/src/main/database/migrations/013-search-documents.ts

@@ -0,0 +1,13 @@
+export const searchDocumentsSchema = `
+  create virtual table if not exists search_documents using fts5(
+    org_id unindexed,
+    entity_type unindexed,
+    entity_id unindexed,
+    title,
+    body,
+    facet_json unindexed
+  );
+
+  insert into schema_migrations(version, name, applied_at)
+  values (13, 'search_documents', datetime('now'));
+`;