feat(map): adopt DC Default scene

src/k1link/web/map_api.py

@@ -13,6 +13,7 @@ from fastapi import APIRouter, HTTPException, Path, Query, Request
 from fastapi.responses import JSONResponse, Response, StreamingResponse
 
 MAP_GATEWAY_URL_ENV: Final = "MISSIONCORE_MAP_GATEWAY_INTERNAL_URL"
+MAP_SANDBOX_HIDE_CREDITS_ENV: Final = "MISSIONCORE_MAP_SANDBOX_HIDE_CREDITS"
 MAP_SCHEMA_VERSION: Final = "missioncore.map-gateway/v1"
 MAP_RUNTIME_SCHEMA_VERSION: Final = "missioncore.map-runtime/v1"
 MAP_PAGE_VERSION: Final = "0.1.0"
@@ -149,6 +150,11 @@ class MapGatewayProxy:
                     "terrain": 1,
                     "buildings": 96188,
                 },
+                "sandbox": {
+                    "hide_credit_overlay": _environment_flag(
+                        MAP_SANDBOX_HIDE_CREDITS_ENV
+                    )
+                },
             },
             headers={"Cache-Control": "no-store"},
         )
@@ -309,6 +315,15 @@ def _validate_internal_url(raw_url: str) -> str:
     return raw_url.rstrip("/")
 
 
+def _environment_flag(name: str) -> bool:
+    return os.environ.get(name, "").strip().lower() in {
+        "1",
+        "true",
+        "yes",
+        "on",
+    }
+
+
 def _validate_cache_target(target_url: str) -> None:
     if len(target_url) > MAX_CACHE_TARGET_LENGTH:
         raise HTTPException(status_code=422, detail="Map resource URL is too long.")