Gate combat extraction on scene descriptions

internal/modules/integration/testdata/combat_scene_descriptions.json

@@ -0,0 +1,37 @@
+{
+  "scenes": [
+    {
+      "id": "chunk-000001",
+      "source_ref": {
+        "source_id": "npc-session",
+        "start_unit_id": 1,
+        "end_unit_id": 2
+      },
+      "kind": "combat",
+      "title": "First combat exchange",
+      "summary": "The first accepted chunk contains active combat."
+    },
+    {
+      "id": "chunk-000002",
+      "source_ref": {
+        "source_id": "npc-session",
+        "start_unit_id": 3,
+        "end_unit_id": 4
+      },
+      "kind": "combat",
+      "title": "Second combat exchange",
+      "summary": "The second accepted chunk contains active combat."
+    },
+    {
+      "id": "chunk-000003",
+      "source_ref": {
+        "source_id": "npc-session",
+        "start_unit_id": 5,
+        "end_unit_id": 5
+      },
+      "kind": "combat",
+      "title": "Final combat exchange",
+      "summary": "The final accepted chunk contains active combat."
+    }
+  ]
+}