mozart: session fa7f65e3 changes

Author: Mozart Agent

README.md

@@ -66,7 +66,7 @@ flowchart LR
   default, with a pluggable model-gateway seam (direct / LiteLLM / Bifrost).
 - **Durable run history.** Every terminal session transition flushes an attributed run record
   (tenant, api key, cost, ordered events) to Postgres, non-blocking.
-- **1,424 tests across 128 files**, run inside a real Cloudflare Workers isolate (miniflare) backed by
+- **1,424 tests across 146 files**, run inside a real Cloudflare Workers isolate (miniflare) backed by
   an isolated Postgres database — not mocks.
 
 ## Tech stack