fix(agent): address provider review feedback

Assisted-by: Codex

claude_bottle/backend/docker/capability_apply.py

@@ -128,11 +128,11 @@ def apply_capability_change(slug: str, new_dockerfile: str) -> tuple[str, str]:
 
 
 def _repo_dockerfile_path() -> Path:
-    """Path to the repo's Dockerfile (one dir above this module's
+    """Path to the repo's Claude Dockerfile (one dir above this module's
     package root). Resolved at call time so the path is correct
     regardless of where this module is imported from."""
     # claude_bottle/backend/docker/capability_apply.py -> repo root
-    return Path(__file__).resolve().parent.parent.parent.parent / "Dockerfile"
+    return Path(__file__).resolve().parent.parent.parent.parent / "Dockerfile.claude"
 
 
 def snapshot_transcript(slug: str) -> None: