chore(8.0): final pre-RC1 sweep — API consistency, named errors, orphans, zero-cast codebase

src/index.ts

@@ -1,15 +1,16 @@
 /**
- * Brainy 3.0 - Your AI-Powered Second Brain
+ * Brainy 8.0 - Your AI-Powered Second Brain
  * 🧠⚛️ A multi-dimensional database with vector, graph, and relational storage
- * 
+ *
  * Core Components:
  * - Brainy: The unified database with Triple Intelligence
  * - Triple Intelligence: Seamless fusion of vector + graph + field search
+ * - Db: Immutable, generation-pinned database values (now/transact/asOf/with)
  * - Plugins: Extensible plugin system (cortex, storage adapters)
  * - Neural API: AI-powered clustering and analysis
  */
 
-// Export main Brainy class - the modern, clean API for Brainy 3.0
+// Export main Brainy class
 import { Brainy } from './brainy.js'
 
 export { Brainy }
@@ -28,6 +29,14 @@ export type {
   RelateParams,
   UpdateRelationParams,
   FindParams,
+  SimilarParams,
+  GetOptions,
+  RelatedParams,
+  AddManyParams,
+  UpdateManyParams,
+  RemoveManyParams,
+  RelateManyParams,
+  BatchResult,
   SubtypeRegistry,
   FillSubtypeRule,
   FillSubtypeRules,
@@ -152,6 +161,10 @@ export type { Migration, MigrationState, MigrationPreview, MigrationResult, Migr
 // Export optimistic-concurrency types (7.31.0)
 export { RevisionConflictError } from './transaction/RevisionConflictError.js'
 
+// Named not-found errors — thrown by update/relate/updateRelation/similar/
+// transact/with() when a referenced entity or relation does not exist.
+export { EntityNotFoundError, RelationNotFoundError } from './errors/notFound.js'
+
 // ============= 8.0 Db API — generational MVCC =============
 // Immutable database values: brain.now() / brain.transact() / brain.asOf() /
 // db.with() / db.persist() / Brainy.load(). See src/db/ for the record layer.