Debug a RAG trace: the assistant cited a superseded policy

An HR policy assistant at a GCC in Bengaluru gave this answer, and the employee's manager raised it with HR. The current India leave policy (v4, effective 1 April 2026) gives 15 working days of paternity leave. Here is the trace for the request.

[1] user        How many days of paternity leave do I get? I'm in Bengaluru, grade L4.
                (user profile: country=IN, grade=L4)

[2] rewrite     query = "paternity leave entitlement India grade L4"

[3] retrieve    index=hr-policies, top_k=6
                filters = {"country": "IN"}
    results
      #1 score 0.891  IN-Leave-Policy-v3.pdf §4.2  status=superseded
                      effective_from=2023-04-01  effective_to=2026-03-31
                      "Male employees are eligible for 5 working days of paternity leave..."
      #2 score 0.874  IN-Leave-Policy-v4.pdf §4.2  status=current
                      effective_from=2026-04-01  effective_to=null
                      "Employees are eligible for 15 working days of paternity leave,
                       to be availed within 6 months of the child's birth or adoption..."
      #3 score 0.802  IN-Leave-FAQ-2024.pdf  status=superseded ...
      #4 score 0.711  IN-Holiday-Calendar-2026.pdf  status=current ...

[4] rerank      keep top 2 -> [#1, #2]

[5] generate    model answer:
                "You are eligible for 5 working days of paternity leave
                 (IN-Leave-Policy-v3, section 4.2)."

The generation prompt says: "Answer the question using the context. Cite the source."