T07: Cargo workspace scaffold — cb-kernel/cb-events/cb-game-runtime/games-ground/cb-sim, HashMap deny-lint, scenario format + runner stub, Criterion skeleton, Makefile, CI

scenarios/ground/smoke-setup.yaml

@@ -0,0 +1,17 @@
+scenario: ground/smoke-setup
+description: >
+  Smoke scenario for the T07 scaffold: exercises the documented file format
+  end to end. Assertions are the GR-S setup facts; execution lands in T08.
+covers: [GR-S02, GR-S03, GR-O01]
+provisional: false
+seed: 42
+setup:
+  players: 3
+  preset: standard-3p
+commands: []
+expect:
+  state:
+    "round": 1
+    "players.0.stress": 2
+    "players.0.freedom_ready": true
+  rejects: []