feat: move report artifacts to OSS storage

arr_web/processing_runtime.py

@@ -29,11 +29,18 @@ class ProcessingInputRuntime:
         self.oss_client.close()
 
 
-def compose_programmatic_processing(
-    *,
-    project_root: Path,
-    connect: Optional[Callable[[str], Any]] = None,
-) -> ProcessingInputRuntime:
+@dataclass
+class ObjectStoreRuntime:
+    """Shared OSS/object-store runtime for report publishers and downloads."""
+
+    oss_client: AliyunOssV2Client
+    object_store: ManagedObjectStore
+
+    def close(self) -> None:
+        self.oss_client.close()
+
+
+def compose_object_store() -> ObjectStoreRuntime:
     oss_client = AliyunOssV2Client(AliyunOssConfig.from_environment())
     try:
         oss_client.assert_immutable_writes_supported()
@@ -41,6 +48,24 @@ def compose_programmatic_processing(
             CloudObjectBackend(oss_client),
             ObjectKeyPolicy(os.environ.get("ARR_OBJECT_PREFIX", "arr")),
         )
+        return ObjectStoreRuntime(oss_client, object_store)
+    except Exception:
+        try:
+            oss_client.close()
+        except Exception:
+            pass
+        raise
+
+
+def compose_programmatic_processing(
+    *,
+    project_root: Path,
+    connect: Optional[Callable[[str], Any]] = None,
+) -> ProcessingInputRuntime:
+    storage = compose_object_store()
+    try:
+        oss_client = storage.oss_client
+        object_store = storage.object_store
         database_config = (
             DatabaseConfig("controlled")
             if connect is not None
@@ -64,10 +89,7 @@ def compose_programmatic_processing(
         )
         return ProcessingInputRuntime(coordinator, oss_client, object_store)
     except Exception:
-        try:
-            oss_client.close()
-        except Exception:
-            pass
+        storage.close()
         raise