[Bug]: Unexpected namespace index_d_exports in generated output #6158
Description
Reproduction link or steps
Hi, latest versions outputs unexpected code, including unusual namespaces.
More details can be found in the repro readme.
What is expected?
Outputs correct code.
What is actually happening?
Outputs wrong code with namespaces.
System Info
mac, node v24.4.1Any additional comments?
No response