verbose live UI + tool-level SSE events + Groq default + regression tests

ctrl/docker-compose.yml

@@ -32,6 +32,11 @@ services:
     environment: *common-env
     ports:
       - "8000:8000"
+    volumes:
+      # Bind-mount data dirs so `make seed-fetch` downloads on the host land
+      # in the container without rebuilding the image.
+      - ./seed/data:/app/seed/data
+      - ../api/evals/data:/app/api/evals/data
     depends_on:
       postgres:
         condition: service_healthy