fix(agent): immediately transfer accidents involving three or more vehicles

evals/README.md

@@ -11,6 +11,12 @@ The original case comments retain their historical workflow versions.
 
 Add YAML files anywhere under `evals/cases/`:
 
+- `complex_vehicle/`: three-car collisions must immediately return `0003`
+  with the approved handoff wording in both client modes. Assert the first
+  explicit three-car turn transfers, extracts count/cause, leaves unknown
+  injury/time/scene fields absent, and asks no further collection or photo questions.
+  Semantic probes additionally cover four cars, a known count in an otherwise
+  empty form, new corrections, uncertain counts, unrelated vehicles, and lower bounds.
 - `customer_feedback/`: replay repeated connection checks and the customer's
   complete single-car collision description in both client modes. A clearly
   described motor vehicle hitting a fixed object, without other vehicle