WIP autoscaler agent

agent/nix_builder_autoscaler/bootstrap/userdata.py

@@ -0,0 +1,11 @@
+"""EC2 user-data template rendering — stub for Plan 02."""
+
+from __future__ import annotations
+
+
+def render_userdata(slot_id: str, region: str, ssm_param: str = "/nix-builder/ts-authkey") -> str:
+    """Render a bash user-data script for builder instance bootstrap.
+
+    Full implementation in Plan 02.
+    """
+    raise NotImplementedError