Add headless runtime tooling and Campaign.win analysis

fixtures/runtime/minimal-world-step-from-snapshot.json

@@ -0,0 +1,31 @@
+{
+  "format_version": 1,
+  "fixture_id": "minimal-world-step-from-snapshot",
+  "source": {
+    "kind": "captured-runtime",
+    "description": "Fixture backed by a normalized runtime snapshot rather than inline state."
+  },
+  "state_snapshot_path": "minimal-world-step-smoke-final-state.json",
+  "commands": [
+    {
+      "kind": "step_count",
+      "steps": 1
+    }
+  ],
+  "expected_summary": {
+    "calendar": {
+      "year": 1830,
+      "month_slot": 0,
+      "phase_slot": 0,
+      "tick_slot": 6
+    },
+    "world_flag_count": 1,
+    "company_count": 1,
+    "event_runtime_record_count": 0,
+    "total_event_record_service_count": 0,
+    "periodic_boundary_call_count": 0,
+    "total_trigger_dispatch_count": 0,
+    "dirty_rerun_count": 0,
+    "total_company_cash": 250000
+  }
+}