test(api): 固化 Rust-Go RPC 契约

internal/api/testdata/contract/official-sync-snapshot.json

@@ -0,0 +1,26 @@
+{
+  "addressables_root": "https://prod-clientpatch.bluearchiveyostar.com/{addressables-root}",
+  "app_version": "${APP_VERSION}",
+  "bundle_version": "${BUNDLE_VERSION}",
+  "connection_group_name": "${CONNECTION_GROUP}",
+  "endpoint_markers": [],
+  "endpoints": [],
+  "game_main_config_bootstrap": {
+    "default_connection_group": "${CONNECTION_GROUP}",
+    "server_info_data_url": "https://yostar-serverinfo.bluearchiveyostar.com/{server-info-path}"
+  },
+  "launcher_metadata": {
+    "game_latest_file_path": "${GAME_PACKAGE_PATH}",
+    "game_latest_version": "${APP_VERSION}",
+    "game_lowest_version": null,
+    "game_start_exe_name": "${GAME_START_EXE_NAME}",
+    "game_start_params": [
+      "${GAME_START_PARAM}"
+    ],
+    "launcher_version": "${LAUNCHER_VERSION}",
+    "manifest_file_count": 2,
+    "manifest_source": "${LAUNCHER_MANIFEST_SOURCE}",
+    "manifest_url": "https://launcher-pkg-ba-jp.yo-star.com/{launcher-manifest-path}"
+  },
+  "snapshot_version": 2
+}