create AWS infra

src/infra/state.py

@@ -0,0 +1,22 @@
+import json
+from pathlib import Path
+from typing import Any
+
+INFRA_STATE_FILE = ".qai-cli-infra.json"
+
+
+def state_path(config_dir: str) -> Path:
+    return Path(config_dir) / INFRA_STATE_FILE
+
+
+def read_infra_state(config_dir: str) -> dict[str, Any]:
+    path = state_path(config_dir)
+    if not path.exists():
+        return {}
+    with open(path) as f:
+        return json.load(f)
+
+
+def write_infra_state(config_dir: str, state: dict[str, Any]) -> None:
+    with open(state_path(config_dir), "w") as f:
+        json.dump(state, f, indent=2)