Fix typing and minor issues

great_ai/deploy/routes/bootstrap_meta_endpoints.py

@@ -0,0 +1,26 @@
+from typing import Any
+
+from fastapi import APIRouter, FastAPI, status
+
+from ...views import ApiMetadata, CacheStatistics, HealthCheckResponse
+
+
+def bootstrap_meta_endpoints(app: FastAPI, func: Any, metadata: ApiMetadata) -> None:
+    router = APIRouter(
+        tags=["meta"],
+    )
+
+    @router.get("/health", status_code=status.HTTP_200_OK)
+    def check_health() -> HealthCheckResponse:
+        hits, misses, maxsize, cache_size = func.cache_info()
+        cache_statistics = CacheStatistics(
+            hits=hits, misses=misses, size=cache_size, max_size=maxsize
+        )
+
+        return HealthCheckResponse(is_healthy=True, cache_statistics=cache_statistics)
+
+    @router.get("/version", response_model=ApiMetadata, status_code=status.HTTP_200_OK)
+    def get_version() -> ApiMetadata:
+        return metadata
+
+    app.include_router(router)